# Ably

Ably declares [5 subprocessors](https://thirdpartyindex.com/vendors/ably#subprocessors) in [its subprocessor list](https://ably.com/legals/sub-processors), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/4560)). They include [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services), [Google Cloud](https://thirdpartyindex.com/vendors/google-cloud) and [Snowflake](https://thirdpartyindex.com/vendors/snowflake). No published changes since we first read it on 2026-09-22. [13 tracked vendors](https://thirdpartyindex.com/vendors/ably#used-by) name Ably as a subprocessor, including [HubSpot](https://thirdpartyindex.com/vendors/hubspot), [Intercom](https://thirdpartyindex.com/vendors/intercom) and [Mailgun](https://thirdpartyindex.com/vendors/mailgun).

Ably (ably.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/ably
- Documents last verified: 2026-11-11
- Transparency rating: 74/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 0/8 (partial); Purposes 7/7; Data processing addendum 12/12; Trust center 0/8 (not found); Privacy policy 6/6; security.txt 6/6; Security page 0/5 (not found); Status page 5/5; Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8
- Supply chain: relies on 5 tracked vendors directly, 53 within two hops, 256 within three; 13 tracked vendors rely on it directly, 1174 within two hops, 2573 within three
- Cite as: Ably, Third Party Index, https://thirdpartyindex.com/vendors/ably (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Subprocessor list | https://ably.com/legals/sub-processors | 2026-11-11 | 2026-09-22 |
| Data processing addendum | https://ably.com/data-processing-addendum | 2026-11-11 | 2026-11-06 |
| Privacy policy | https://ably.com/privacy | 2026-11-11 | 2026-11-05 |
| Terms | https://ably.com/terms | 2026-11-11 | 2026-11-05 |
| security.txt | https://ably.com/.well-known/security.txt | 2026-11-11 | 2026-09-22 |
| Status page | https://status.ably.com/ | 2026-11-11 | 2026-11-11 |

## Subprocessors (5)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| [Amazon Web Services, Inc.](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Cloud provider | — | 2026-09-22 |
| [Apple, Inc.](https://thirdpartyindex.com/vendors/apple.md) | Apple Push Notification Service (APNS) | — | 2026-09-22 |
| [Google LLC.](https://thirdpartyindex.com/vendors/google-cloud.md) | Firebase Cloud Messaging (FCM) | — | 2026-09-22 |
| [Metabase, Inc.](https://thirdpartyindex.com/vendors/metabase.md) | Business Intelligence and Analytics Platform | — | 2026-09-22 |
| [Snowflake, Inc.](https://thirdpartyindex.com/vendors/snowflake.md) | Data Warehouse Solution | — | 2026-09-22 |

Read from ([evidence](https://thirdpartyindex.com/evidence/4560)). CSV: https://thirdpartyindex.com/vendors/ably/subprocessors.csv

## Web Technologies

Ably's homepage made 120 requests to 22 domains, and 8 services controlled by another company. Loaded on 2026-11-04 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.

8 third parties by category: Analytics 3 (HubSpot, LinkedIn, Leadfeeder); Advertising 1 (Google Cloud); Cookie compliance 1 (OneTrust); CDN 1 (UNPKG); Issue trackers 1 (usually detected as Issue trackers: Sentry); Widgets 1 (reviewed: Statuspage). 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 (8)

- Google Cloud: 21 requests to fonts.googleapis.com, google.com, googletagmanager.com, doubleclick.net, gstatic.com, storage.googleapis.com; DoubleClick Floodlight, Google Analytics, Google Tag Manager (its subprocessor list names it too)
- OneTrust: 12 requests to onetrust.com; OneTrust
- HubSpot: 10 requests to hubspot.com, hs-analytics.net, hs-banner.com, hs-scripts.com, hsadspixel.net, hsforms.com, hubapi.com, usemessages.com; HubSpot, HubSpot Analytics, HubSpot Chat
- LinkedIn: 3 requests to linkedin.com, licdn.com; Linkedin Insight Tag
- Leadfeeder: 2 requests to lfeeder.com; Leadfeeder
- Sentry: 1 request to sentry.io
- Statuspage: 1 request to statuspage.io
- UNPKG: 1 request to unpkg.com; Unpkg

