Builder.io Subprocessors List (October 2026): Changes and History
Builder.io names 24 subprocessors on its published list. Read from the vendor's own page and re-checked daily.
Builder.io subprocessors (October 2026)
| # | Subprocessor | Purpose | Location |
|---|---|---|---|
| 1 | Google Cloud Platform | Main hosting provider for the production application. Primary holder of application data | — |
| 2 | Amazon Web Services | Provides global content delivery (CDN) and logging infrastructure | — |
| 3 | Anthropic | Provider of hosting for Large Language Models | — |
| 4 | Fastly | Provides global content delivery (CDN) | — |
| 5 | Amplitude | Analytics on how users interact with the app | — |
| 6 | Cloudinary | Stores and optimizes user-uploaded media content | — |
| 7 | Discourse | Community support and communication services | — |
| 8 | Fullstory | Tracks in-app user behavior and session replays | — |
| 9 | Launchdarkly | Controls app functionality via feature flags with potential user segmentation | — |
| 10 | MongoDB | Hosts application database with customer records | — |
| 11 | OpenAI | Provider of hosted Large Language Models used in app features | — |
| 12 | Polytomic | Syncs customer data between internal systems | — |
| 13 | Redis labs | Caches active user session data or frequently queried records | — |
| 14 | Sendgrid | Delivers transactional and alert emails to users | — |
| 15 | Sentry | Captures error data, may include user-specific logs or debug context | — |
| 16 | Sigma | Analyzes application and product usage data | — |
| 17 | Stripe | Processes customer payment information | — |
| 18 | Gong | captures and analyzes customer interactions | — |
| 19 | Fly.io | Edge deployment platform | — |
| 20 | Pylon | Customer Support Ticketing | — |
| 21 | Fireworks | AI model Inference infrastructure | — |
| 22 | Netlify | Application hosting | — |
| 23 | Neon | Application Hosting, Database | — |
| 24 | Common Room | go-to-market analytics | — |
Get an email when Builder.io changes its subprocessors
ClauseTrail re-checks this list every day and tells you exactly who was added or removed — including when a vendor starts sending data to an AI provider. The first vendors are free.
AI and customer data at Builder.io
What Builder.io's own documents say, with the sentence each answer comes from.
- Trains AI models on customer data
-
Yes, unless you opt out
“Builder may use Customer Data to train and improve the AI if the customer is on a free plan or, for customers on self-service accounts, if AI Training is toggled ON within your account settings.”
AI terms, www.builder.io ↗ - Sends customer data to AI model providers
-
Yes
“"AI" means artificial intelligence technology, whether proprietary to Builder, a third party, or open source.”
AI terms, www.builder.io ↗ - How to opt out
-
Self-service account customers can toggle AI Training off in account settings, while Enterprise customers are automatically excluded from AI training on their data.
“Builder may use Customer Data to train and improve the AI if the customer is on a free plan or, for customers on self-service accounts, if AI Training is toggled ON within your account settings.”
AI terms, www.builder.io ↗ - How long AI features keep data
-
Builder does not store Customer Data submitted to the AI except as needed for debugging and fixing errors.
“Builder will not store Customer Data provided to the AI, except as necessary for purposes of debugging and fixing errors in the Services that are provided to Customer.”
AI terms, www.builder.io ↗
Documents we track for Builder.io
- AI terms
- checked October 4, 2026 www.builder.io ↗
- Privacy policy
- checked October 4, 2026 changed October 4, 2026 www.builder.io ↗
- Subprocessor list
- checked October 4, 2026 www.builder.io ↗
- Terms of service
- checked October 4, 2026 www.builder.io ↗
- Trust page
- checked September 29, 2026 trust.builder.io ↗
Change history
Tracking since October 4, 2026. No change has been published since; additions, removals and document changes will appear here as they're published.
Builder.io subprocessors FAQ
- How many subprocessors does Builder.io use?
- Builder.io lists 24 subprocessors on its published list, including Google Cloud Platform, Amazon Web Services, Anthropic, Fastly, and Amplitude and 19 more.
- Does Builder.io use customer data to train AI models?
- According to its AI terms, Builder.io uses customer data to train AI models unless customers opt out: “Builder may use Customer Data to train and improve the AI if the customer is on a free plan or, for customers on self-service accounts, if AI Training is toggled ON within your account settings.”
- When was Builder.io's subprocessor list last checked?
- ClauseTrail last checked Builder.io's subprocessor list on October 4, 2026. Lists are re-checked daily.
- How do I find out when Builder.io adds or removes a subprocessor?
- ClauseTrail monitors Builder.io's subprocessor list, DPA, privacy policy and terms and emails you the exact change — who was added or removed and what the page said before and after. The first vendors are free.