# GrowthBook

GrowthBook declares [7 subprocessors](https://thirdpartyindex.com/vendors/growthbook#subprocessors) in [its subprocessor list](https://www.growthbook.io/legal/subprocessors), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/209829)). They include [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services), [OpenAI](https://thirdpartyindex.com/vendors/openai) and [Anthropic](https://thirdpartyindex.com/vendors/anthropic). No published changes since we first read it on 2026-10-31. [5 tracked vendors](https://thirdpartyindex.com/vendors/growthbook#used-by) name GrowthBook as a subprocessor, including [xAI](https://thirdpartyindex.com/vendors/spacexai), [Kudoboard](https://thirdpartyindex.com/vendors/kudoboard) and [Civic Roundtable](https://thirdpartyindex.com/vendors/civic-roundtable).

GrowthBook (growthbook.io): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/growthbook
- Documents last verified: 2026-11-11
- Transparency rating: 89/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 8/8; Purposes 7/7; Data processing addendum 12/12; Trust center 8/8; Privacy policy 6/6; security.txt 0/6 (not found); Security page 5/5; Status page 5/5; Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8
- Supply chain: relies on 7 tracked vendors directly, 66 within two hops, 304 within three; 5 tracked vendors rely on it directly, 56 within two hops, 1831 within three
- Cite as: GrowthBook, Third Party Index, https://thirdpartyindex.com/vendors/growthbook (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Trust center | https://trust.growthbook.io/ | 2026-11-11 | 2026-11-11 |
| Subprocessor list | https://www.growthbook.io/legal/subprocessors | 2026-11-11 | 2026-11-04 |
| Data processing addendum | https://www.growthbook.io/legal/dpa | 2026-11-11 | 2026-11-04 |
| Privacy policy | https://www.growthbook.io/legal/privacy-notice | 2026-11-11 | 2026-11-06 |
| Terms | https://www.growthbook.io/legal/website-user-tou | 2026-11-11 | 2026-11-04 |
| Security page | https://www.growthbook.io/platform/security | 2026-11-11 | 2026-11-04 |
| Status page | https://status.growthbook.io/ | 2026-11-11 | 2026-10-31 |

## Subprocessors (7)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| [Amazon Web Services, Inc.](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Cloud hosting provider | United States | 2026-10-31 |
| [Claude (Anthropic)](https://thirdpartyindex.com/vendors/anthropic.md) (AI model provider: Anthropic) | AI services provider | United States | 2026-10-31 |
| [ClickHouse, Inc.](https://thirdpartyindex.com/vendors/clickhouse.md) | Data storage and processing | United States | 2026-10-31 |
| [Fastly, Inc.](https://thirdpartyindex.com/vendors/fastly.md) | CDN | Global | 2026-10-31 |
| [MongoDB, Inc.](https://thirdpartyindex.com/vendors/mongodb.md) | Data storage and processing | United States | 2026-10-31 |
| [OpenAI](https://thirdpartyindex.com/vendors/openai.md) (AI model provider: OpenAI) | AI services provider | United States | 2026-10-31 |
| [SendGrid (Twilio Inc.)](https://thirdpartyindex.com/vendors/sendgrid.md) | Communications technology provider | United States | 2026-10-31 |

Read from ([evidence](https://thirdpartyindex.com/evidence/188839)). CSV: https://thirdpartyindex.com/vendors/growthbook/subprocessors.csv

AI model providers (or a cloud provider's AI model service) among these entries: 2. All vendors that list one: https://thirdpartyindex.com/ai

## Compliance

As its trust center lists them.

- Audited: SOC 2 Type II ([evidence](https://thirdpartyindex.com/evidence/188841))
- Claimed: HIPAA, GDPR, CCPA/CPRA ([evidence](https://thirdpartyindex.com/evidence/188841))

## Web Technologies

GrowthBook's homepage made 215 requests to 35 domains, 16 services controlled by another company, and 2 domains not identified. Loaded on 2026-11-05 by a browser that accepted nothing; other visits may load more or less. What a page loads is not a list of who receives customer data.

