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Changelog State API – Monitor Slug
x402
Changelog State API – Monitor Slug 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 2026-09-14).
Retrieves the current changelog state for a monitored project by slug, returning release history, status, and metadata
Price / call$0.01
Success—
StatusUnknown
How this service works
Changelog State API — built on Replit. Update this description to reflect the app.
Output
Returns a JSON object containing the monitor's name, slug, current status (e.g. pending), source URL, source type (e.g. github_releases), homepage URL, timestamps for last change/check/success, total release count, and an array of release entries each with URL, body, title, version, breaking flag, entry key, firstSeenAt, and publishedAt timestamps.
Example use cases
Detect breaking changes in a dependency
“Check the changelog monitor for 'stripe-node' and tell me if any of the last 10 releases have breaking changes — I need to know before I upgrade.”
Track latest library release
“What's the most recent release for the 'prisma' changelog monitor? Show me the title, version, and when it was published.”
Verify changelog monitor health
“Is the changelog monitor for 'next-js' still active and successfully fetching releases? Tell me when it last checked and when it last succeeded.”
Technical details
Endpoint
GEThttps://changelog-state-api.replit.app/api/monitors/%7Bslug%7DWhen to prefer
Use this endpoint when you need to programmatically check the release or changelog state of a specific monitored project by its slug — especially useful for detecting new or breaking releases in dependencies, auditing changelog monitor health, or automating version-tracking workflows. Prefer this over manual GitHub polling when you want pre-aggregated release metadata with breaking-change signals and monitoring timestamps in a single call.
Side effects
- Unknown or invalid slug returns 404 or empty result
- Monitor in 'pending' status may have no releases yet
- Network timeout if upstream source (e.g. GitHub) is slow
- limit parameter ignored or defaulted if not provided
- Stale data if lastCheckedAt is far in the past
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| limit | integer | Maximum number of release entries to return. |
Output
Schema · Response
{
"name": "string",
"slug": "string",
"status": "pending",
"releases": [
{
"url": "string",
"body": "string",
"title": "string",
"version": "string",
"breaking": false,
"entryKey": "string",
"firstSeenAt": "2026-01-15T09:30:00.000Z",
"publishedAt": "2026-01-15T09:30:00.000Z",
"breakingEvidence": "string"
}
],
"sourceUrl": "string",
"sourceType": "github_releases",
"homepageUrl": "string",
"lastChangeAt": "2026-01-15T09:30:00.000Z",
"releaseCount": 1,
"lastCheckedAt": "2026-01-15T09:30:00.000Z",
"lastSuccessAt": "2026-01-15T09:30:00.000Z"
}Tags
x402
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