### First party (1)

- Ably: 69 requests to ably.com; Cloudflare, Framer Motion, Gatsby 5.16.0, Google Font API, HSTS, Open Graph, PWA, Radix UI, React, Sentry, Three.js 185, Webpack, styled-components 6.5.0, Ruby, Ruby on Rails

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

## Subprocessor of (13)

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

- [Attio](https://thirdpartyindex.com/vendors/attio.md): Notifications
- [Front](https://thirdpartyindex.com/vendors/front.md): Real-time events
- [HubSpot](https://thirdpartyindex.com/vendors/hubspot.md): Conversation & Chat Functionality
- [Intercom](https://thirdpartyindex.com/vendors/intercom.md): Message delivery service; Message delivery service to support real-time delivery of messages via messenger products
- [Mailgun](https://thirdpartyindex.com/vendors/mailgun.md): Cloud Service; for Live Updates
- [Mentimeter](https://thirdpartyindex.com/vendors/mentimeter.md): Reverse proxy to deliver content to connected devices instantly
- [Sinch](https://thirdpartyindex.com/vendors/sinch.md): Cloud Service; for Live Updates
- [Spekit](https://thirdpartyindex.com/vendors/spekit.md): Realtime events monitoring
- [Split.io](https://thirdpartyindex.com/vendors/split-io.md): --- Platform Services and Enablement ---  Push Infrastructure
- [SupportBee](https://thirdpartyindex.com/vendors/supportbee.md): Infrastructure
- [Swantide](https://thirdpartyindex.com/vendors/swantide.md): Real-time Data Delivery Services
- [Vasco](https://thirdpartyindex.com/vendors/vasco.md): Infrastructure
- [Webflow](https://thirdpartyindex.com/vendors/webflow.md): Real-time notifications within the designer and dashboard

## Service status

Incidents it reported on its own status page.

- Last 90 days: 10 reported incidents (3 major or critical, 4 minor, 3 with no impact stated)
- Typical time to resolve: 17 min
- Status page last read: 2026-11-12
- 2026-11-03: eu-west-1 NLB issues (minor)
- 2026-10-30: Transient load-balancer issue in us-west-1 (no impact stated)
- 2026-10-25: Elevated connection errors in us-east-1 (minor)
- 2026-10-20: issue with rewind=1 and persist-last in some situations (no impact stated)
- 2026-10-16: MongoDB ingress rule issues (no impact stated)
- 2026-10-01: Elevated API Errors (major)
- 2026-09-07: Ably documentation pages - ably.com/docs (major)
- 2026-08-28: Elevated API Errors - LiveObjects (minor)

## Incidents reported by Ably's subprocessors

Incidents reported in the last 30 days on their own status pages by 1 vendor Ably lists as a subprocessor. A subprocessor list names a company, not the service an incident touched.

- 2026-11-07: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Ably lists as a subprocessor, reported INC20000337 (minor)
- 2026-11-06: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Ably lists as a subprocessor, reported INC20000336 (minor)
- 2026-10-30: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Ably lists as a subprocessor, reported INC20000321 (minor)
- 2026-10-29: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Ably lists as a subprocessor, reported INC20000319 (minor)
- 2026-10-21: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Ably lists as a subprocessor, reported INC20000301 (critical)
- 2026-10-21: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Ably lists as a subprocessor, reported INC20000299 (minor)
- 2026-10-20: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Ably lists as a subprocessor, reported INC20000294 (critical)
- 2026-10-19: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Ably lists as a subprocessor, reported INC20000290 (minor)
- 2026-10-16: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Ably lists as a subprocessor, reported INC20000287 (critical)
- 2026-10-13: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Ably lists as a subprocessor, reported INC20000277 (minor)

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

## Security contact

From its security.txt (https://ably.com/.well-known/security.txt) ([evidence](https://thirdpartyindex.com/evidence/2316)):

- Contact: mailto:disclosure@ably.com
- Disclosure policy: https://ably.com/disclosure
- Acknowledgments: https://ably.com/acknowledgements
- Security jobs: https://ably.com/careers
- Languages: en
- Valid until 2027-05-01

---

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
