HIO Developer Documentation

Guides, examples, and a generated API reference for HIO integrations.

One place for the supported contract

This site documents the customer-facing HIO API. Its reference pages are generated from the same public OpenAPI contract as the deployed API, while the guides explain how to authenticate and build integrations safely.

Start an integration

Configure the API URL and a HIO-issued credential, then make your first request.

Explore the contract

Browse operations by API area, including request parameters, response types, and examples.

Connect AI tooling

Give compatible assistants and agents the machine-readable public OpenAPI document.