# Watermelonn Platform API > Professional API documentation for the Watermelonn backend and ActionBot orchestration services. ## Docs - [Admin API](https://api.watermelonn.app/admin-api.md): Dashboard-facing endpoints for tenant setup, operations, and analytics. - [Architecture](https://api.watermelonn.app/architecture.md): How requests move through auth, intent detection, action execution, and escalation. - [Authentication](https://api.watermelonn.app/authentication.md): How authentication works for widget clients and dashboard admins. - [Chat API](https://api.watermelonn.app/chat-api.md): Widget-facing endpoints for messages, conversation history, and escalation. - [Errors](https://api.watermelonn.app/errors.md): Common HTTP and WebSocket errors returned by the platform API. - [Introduction](https://api.watermelonn.app/introduction.md): Overview of the Watermelonn backend platform and API surface. - [Quickstart](https://api.watermelonn.app/quickstart.md): Get the backend running locally and send your first API request. - [WebSocket API](https://api.watermelonn.app/websocket.md): Real-time messaging protocol for streaming chat responses. ## OpenAPI Specs - [openapi](https://api.watermelonn.app/api-reference/openapi.json)