# 3CX 3CX declares [18 subprocessors](https://thirdpartyindex.com/vendors/3cx#subprocessors) in [its subprocessor list](https://www.3cx.com/company/data-processing/#subprocessors), which we last checked on 2026-10-25 ([evidence](https://thirdpartyindex.com/evidence/134596)). They include [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services), [Google Cloud](https://thirdpartyindex.com/vendors/google-cloud) and [OpenAI](https://thirdpartyindex.com/vendors/openai). No published changes since we first read it on 2026-10-15. [1 tracked vendor](https://thirdpartyindex.com/vendors/3cx#used-by), [Assent](https://thirdpartyindex.com/vendors/assent), names 3CX as a subprocessor. 3CX (3cx.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index. - Page: https://thirdpartyindex.com/vendors/3cx - Documents last verified: 2026-10-26 - Transparency rating: 82/100 (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 0/8 (not found); Privacy policy 6/6; security.txt 6/6; Security page 5/5; Status page 0/5 (not found); Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8 - Supply chain: relies on 11 tracked vendors directly, 85 within two hops, 346 within three; 1 tracked vendors rely on it directly, 1 within two hops, 1 within three - Cite as: 3CX, Third Party Index, https://thirdpartyindex.com/vendors/3cx (data CC BY 4.0) ## Documents | Document | URL | Last verified | Last changed | |---|---|---|---| | Subprocessor list | https://www.3cx.com/company/data-processing/#subprocessors | 2026-10-25 | 2026-10-21 | | Data processing addendum | https://www.3cx.com/company/data-processing/ | 2026-10-26 | 2026-10-21 | | Privacy policy | https://www.3cx.com/company/privacy/ | 2026-10-26 | 2026-10-22 | | Terms | https://www.3cx.com/company/terms-and-conditions/ | 2026-10-26 | 2026-10-22 | | Security page | https://www.3cx.com/pbx/security/ | 2026-10-26 | 2026-10-20 | | security.txt | https://www.3cx.com/.well-known/security.txt | 2026-10-26 | 2026-10-15 | ## Subprocessors (18) As its own list states them. | Subprocessor | Purpose | Location | Listed since | |---|---|---|---| | [Alibaba](https://thirdpartyindex.com/vendors/alibaba-group.md) | Cloud Hosting for 3CX.CN | CHINA | 2026-10-15 | | [Amazon Web Services (AWS)](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Cloud hosting services | EU / UK / USA | 2026-10-15 | | Apple APNS | Push notifications (iOS) | EU / USA | 2026-10-15 | | [Checkout.com LLC](https://thirdpartyindex.com/vendors/checkout-com.md) | Payment processor | EU / UK / USA | 2026-10-15 | | [Cloudflare, Inc.](https://thirdpartyindex.com/vendors/cloudflare.md) | CDN & security protection | EU / USA; EU / USA / ASIA | 2026-10-15 | | [DigitalOcean LLC](https://thirdpartyindex.com/vendors/digitalocean.md) | Cloud hosting; Cloud hosting services | EU / USA; EU / USA / ASIA | 2026-10-15 | | Freshworks, Inc. – Freshdesk | Ticketing system for support | EU / USA / IN | 2026-10-15 | | [Google Cloud (Alphabet Inc.)](https://thirdpartyindex.com/vendors/google-cloud.md) | Cloud hosting; Cloud hosting & user sync; Cloud hosting services | EU / USA; EU / USA / ASIA | 2026-10-15 | | Google FCM (Firebase Cloud Messaging) | Push notifications and Crash Reporting (Android) | EU / USA | 2026-10-15 | | Google GSuite (Alphabet Inc.) | Email provider | EU / USA | 2026-10-15 | | [Hetzner](https://thirdpartyindex.com/vendors/hetzner-online.md) | Cloud hosting services | EU / USA / SG | 2026-10-15 | | [Microsoft Azure (Microsoft Corp.)](https://thirdpartyindex.com/vendors/microsoft.md) | Cloud hosting services | EU / USA | 2026-10-15 | | [Microsoft Power BI](https://thirdpartyindex.com/vendors/microsoft.md) | Reporting & analytics | EU | 2026-10-15 | | Odoo S.A | CRM | EU | 2026-10-15 | | [OpenAI](https://thirdpartyindex.com/vendors/openai.md) (AI model provider: OpenAI) | Self-service AI support agent | Multiple countries / Global | 2026-10-15 | | PayPal Holdings – Braintree | Payment processor | EU / USA | 2026-10-15 | | [TeamViewer Germany GmbH](https://thirdpartyindex.com/vendors/teamviewer.md) | Remote assistance sessions | EU | 2026-10-15 | | [Twilio Inc. – SendGrid](https://thirdpartyindex.com/vendors/sendgrid.md) | Email delivery services; Email provider | EU / USA | 2026-10-15 | Read from ([evidence](https://thirdpartyindex.com/evidence/104700)). CSV: https://thirdpartyindex.com/vendors/3cx/subprocessors.csv AI model providers (or a cloud provider's AI model service) among these entries: 1. All vendors that list one: https://thirdpartyindex.com/ai ## Web Technologies 3CX's homepage made 139 requests to 13 domains, and 5 services controlled by another company. Loaded on 2026-10-16 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. 5 third parties by category: Advertising 3 (Google Cloud, Capterra Inc., Reddit, Inc.); Analytics 2 (Quora; usually detected as Analytics: G2.com). 