Developers
Public API playground.
Build a request against the open, read-only endpoints, send it and inspect the JSON response. No key is needed. The machine-readable contract is at /developers/openapi.
Response
JSON
Choose an endpoint and send a request to see the JSON response.
Good to know
- All endpoints are read-only and need no account or API key.
- Only completed games played on ChessUrge are public. Uploaded games, notes, analysis, tags and share tokens are never exposed.
- Pagination is capped at 100 records per page; invalid parameters return a JSON
400. - Responses send public cache headers, and browser clients may call the API from any origin.
- Tournament slugs and usernames are required path values; unknown values return
404.
Read the full specification: OpenAPI 3.1 JSON. For engine analysis with credits and API keys, see the developer API guide.