16 third parties by category: Analytics 6 (HubSpot, Reo.Dev, LinkedIn, Leadfeeder; usually detected as Analytics: Cloudflare, Plausible Analytics); Advertising 3 (Google Cloud, Sovrn, Reddit, Inc.); CDN 2 (jsDelivr, UNPKG); Cookie compliance 1 (Cookiebot); Development 1 (reviewed: GitHub); Form builders 1 (Default); JavaScript libraries 1 (Webflow); Security 1 (ClickCease™). Each company that appears controlled by another organization is counted once, under the main category of the technologies detected from it on this homepage or, when none was, the category recorded from the company's own page (marked reviewed) or else the one it is usually detected as on other published homepages (marked as such); unclassified: none of these.

### Third parties (16)

- Google Cloud: 55 requests to googletagmanager.com, google.com, doubleclick.net, googlesyndication.com, google-analytics.com; DoubleClick Floodlight, Google Analytics, Google Tag Manager
- Webflow: 55 requests to website-files.com, d3e54v103j8qbb.cloudfront.net; Webflow 1.6.0, jQuery 3.5.1
- jsDelivr: 30 requests to jsdelivr.net; jsDelivr
- HubSpot: 26 requests to hsappstatic.net, hubspot.com, hscollectedforms.net, hs-analytics.net, hs-banner.com, hs-scripts.com, hsadspixel.net, hsforms.com, hubapi.com, usemessages.com; HubSpot, HubSpot Analytics, HubSpot Chat
- Cookiebot: 6 requests to cookiebot.com; Cookiebot 2
- Default: 6 requests to default.com; Default (default.com)
- Sovrn: 6 requests to lijit.com; Sovrn
- Reo.Dev: 5 requests to reo.dev; Reo.Dev
- LinkedIn: 3 requests to linkedin.com, licdn.com; Linkedin Insight Tag
- Reddit, Inc.: 3 requests to reddit.com, redditstatic.com; Reddit Ads
- Cloudflare: 2 requests to cloudflare.com
- Leadfeeder: 2 requests to lfeeder.com; Leadfeeder
- ClickCease™: 1 request to clickcease.com; ClickCease
- GitHub: 1 request to github.com
- Plausible Analytics: 1 request to plausible.io
- UNPKG: 1 request to unpkg.com; Unpkg

### Unknown (2)

Domains not identified yet: sitelytics.tech, usbrowserspeed.com

### First party (1)

- GrowthBook: 9 requests to growthbook.io; Cloudflare, Cloudflare Turnstile, Finsweet, GSAP 3.15.0, GrowthBook 2.0.0, HSTS, HTTP/3, Lenis 1.3.17, LottieFiles, Open Graph, Plausible, Priority Hints, Swiper, Webpack

13 tracked companies loaded by the homepage are not in GrowthBook's subprocessor list. A website can use a service without it processing customer data.

## Subprocessor of (5)

Tracked vendors whose own subprocessor lists name it, and what they say they use it for.

- [Civic Roundtable](https://thirdpartyindex.com/vendors/civic-roundtable.md): Feature delivery; Manages controlled feature rollouts and service configuration
- [Iconik](https://thirdpartyindex.com/vendors/iconik.md): Growthbook is used for
- [Kudoboard](https://thirdpartyindex.com/vendors/kudoboard.md): for in-product A/B testing \[Headquartered at 1950 W Corporate Way 34560, Anaheim, California, 92801\]
- [Tailor AI](https://thirdpartyindex.com/vendors/tailor-ai.md): Product Analytics & Infrastructure
- [xAI](https://thirdpartyindex.com/vendors/spacexai.md): Services and support

## Service status

Incidents it reported on its own status page.

- Last 90 days: 0 reported incidents (0 major or critical, 0 minor, 0 with no impact stated)
- Status page last read: 2026-11-12
- No incidents reported in the last 12 months
- Latest incident reported: 2025-08-21: We are experiencing issues with our auth provider on GrowthBook Cloud (no impact stated)

## Incidents reported by GrowthBook's subprocessors

Incidents reported in the last 30 days on their own status pages by 5 vendors GrowthBook lists as subprocessors. A subprocessor list names a company, not the service an incident touched.

