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Status State API – Vendor Status Change History
x402
Status State API – Vendor Status Change History is a paid API for AI agents from status-state-api.replit.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Returns the historical status change events for a specific developer infrastructure vendor, showing transitions between operational/degraded/down states.
Price / call$0.01
Success—
StatusUnknown
How this service works
Status State API - agent-facing status monitoring for 20 developer infrastructure vendors. Most routes are free. Full per-vendor snapshots and change history are paid via the x402 protocol (USDC on Base, $0.01/call, no API key or signup required). See /.well-known/agent.json and /.well-known/x402 for machine-readable payment discovery.
Output
Returns a JSON array of status change events for the specified vendor slug, each containing a change ID, timestamp (createdAt), the previous status, the new status, the type of change, and an optional detail field. Useful for auditing incident frequency and duration over time.
Example use cases
Incident retrospective for team review
“Pull the full status change log for Stripe so I can put together a reliability retrospective for last quarter — I need every time their status shifted from operational to something worse.”
Automated alert on repeated degradations
“Check the change history for Vercel and let me know if they've had more than two degraded status events in the past two weeks — I'm deciding whether to migrate our deploys.”
Vendor reliability comparison before contract renewal
“Get the status change records for both Cloudflare and Fastly so I can compare how many times each one had an incident this year before we decide which CDN to renew with.”
Technical details
Endpoint
GEThttps://status-state-api.replit.app/api/monitors/%7Bslug%7D/changesWhen to prefer
Use this endpoint when you need the historical timeline of status transitions for a specific developer infrastructure vendor — not just the current status. Ideal for incident retrospectives, reliability audits, or building alerting logic based on how often a vendor flips between states. Prefer this over a current-snapshot endpoint when you need the 'when did it change and from what state' answer rather than 'what is the status right now'.
Side effects
- Unknown or unsupported vendor slug returns an empty array or 404
- Payment not completed via x402 protocol results in a 402 Payment Required response before data is returned
- Malformed slug parameter may return a validation error
- Vendor has no recorded changes yet, resulting in an empty changes array
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"slug": "openai",
"changes": [
{
"id": 1234,
"detail": null,
"createdAt": "2026-01-15T12:00:00.000Z",
"newStatus": "degraded",
"changeType": "status_change",
"previousStatus": "operational"
}
]
}
}Tags
x402
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