Developer Resources

Quick Links

• Documentation - Full API reference, authentication, endpoints, and examples
• OpenAPI Spec - OpenAPI 3.0.3 spec with typed schemas
• LLM Instructions - Agent-specific guidance for when to use this service
• Important Updates - Public feed of breaking changes and security fixes
• Latest Updates - Public feed of recent changelog entries

Getting Started

The Watch Changelog API provides uniform access to changelog data from 5,109 official vendor sources. Signed-in customers can create API keys; use the public feeds today, or review pricing for the Free and Pro access rules.

Free covers 10 followed sources. Pro includes unlimited catalog access at $9.99/mo. REST and local MCP use the same entitlement.

Support

Questions? Email hello@watchchangelog.com or check out our pricing plans.