Writer
Writing & Content Creation20 vendorsUpdated Nov 10, 20268 added, 1 removedwriter.comSubprocessor list
Writer uses 20 subprocessors and infrastructure vendors, including AWS, Google Cloud and Stripe, based on its public subprocessor list. Last checked Nov 10, 2026.
AI Stack · 7
Infrastructure · 13
AI Stack
Infrastructure
Cloud & Networking
Billing & Payments
CRM & Support
Communications
Developer Platform
Model labs reached through vendors 4
Writer does not list these model providers. Vendors on its list name them on their own subprocessor lists.
- OpenAIthroughCloudflare,Segment,Pylon,FullStory,OpenRouter,Recall.aiand 2 more
- AnthropicthroughCloudflare,Segment,Pylon,FullStory,Daytona
- CoherethroughTurbopuffer,Tavily
- SpaceXAIthroughCloudflare
Named on vendor websites 6
These vendors name Writer as a customer on their own website. They are not on Writer’s subprocessor list.
Changes
Mar 3, 2026 to Nov 10, 2026Source
Similar companies
Companies with the most overlapping vendors