# Fig API Guides

Welcome to the FIG API Guides.

This documentation set is designed to help you integrate with the Fig Markets API.  Here you can find info on authentication, security, rate limiting, and error handling as well as detailed references to our API and WebSocket endpoints.

This documentation set is still in early release so bear with us as we continue to improve it.

## Getting Started

- [Overview](/overview) - An overview of the REST and WebSocket APIs
- [Quickstart Guide](/quickstart) - Set up authentication and WebSocket connections


## Authentication & Security

- [Authentication Guide](/guides/authentication) - JWT tokens, API keys, and multi-layered authentication
- [Signature Authentication](/guides/signature) - HMAC-SHA256 signature implementation
- [IP Whitelisting](/guides/ip-whitelist) - IP-based access controls for API keys


## API Management

- [Rate Limiting](/guides/rate_limit) - Rate limits for HTTP and WebSocket endpoints
- [Error Handling](/guides/errors) - Error documentation and handling strategies


## API Reference

- [REST API Reference](/apis/rest/openapi-modular) - REST API Reference
- [WebSocket API Reference](/websockets) - Websockets API Reference


## Additional Resources

- [Changelog](/changelog) - Latest updates and changes