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Changelog State API – Structured Recent Releases for Vendor
x402
Changelog State API – Structured Recent Releases for Vendor is a paid API for AI agents from changelog-state-api.replit.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).
Returns paginated, structured recent release entries for a single tracked vendor identified by slug (e.g. 'mcp').
Price / call$0.01
Success—
StatusUnknown
How this service works
Structured recent releases for one tracked vendor.
Output
A JSON object containing an array of structured release entries for the requested vendor (up to `limit` items, default 10), each with version and publish metadata, plus an opaque `nextCursor` string that can be passed on subsequent calls to retrieve the next page of older entries in newest-first order.
Example use cases
Track MCP release cadence
“Fetch the latest 10 structured releases for the 'mcp' vendor so I can see how frequently they've been shipping updates.”
Paginate through vendor release history
“Get the next page of releases for the 'openai' vendor using the cursor token I got from the last response — I want to keep walking back through their history.”
Monitor dependency changelog for a bot
“Grab up to 25 recent release entries for the 'anthropic' vendor so my bot can detect whether any new versions have dropped since it last checked.”
Technical details
Endpoint
GEThttps://changelog-state-api.replit.app/api/monitors/mcpWhen to prefer
Use this endpoint when you need structured, paginated release data for a specific vendor you already know is tracked (slug confirmed via GET /api/monitors). It is the right choice when you want machine-readable release entries rather than raw changelog diffs, and when you need stable cursor-based pagination that won't shift previously read pages as new releases arrive.
Side effects
- 404 if the slug does not match a tracked vendor (use GET /api/monitors to list valid slugs)
- 400 if the cursor token is malformed or was issued for a different vendor
- 400 if limit is outside the allowed range (1–50)
- Payment failure if USDC balance is insufficient for the $0.01 per-call fee
- Empty results array if the vendor exists but has no recorded releases yet
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object | Full structured recent releases (paid) |
Tags
x402
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