# halfin docs

> Single-page merchant API reference for invoices, hosted checkout, static addresses, payouts, webhooks, public data, environments, authentication, gates, and conversion routes.

Use the root page for public merchant integration guidance. The API method details on that page are rendered from the filtered public OpenAPI document.

## API Reference

- [halfin API](https://docs.halfin.xyz/): Single-page merchant API reference for integration, gates, conversion, webhooks, changelog, and methods. Markdown: https://docs.halfin.xyz/md

## Machine-Readable Resources

- [OpenAPI](https://docs.halfin.xyz/openapi/openapi.yaml): Filtered public OpenAPI document for merchant integrations.
- [Sitemap](https://docs.halfin.xyz/sitemap.xml): Public documentation and API reference sitemap.
- [Full LLM text](https://docs.halfin.xyz/llms-full.txt): Curated Markdown bundle for the pages listed above.