- 2026-11-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Failures from Twilio to GCI United States (minor)
- 2026-11-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from Twilio 10DLC to AT&T United States (minor)
- 2026-11-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from Twilio to Orange Sierra Leone (minor)
- 2026-11-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures From Long Code Numbers to AT&T in the US (minor)
- 2026-11-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to MTS Kazakhstan (minor)
- 2026-11-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Phone Numbers to Tcell Tajikistan (minor)
- 2026-11-11: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Unable to start new Workspace Agent runs (critical)
- 2026-11-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Small Networks in United States (minor)
- 2026-11-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Phone Numbers to K-Cell Kazakhstan (minor)
- 2026-11-11: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Elevated errors affecting logins, sign-ups, and ChatGPT features (minor)
- 2026-11-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures in JP1 (minor)
- 2026-11-11: [ClickHouse](https://thirdpartyindex.com/vendors/clickhouse#status), which GrowthBook lists as a subprocessor, reported Provisioning and scaling operations may take longer in AWS ap-northeast-1 Tokyo (minor)
- 2026-11-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from Twilio to Turkcell Turkey (minor)
- 2026-11-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Retroactive Incident Impacting Twilio Usage APIs (no impact stated)
- 2026-11-10: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which GrowthBook lists as a subprocessor, reported Elevated errors on Fable 52 and Mythos 52 (no impact stated)
- 2026-11-10: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Issue resolved (minor)
- 2026-11-10: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio Phone Numbers to Movistar Venezuela (minor)
- 2026-11-10: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase on Verizon in United States (minor)
- 2026-11-10: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Incorrect cost data in Costs API exports (no impact stated)
- 2026-11-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Elevated Errors On API (minor)
- 2026-11-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported WhatsApp Business API Message Send Failures (minor)
- 2026-11-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Elevated ChatGPT Conversation Errors (minor)
- 2026-11-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Chile (minor)
- 2026-11-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom (minor)
- 2026-11-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Multiple Networks in Italy (minor)
- 2026-11-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Spusu United Kingdom (minor)
- 2026-11-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Bouygues Telecom France (minor)
- 2026-11-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from Network Subscribers in Germany to a Subset of Twilio Long Codes (minor)
- 2026-11-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from Twilio to ETL Laos (minor)
- 2026-11-08: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from Twilio to MTN Nigeria (minor)
- 2026-11-08: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Elevated errors with image generation (minor)
- 2026-11-08: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EnStream in Canada (minor)
- 2026-11-08: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which GrowthBook lists as a subprocessor, reported Degraded performance for Claude Fable 5.1 (minor)
- 2026-11-07: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Globe Philippines (minor)
- 2026-11-07: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Long Codes and Short Codes to Multiple Networks in United States (minor)
- 2026-11-07: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to Multiple Networks in India (minor)
- 2026-11-07: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in New Zealand (minor)
- 2026-11-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Networks in Chile (minor)
- 2026-11-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Elevated error rates with some U.S. business Mastercards (no impact stated)
- 2026-11-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Dominican Republic (minor)
- 2026-11-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported TwiML ConversationRelay Documents Page Error (minor)
- 2026-11-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Chile (minor)
- 2026-11-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Audio Quality Degradation from a Subset of Twilio Mobile Numbers to Claro Colombia (minor)
- 2026-11-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Notification Logs Unavailable in Console (minor)
- 2026-11-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays Between Twilio and T-Mobile in Czech Republic (minor)
- 2026-11-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Silent and One-Way Audio between a Subset of Twilio Phone Numbers and Multiple Networks in Colombia (minor)
- 2026-11-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Puerto Rico (minor)
- 2026-11-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from Twilio Phone Numbers to Lycamobile France (minor)
- 2026-11-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Mobile Numbers to Argentina (minor)
- 2026-11-05: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported ChatGPT Work and Dots Errors (minor)
- 2026-11-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Post Dial Delay from a Subset of Twilio Canada Phone Numbers to Rogers Wireless and Fido Canada (minor)
- 2026-11-04: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Elevated error rates across paid ChatGPT plans (minor)
- 2026-11-04: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Search Delays on Enterprise Knowledge (minor)
- 2026-11-04: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Delayed Email Validation History (minor)
- 2026-11-04: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Brazil (minor)
- 2026-11-04: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to Algar Telecom Brazil (minor)
- 2026-11-04: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Failures from a Subset of Twilio Long Codes to GCI United States (minor)
- 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Small Networks in United States (minor)
- 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Receipt Delays and Delivery Delays from a Subset of Twilio Long Codes and Short Codes to AT&T United States (minor)
- 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Delays and Failures from a Subset of Twilio Short Codes to T-Mobile and Verizon United States (minor)