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 (5) - Google Cloud: 30 requests to google.com, doubleclick.net, googlesyndication.com, googletagmanager.com, fonts.googleapis.com, google-analytics.com, gstatic.com; DoubleClick Floodlight, Google Analytics, Google Tag Manager (its subprocessor list names it too) - Capterra Inc.: 3 requests to capterra.com; Capterra - G2.com: 3 requests to g2.com - Reddit, Inc.: 3 requests to reddit.com, redditstatic.com; Reddit Ads - Quora: 2 requests to quora.com; Quora Pixel ### First party (1) - 3CX: 98 requests to 3cx.com; Cloudflare, FitVids.JS 1.1, GSAP 3.14.2, HSTS, Infinite Scroll 2.1, Isotope, LazySizes, Lightbox, Masonry, Modernizr 3.12.0, MySQL, Open Graph, PHP, PWA, Packery 2.0.0, Priority Hints, RSS, Swiper, WordPress, Yoast SEO, imagesLoaded 3.1.8, jQuery 3.7.1, jQuery Migrate 3.4.1, parallax.js 1 tracked company loaded by the homepage is not in 3CX's subprocessor list. A website can use a service without it processing customer data. ## Subprocessor of (1) Tracked vendors whose own subprocessor lists name it, and what they say they use it for. - [Assent](https://thirdpartyindex.com/vendors/assent.md): Phone-based customer support. ## Incidents reported by 3CX's subprocessors Incidents reported in the last 30 days on their own status pages by 4 vendors 3CX lists as subprocessors. A subprocessor list names a company, not the service an incident touched. - 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported WhatsApp Sandbox Sending Configuration Issues (minor) - 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX lists as a subprocessor, reported Voice Call Failures from Twilio Phone Numbers to Romania (minor) - 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX 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 3CX 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 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Airtel Nigeria (minor) - 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX lists as a subprocessor, reported MMS Delivery Delays from Twilio to C-Spire United States (minor) - 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to WOM Colombia (minor) - 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Costa Rica (minor) - 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX 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 3CX 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 3CX lists as a subprocessor, reported Help Center Chat Support Degraded (no impact stated) - 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX 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 3CX 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 3CX 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 3CX 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 3CX 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 3CX lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Telecall Brazil (minor) - 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX lists as a subprocessor, reported Delays in customer support responses (no impact stated) - 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX lists as a subprocessor, reported New Ad Accounts failing to provision admins (minor) - 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Degraded Performance of Dots on Enterprise (minor) - 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX lists as a subprocessor, reported Intelligent Alerts Delivery Issues (minor) - 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Hosted Number Verification Calls not Reaching Customers (minor) - 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX lists as a subprocessor, reported RCS Inbound Events Delayed (minor) - 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Elevated ChatGPT conversation and Responses API errors (minor) - 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Billing Delays (no impact stated) - 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX lists as a subprocessor, reported Authentication errors for some users (major) - 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) Failure Increase in Netherlands (minor) - 2026-10-21: [TeamViewer](https://thirdpartyindex.com/vendors/teamviewer#status), which 3CX lists as a subprocessor, reported DEX Platform Intelligence, Insights not generating (major) - 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX 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 3CX 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 3CX 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 3CX 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 3CX lists as a subprocessor, reported Elevated FedRAMP API error rates for Astra and Sol (minor) - 2026-10-21: [TeamViewer](https://thirdpartyindex.com/vendors/teamviewer#status), which 3CX lists as a subprocessor, reported WebAPI incident (major) - 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX lists as a subprocessor, reported Degraded performance in ChatGPT, Codex, and APIs (minor) - 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender IDs to United Arab Emirates (minor) - 2026-10-20: [TeamViewer](https://thirdpartyindex.com/vendors/teamviewer#status), which 3CX lists as a subprocessor, reported DEX Platform Intelligence, Insights not generated for 11 days (major) - 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX 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 3CX lists as a subprocessor, reported WhatsApp Embedded Signup Configuration Failures (minor) - 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Voice Call Failures from Twilio Phone Numbers to Digi.Mobil Romania (minor) - 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX 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 3CX 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 3CX lists as a subprocessor, reported RCS Delivery Receipt Delays for AT&T (minor) - 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX lists as a subprocessor, reported File Download errors (minor) - 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX 