> For the complete documentation index, see [llms.txt](https://hapi-one.gitbook.io/hapi-protocol/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hapi-one.gitbook.io/hapi-protocol/developers/api-integration.md).

# API Integration

You can fetch data for a particular address in HAPI database from an off-chain API. Please read the OpenAPI (Swagger) documentation for HAPI API endpoint [here](https://api.hapi.one/v1/doc/). Note: you need an authorization token that can be received from our team via direct request.