> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.paradex.trade/api/testnet/authentication/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.paradex.trade/_mcp/server.

# Authentication


## API Docs

- Authentication [Onboarding](https://docs.paradex.trade/api/prod/authentication/onboarding.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.paradex.trade/api/testnet/authentication/openapi.json)
- [OpenAPI YAML](https://docs.paradex.trade/api/testnet/authentication/openapi.yaml)