- 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Brisanet Brazil (minor)
- 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Small Networks United States (minor)
- 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to Entel Bolivia (minor)
- 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to Lycamobile United Kingdom (minor)
- 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Audio Quality Degradation from a Subset of Twilio Phone Numbers to Multiple Networks in United States (minor)
- 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported RateQueue Host Down Did Not Recover (minor)
- 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Media Streams Audio Delays (minor)
- 2026-11-03: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported File upload errors in ChatGPT (minor)
- 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Claro Puerto Rico (minor)
- 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Puerto Rico (minor)
- 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call One-Way Audio from Brazil to a Subset of Twilio Numbers (no impact stated)
- 2026-11-02: [ClickHouse](https://thirdpartyindex.com/vendors/clickhouse#status), which GrowthBook lists as a subprocessor, reported SQL Console database connection outage (minor)
- 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Some Customers May Have Incorrect Balances Reflected on Their Account (minor)
- 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio Alphanumeric Sender Type to T-Mobile Austria (minor)
- 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to T-Mobile and O2 Czech Republic (minor)
- 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on XL Axiata in Indonesia (minor)
- 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Philippines Phone Numbers to Multiple Networks in Philippines (minor)
- 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Google Voice United States (minor)
- 2026-11-01: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from Twilio to KDDI Japan (minor)
- 2026-10-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Elevated errors with search in Dots, ChatGPT Work, and certain ChatGPT thinking experiences (minor)
- 2026-10-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) High Latency on KPN in Netherlands (minor)
- 2026-10-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on Smart in Philippines (minor)
- 2026-10-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Elevated errors for GPT Image 2 API image edits (minor)
- 2026-10-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Automated Alert: Minimal Customer Impact (no impact stated)
- 2026-10-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS and MMS Delivery Delays from Twilio to Altice United States (minor)
- 2026-10-29: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Multiple Networks in Multiple Countries Across Africa and Asia (minor)
- 2026-10-29: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Vivo Brazil (minor)
- 2026-10-29: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase on Verizon in United States (minor)
- 2026-10-29: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Flex Agent Copilot Note Generation Issues (minor)
- 2026-10-29: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to T-Mobile United States (minor)
- 2026-10-29: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Receipt Delays from a Subset of Twilio Short Codes to T-Mobile United States (minor)
- 2026-10-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to Orange Belgium (minor)
- 2026-10-28: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which GrowthBook lists as a subprocessor, reported Elevated errors affecting the Google Calendar connector (minor)
- 2026-10-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom (minor)
- 2026-10-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Possible 503 Errors for Messaging Traffic in the Australia Region (minor)
- 2026-10-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase on Indosat in Indonesia (minor)
- 2026-10-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to MTC Namibia (minor)
- 2026-10-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Twilio Console Errors (no impact stated)
- 2026-10-28: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which GrowthBook lists as a subprocessor, reported Elevated errors affecting the Gmail connector (minor)
- 2026-10-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Elevated 500 Errors Affecting Programmable Voice API (no impact stated)
- 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to Surf Telecom Brazil (minor)
- 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures between a Subset of Twilio Long Codes and Multiple Networks in Portugal (minor)
- 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Phone Numbers to Argentina (minor)
- 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Elevated 500 Errors Affecting Programmable Messaging API (no impact stated)
- 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to C-Spire United States (minor)
- 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Automated Alert: Minimal Customer Impact (no impact stated)
- 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures from Twilio Mobile Numbers to Israel (minor)
- 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase on Three in United Kingdom (minor)
- 2026-10-27: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which GrowthBook lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 (major)
- 2026-10-27: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported 6.1 Sol Degraded Model Performance (minor)
- 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States (minor)
- 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Turkcell Turkey (minor)
- 2026-10-27: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which GrowthBook lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 (major)
- 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures From Twilio Phone Numbers to Germany (minor)
- 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Germany (minor)
- 2026-10-27: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Elevated error rates for most hosted Code Reviews and Security Reviews on private GitHub repositories (no impact stated)
- 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Long Codes to AT&T United States (minor)
- 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures between a Subset of Twilio Long Codes and Multiple Networks in South Africa (minor)
- 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures From a Subset of Twilio Phone Numbers to Multiple Networks in Brazil (minor)
- 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United States (minor)
