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three.ws Schema Check — Changelog JSON Validator
x402
three.ws Schema Check — Changelog JSON Validator is a paid API for AI agents from three.ws, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-11).
Fetches and validates the three.ws changelog JSON API, returning version info, entry count, and any schema errors found.
Price / call$0.001
Success—
StatusUnknown
How this service works
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Output
Returns a JSON object with: ok (boolean success), api name ('changelog_json'), valid (boolean schema validity), version string (e.g. '2026-06-28'), fetched_at ISO timestamp, entry_count (integer), and schema_errors (array of any validation issues found).
Example use cases
Changelog API health check
“Fetch and validate the changelog_json API on three.ws and tell me if it's healthy — I want to know the current version, how many entries there are, and whether any schema errors showed up.”
CI pipeline schema verification
“Run the schema-check on the three.ws changelog_json API and give me the results so I can confirm it's still valid before we deploy — I need the ok status, version, and any schema_errors listed.”
Monitor changelog API freshness
“Check the three.ws changelog_json API right now and tell me when it was last fetched and what version it's on — I want to make sure the data looks fresh and passes schema validation.”
Technical details
Endpoint
POSThttps://three.ws/api/x402/schema-check?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a programmatic way to confirm that the three.ws changelog JSON API is reachable, well-formed, and schema-compliant — especially useful for CI/CD pipelines, monitoring agents, or developer tools that depend on the changelog data being current and valid.
Side effects
- Invalid or unsupported api enum value returns an error
- Upstream changelog JSON unavailable causes fetch failure
- Schema validation errors populate the schema_errors array with details
- Payment not included or insufficient USDC results in HTTP 402
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| api | string | Which public JSON API to fetch and validate. |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"api": "changelog_json",
"valid": true,
"version": "2026-06-28",
"fetched_at": "2026-06-28T12:00:00.000Z",
"entry_count": 42,
"schema_errors": []
}
}Tags
x402
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