Changelog API for GTM teams and the agents that work for them

How to use this site

Browse the catalog

Explore 5000+ official vendor changelog sources. Filter by vendor, category, or tag. Each source shows the last company update time (not our fetch time), health status, and adapter type.

Access the API

Sign up for a free account to get an API key (3 sources, no credit card). See developer resources for endpoints, OpenAPI spec, MCP server, and RSS feeds.