- 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Docomo Pacific United States (minor)
- 2026-10-26: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Elevated error rates for Ads POST requests (minor)
- 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported WhatsApp Sandbox Sending Configuration Issues (minor)
- 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Mauritel Mauritania (minor)
- 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures from Twilio Phone Numbers to Digi Mobil Romania (minor)
- 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to Cellcom Israel (minor)
- 2026-10-25: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to Telcel Mexico (minor)
- 2026-10-25: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Claro Brazil and Puerto Rico (minor)
- 2026-10-25: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to Telia Sweden (minor)
- 2026-10-25: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to Airtel Nigeria (minor)
- 2026-10-25: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which GrowthBook lists as a subprocessor, reported Elevated errors for Claude Fable 5.1 (major)
- 2026-10-25: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which GrowthBook lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 and other models (major)
- 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Azure Marketplace SendGrid Customers Experiencing Account Management Issues (minor)
- 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) Failure Increase in Netherlands (minor)
- 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to C-Spire United States (minor)
- 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom (minor)
- 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures and Post Dial Delay From a Subset of Twilio Phone Numbers to United States (minor)
- 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to WOM Colombia (minor)
- 2026-10-24: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which GrowthBook lists as a subprocessor, reported Elevated errors for Claude Fable 5 and Claude Fable 5.1 (major)
- 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Costa Rica (minor)
- 2026-10-24: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which GrowthBook lists as a subprocessor, reported Elevated errors for Claude Opus 5.5 (major)
- 2026-10-23: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which GrowthBook lists as a subprocessor, reported Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5 (critical)
- 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Degraded experience with ChatGPT app connections using CIMD (minor)
- 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures from Network Subscribers to Twilio Costa Rica Landline Numbers (minor)
- 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Help Center Chat Support Degraded (no impact stated)
- 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Claro Brazil (minor)
- 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from Twilio to Multiple Networks in South Africa (minor)
- 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telefonica Nicaragua (minor)
- 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Post Dial Delay from Twilio Phone Numbers to Chile (minor)
- 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Appalachian Wireless United States (minor)
- 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Liberty Mobile Puerto Rico (minor)
- 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Multiple Networks in United States and Canada (minor)
- 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Telecall Brazil (minor)
- 2026-10-23: [ClickHouse](https://thirdpartyindex.com/vendors/clickhouse#status), which GrowthBook lists as a subprocessor, reported Degraded support ticket submission and response (minor)
- 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Claro Colombia (minor)
- 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to Surf Telecom Brazil (minor)
- 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Delays in customer support responses (no impact stated)
- 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays between a Subset of Twilio Phone Numbers and Multiple Networks in Brazil (minor)
- 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Viaero United States (minor)
- 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported New Ad Accounts failing to provision admins (minor)
- 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Degraded Performance of Dots on Enterprise (minor)
- 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Issue with 500 Errors on Porting Request Submissions (minor)
- 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Issue with Realtime Transcriptions and Deepgram (no impact stated)
- 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Intelligent Alerts Delivery Issues (minor)
- 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Hosted Number Verification Calls not Reaching Customers (minor)
- 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Malitel Mali (minor)
- 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported RCS Inbound Events Delayed (minor)
- 2026-10-22: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which GrowthBook lists as a subprocessor, reported Elevated errors affecting Connectors (minor)
- 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Elevated ChatGPT conversation and Responses API errors (minor)
- 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Billing Delays (no impact stated)
- 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to MTN Nigeria (minor)
- 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Authentication errors for some users (major)
- 2026-10-21: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which GrowthBook lists as a subprocessor, reported Degraded performance for Claude Fable 5 (minor)
- 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) Failure Increase in Netherlands (minor)
- 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Cellularone NE Arizona United States (minor)
- 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan (minor)
- 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio Short Codes to Multiple Networks in India (minor)
- 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes (minor)
- 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Elevated error rates for gpt-5.6-luna API requests (minor)
- 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Customer's Unable to Create New Requests for Hosting and Porting (minor)
- 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Elevated FedRAMP API error rates for Astra and Sol (minor)
- 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to Orange France (minor)
- 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Post Dial Delay From a Subset of Twilio Phone Numbers to Israel (minor)