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 3CX 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 3CX 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 3CX lists as a subprocessor, reported 5300 Errors on Singapore Client Edge (minor) - 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX lists as a subprocessor, reported Delayed A2P Campaign Approvals (minor) - 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX 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 3CX 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 3CX 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 3CX 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 3CX 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 3CX 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 3CX lists as a subprocessor, reported Email suppression issues (no impact stated) - 2026-10-15: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Widespread feature degradation (major) - 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX 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 3CX 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 3CX 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 3CX 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 3CX 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 3CX lists as a subprocessor, reported Delayed Costs data in the Compliance API (minor) - 2026-10-14: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX lists as a subprocessor, reported Automated Alert: No Customer Impact (no impact stated) - 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX 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 3CX lists as a subprocessor, reported Degraded performance in Codex and ChatGPT Work (minor) - 2026-10-14: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays and Failures between Twilio and Multiple Networks in Brazil and Italy (minor) - 2026-10-13: [DigitalOcean](https://thirdpartyindex.com/vendors/digitalocean#status), which 3CX lists as a subprocessor, reported App Platform Deployments (no impact stated) - 2026-10-13: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX 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 3CX 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 3CX 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 3CX 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 3CX 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 3CX lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Etisalat and Du United Arab Emirates (minor) - 2026-10-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Telekom Germany (minor) - 2026-10-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Debugger Notification Delivery Issues (minor) - 2026-10-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to C-Spire United States (minor) - 2026-10-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Phone Numbers to Germany (minor) - 2026-10-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio South Africa Phone Numbers to Vodacom South Africa (minor) - 2026-10-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Phone Numbers to Romania (minor) - 2026-10-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Voice Call Post Dial Delay from a Subset of Twilio Phone Numbers to Malaysia (minor) - 2026-10-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Multiple Networks in Italy (minor) - 2026-10-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Phone Number Purchase Failures in New Console (minor) - 2026-10-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Phone Numbers to Pelephone Israel (minor) - 2026-10-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Pelephone Israel (minor) - 2026-10-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported WhatsApp Sandbox Message Processing Issues (minor) - 2026-10-11: [DigitalOcean](https://thirdpartyindex.com/vendors/digitalocean#status), which 3CX lists as a subprocessor, reported DNS Resolution for Managed Kubernetes (minor) - 2026-10-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom (minor) - 2026-10-11: [TeamViewer](https://thirdpartyindex.com/vendors/teamviewer#status), which 3CX lists as a subprocessor, reported Remote & Tensor : WebAPI unavailable (major) - 2026-10-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Beeline Kazakhstan (minor) - 2026-10-10: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to DigiTel C.A. Venezuela (minor) - 2026-10-10: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Zamtel Zambia (minor) - 2026-10-10: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Voice Call Failures from Network Subscribers to a Subset of Twilio South Africa Phone Numbers (minor) - 2026-10-10: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Elevated Errors Affecting Sip Domain Configuration (no impact stated) - 2026-10-10: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Receipt Delays From a Subset of Twilio Short Codes to Multiple Networks in New Zealand (minor) - 2026-10-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Workspace admins may be unable to manage plugins (major) - 2026-10-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Some ChatGPT content may be unavailable on Android (major) - 2026-10-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Delayed Costs data in the Compliance API (minor) - 2026-10-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Onvoy Spectrum Mobile United States (minor) - 2026-10-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio