Signature API, Inc. Subprocessors

SignatureAPI provides an API platform for electronic signatures and document signing, including embedded UI, qualified signatures, and AI toolkit features.

SaaS / Developer Tools signatureapi.com
Subprocessors
10
Locations
2
Categories
8
Last scanned

10 subprocessors

Name Category Purpose Location
Amazon Web Services, Inc. Cloud Infrastructure Provision of cloud infrastructure United States
Crunchy Data Solutions, Inc. Database Provision of database hosting services United States
Svix Inc. Developer Tools Webhooks management services United States
Tinybird, Inc. Database Logs hosting services United States
Stripe, Inc. Payment Processing Billing and payment processing United States
Clerk, Inc. Authentication Authentication and identity management United States
Slack Technologies, LLC Communications Internal operational and administrative alerts United States
Not Just Tickets Ltd (trading as Plain) Customer Support Customer support platform United Kingdom
OpenAI OpCo, LLC AI AI-assisted technical support and data analysis United States
Anthropic, PBC AI AI-assisted technical support and data analysis United States
November 10, 2026
+10 added
  • + Amazon Web Services, Inc. (Cloud Infrastructure)
  • + Crunchy Data Solutions, Inc. (Database)
  • + Svix Inc. (Developer Tools)
  • + Tinybird, Inc. (Database)
  • + Stripe, Inc. (Payment Processing)
  • + Clerk, Inc. (Authentication)
  • + Slack Technologies, LLC (Communications)
  • + Not Just Tickets Ltd (trading as Plain) (Customer Support)
  • + OpenAI OpCo, LLC (AI)
  • + Anthropic, PBC (AI)