- 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Degraded performance in ChatGPT, Codex, and APIs (minor)
- 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from Twilio to T-Mobile Czech Republic (minor)
- 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender IDs to United Arab Emirates (minor)
- 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Telnyx United States (minor)
- 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Issue with Flex Agent Copilot Auto Wrap-up Notes (minor)
- 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telstra Australia (minor)
- 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported WhatsApp Embedded Signup Configuration Failures (minor)
- 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures from Twilio Phone Numbers to Digi.Mobil Romania (minor)
- 2026-10-20: [ClickHouse](https://thirdpartyindex.com/vendors/clickhouse#status), which GrowthBook lists as a subprocessor, reported Google Cloud Outage (minor)
- 2026-10-20: [MongoDB](https://thirdpartyindex.com/vendors/mongodb#status), which GrowthBook lists as a subprocessor, reported GCP Availability Zone europe-west2-b connectivity issues (minor)
- 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase on AT&T in United States (minor)
- 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures from Network Subscribers to a Subset of Twilio Thailand Phone Numbers (minor)
- 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States (minor)
- 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Telus Canada (minor)
- 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported RCS Delivery Receipt Delays for AT&T (minor)
- 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures between a Subset of Twilio Long Codes and Multiple Networks in Italy (minor)
- 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Portugal (minor)
- 2026-10-19: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported File Download errors (minor)
- 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures and Post Dial Delay from a Subset of Twilio Mobile Numbers to Brazil (minor)
- 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures from a Subset of Callers to Twilio Denmark Phone Numbers (minor)
- 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Surf Telecom Brazil (minor)
- 2026-10-18: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor)
- 2026-10-17: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from Twilio Alphanumeric Sender Type to Multiple Networks in Turkey (minor)
- 2026-10-17: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported 5300 Errors on Singapore Client Edge (minor)
- 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported On Call Engineers are Investigating Errors with the Virtual Phone in Legacy Console (no impact stated)
- 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Multiple Networks in Colombia (minor)
- 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Delayed A2P Campaign Approvals (minor)
- 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Multiple Networks in Czech Republic (minor)
- 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Verizon United States (minor)
- 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor)
- 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Post Dial Delay from a Subset of Twilio Phone Numbers to Brazil (minor)
- 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to MTN Nigeria (minor)
- 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Silent and One-Way Audio from Gamma United Kingdom to a Subset of Twilio United Kingdom Phone Numbers (minor)
- 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Post Dial Delay from a Subset of Twilio Toll-Free, Landline, and Mobile Phone Numbers to Multiple Networks in Multiple Countries (minor)
- 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures from Austria to a Subset of Twilio Austria Phone Numbers (minor)
- 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Email suppression issues (no impact stated)
- 2026-10-15: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Widespread feature degradation (major)
- 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor)
- 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from France to a Subset of Twilio Short Codes (minor)
- 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from Network Subscribers to Twilio Colombia Shortcode Numbers (minor)
- 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase in Philippines (minor)
- 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays From a Subset of Twilio Phone Numbers to Surf Telecom Brazil (minor)
- 2026-10-14: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Failures from Twilio Alphanumeric Sender IDs and Long Codes to Evatis Djibouti (minor)
- 2026-10-14: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Mobile Puerto Rico (minor)
- 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Delayed Costs data in the Compliance API (minor)
- 2026-10-14: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio to Altan Redes Mexico (minor)
- 2026-10-14: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures and Post Dial Delay from Twilio Phone Numbers to Israel (minor)
- 2026-10-14: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Automated Alert: No Customer Impact (no impact stated)
- 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Limited availability on gpt-image-2.5-flare and gpt-image-2.5-sunburst (minor)
- 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Degraded performance in Codex and ChatGPT Work (minor)
- 2026-10-14: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures between Twilio and Multiple Networks in Brazil and Italy (minor)
- 2026-10-13: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs to Beeline Kazakhstan (minor)
- 2026-10-13: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Audio Quality Degradation between Twilio Phone Numbers and Multiple Networks in Brazil (minor)
- 2026-10-13: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to VIVACOM Bulgaria (minor)
- 2026-10-13: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported Voice Call Failures between a Subset of Twilio South Africa Phone Numbers and Multiple Networks in South Africa (minor)
- 2026-10-13: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which GrowthBook lists as a subprocessor, reported Degraded performance in GPT-6.1 Sol Codex and Work mode (minor)
- 2026-10-13: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which GrowthBook lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Etisalat and Du United Arab Emirates (minor)

The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/growthbook

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Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api