Alphanumeric Sender Type to Telenor Norway (minor) - 2026-10-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to TIM and Noverca Italia Srl Italy (minor) - 2026-10-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs to Mobile China (minor) - 2026-10-08: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Moov Côte d'Ivoire (minor) - 2026-10-08: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Verizon United States (minor) - 2026-10-08: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Norway (minor) - 2026-10-08: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Some APAC users are seeing errors in ChatGPT Work, conversations, and GPTs. (minor) - 2026-10-08: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Twilio SMS Delivery Issues (minor) - 2026-10-07: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Elevated errors with GPT-5.6 Instant in FedRAMP workspaces (minor) - 2026-10-07: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Degraded performance in Codex and Work mode: Dot turn failures, delayed responses, and reduced proactivity (minor) - 2026-10-07: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Dot in Codex may fail to create new threads (minor) - 2026-10-07: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS and MMS Delivery Receipt Delays from Twilio to AT&T United States (minor) - 2026-10-07: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Brisanet Brazil (minor) - 2026-10-07: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Brisanet Brazil (minor) - 2026-10-07: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS and MMS Delivery Delays and Delivery Receipt Delays between Twilio and AT&T in the United States (minor) - 2026-10-07: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Unable to create new ChatGPT Work threads in latest version of desktop app (major) - 2026-10-07: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Workspace Agents Degraded and Responses Impacted (minor) - 2026-10-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Movistar El Salvador (minor) - 2026-10-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to O! Kyrgyzstan (minor) - 2026-10-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Delays Viewing and Receiving Operator Results in Conversation Intelligence and Accessing Conversation Memory (minor) - 2026-10-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Computer Use Is Experiencing Issues (minor) - 2026-10-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Errors processing large PDFs in the Responses API (minor) - 2026-10-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to MTN Nigeria (minor) - 2026-10-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Elevated error rates in ChatGPT Go conversations (minor) - 2026-10-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays and Delivery Receipt Delays from Twilio to Chunghwa Telecom Taiwan (minor) - 2026-10-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Rain South Africa and Orange Niger (minor) - 2026-10-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported MMS Delivery Failures from a Subset of Twilio Short Codes to Verizon and T-Mobile United States (minor) - 2026-10-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Elevated errors affecting multiple products including ChatGPT (conversations), Image generations, Spaces and Pages, API rehydration, and Dots. (minor) - 2026-10-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Failures from Twilio to Orange Guinea (minor) - 2026-10-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Elevated errors in API Platform login and administration APIs. (minor) - 2026-10-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States (minor) - 2026-10-05: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Elevated error rates in Codex Cloud (no impact stated) - 2026-10-05: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Elevated errors in ChatGPT conversations (minor) - 2026-10-05: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Admin Console Intermittently Inaccessible (no impact stated) - 2026-10-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor) - 2026-10-05: [TeamViewer](https://thirdpartyindex.com/vendors/teamviewer#status), which 3CX lists as a subprocessor, reported DEX Platform West Europe (WEU1) (minor) - 2026-10-05: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Issues saving and editing Pages (minor) - 2026-10-05: [DigitalOcean](https://thirdpartyindex.com/vendors/digitalocean#status), which 3CX lists as a subprocessor, reported VPC Networking Availability (minor) - 2026-10-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Voice Call Failures from Network Subscribers to a Subset of Twilio France Phone Numbers (minor) - 2026-10-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays and Failures between Twilio Long Codes and Multiple Networks in France (minor) - 2026-10-05: [TeamViewer](https://thirdpartyindex.com/vendors/teamviewer#status), which 3CX lists as a subprocessor, reported Degraded performance on US services (minor) - 2026-10-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Delayed Messaging Logs and Status Callbacks in IE1 Region (minor) - 2026-10-05: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Elevated Work Mode errors (minor) - 2026-10-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States (minor) - 2026-10-04: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Cellcom