# UnitAPI

> UnitAPI is a catalog of agent-callable backend building blocks for AI products.

## Homepage
- https://unitapi.cloud

## API references
- Human docs: https://api.unitapi.cloud/api-docs
- OpenAPI JSON: https://api.unitapi.cloud/api-docs-json
- Live catalog: https://api.unitapi.cloud/services/catalog

## Authentication
- Preferred for agents: X-API-Key header
- Browser operators can also use session cookies through the console

## Available service primitives
- tasks: hierarchical task workflows and state transitions
- url-shortener: short links and redirect management
- subscriptions: recurring entitlements and subscription state

## Guidance for agents
- Read the OpenAPI spec first for tool schemas.
- Use the services catalog to discover service IDs and auth modes.
- Expect monthly quotas and plan-based limits.
- If MCP is requested, note that the public UnitAPI MCP server is coming soon.