# API reference

### Authentication

This API relies on provisioned API keys for authentication and access. In order to obtain a key, please contact us.

[Read more](https://docs.cryptosat.io/cryptosat/api-documentation/authentication)

### Public randomness

Public randomness API.

[Read more](https://docs.cryptosat.io/cryptosat/api-documentation/public-randomness-sapi/api-reference/public-randomness)