Israel (minor) - 2026-10-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Degraded Service in london-ix edge in ie1 TNX (minor) - 2026-10-03: [DigitalOcean](https://thirdpartyindex.com/vendors/digitalocean#status), which 3CX lists as a subprocessor, reported A Network Disruption in BLR1 Region Impacted Multiple Products (Resolved) (no impact stated) - 2026-10-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Banglalink Bangladesh (minor) - 2026-10-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Magti GSM Georgia (minor) - 2026-10-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Hi3G Italy (minor) - 2026-10-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Programmable Messaging API Errors (no impact stated) - 2026-10-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported 500 Errors for Conversations Classic Conversations Updates (minor) - 2026-10-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Messaging Event Delays for Comms API (minor) - 2026-10-02: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Issues with data analysis and file creation in ChatGPT (minor) - 2026-10-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Increased Email Deferrals and Delays in Deliveries (no impact stated) - 2026-10-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to Telenet BidCo NV Belgium (minor) - 2026-10-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase on AT&T in United States (minor) - 2026-10-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Vodafone Netherlands (minor) - 2026-10-01: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Jio India (minor) - 2026-10-01: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Issues with login, signup, and ads (major) - 2026-10-01: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported A2P Campaign Registration Delays (minor) - 2026-10-01: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Voice Call Failures and Post Dial Delay from Twilio Phone Numbers to DigiMobil Spain (minor) - 2026-10-01: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in United States (minor) - 2026-10-01: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to DigiMobil (Movistar) Spain (minor) - 2026-10-01: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Algar Telecom (CTBC) Brazil (minor) - 2026-09-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase and High Latency on Verizon in United States (minor) - 2026-09-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Kolbi Costa Rica (minor) - 2026-09-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Multiple Networks in Colombia (minor) - 2026-09-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Tigo Guatemala (minor) - 2026-09-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Wind Tre Italy (minor) - 2026-09-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Short Codes to Multiple Networks in Chile (minor) - 2026-09-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Elevated latency for some API requests (minor) - 2026-09-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Delivery Failures From Verify to China (minor) - 2026-09-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Vodafone Netherlands (minor) - 2026-09-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Metfone, Viettel, Beeline, and Sotelco Cambodia (minor) - 2026-09-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Claro Colombia (minor) - 2026-09-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Messaging Logs API Latency & Errors (minor) - 2026-09-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Elevated error rates for ChatGPT Pro and Plus users (minor) - 2026-09-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Tigo Guatemala (minor) - 2026-09-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Elevated errors in ChatGPT Space Pages (minor) - 2026-09-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Tigo Guatemala (minor) - 2026-09-29: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Elevated errors across ChatGPT, Codex, and the API including the Agents API (minor) - 2026-09-29: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which 3CX lists as a subprocessor, reported Support available via email (no impact stated) - 2026-09-29: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Flex Plugins CLI Is Degraded (minor) - 2026-09-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Bulk Messaging API Errors (no impact stated) - 2026-09-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Automated Alert: No Customer Impact (no impact stated) - 2026-09-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to CTBC Brazil (minor) - 2026-09-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Mobile Numbers to Vodafone United Kingdom (minor) - 2026-09-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Failures from Twilio to Multiple Networks in Spain (minor) - 2026-09-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which 3CX lists as a subprocessor, reported SMS Delivery Delays from Twilio to Proximus Belgium (minor) The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/3cx ## Security contact From its security.txt (https://www.3cx.com/.well-known/security.txt) ([evidence](https://thirdpartyindex.com/evidence/102255)): - Contact: https://hackerone.com/3cx - Contact: mailto:security@3cx.com - Disclosure policy: https://hackerone.com/3cx - Languages: en - Valid until 2026-12-31 - Signed --- 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