# Surface

## Docs

- [Match a contract](https://docs.surfaceapi.com/api-reference/endpoint/match.md): Bidirectional cross-exchange contract lookup. Given any contract ID — a Kalshi ticker or a Polymarket contract ID — returns the full cluster: every contract in the same cross-exchange group and the relationships between them.
- [Introduction](https://docs.surfaceapi.com/api-reference/introduction.md): Cross-exchange prediction market data via a single API.
- [Quickstart](https://docs.surfaceapi.com/quickstart.md): Make your first match request in under a minute.

## OpenAPI Specs

- [openapi](https://docs.surfaceapi.com/api-reference/openapi.json)

## Optional

- [surface.surf](https://surface.surf)