# Retell AI API Documentation

This is the complete API documentation for connecting to the Retell AI API using MindCloud's Universal API.

MindCloud offers one normalized API to access 3,400+ apps from a single place. It centralizes authentication and normalizes app APIs so they are easier and more consistent to use.

## Quickstart

1. A **MindCloud account** — sign in or create an account at [MindCloud](https://app.mindcloud.co).
2. A **MindCloud API Key** — create one in [API Keys](https://app.mindcloud.co/user/api-keys). Keep it on your server.
3. At least one **Retell AI connection** — create or choose one in [Connections](https://app.mindcloud.co/credentials). Note its `connectionId`.

```text
POST https://connect.mindcloud.co/v2/universal/apps/retellAI/actions/{actionSlug}/run
```

## Retell AI actions

- PUT `add-knowledge-base-sources` Add Knowledge Base Sources
- POST `create-chat` Create Chat
- POST `create-chat-agent` Create Chat Agent
- POST `create-knowledge-base` Create Knowledge Base
- POST `create-phone-call` Create Phone Call
- POST `create-retell-llm` Create Retell LLM
- POST `create-voice-agent` Create Voice Agent
- POST `create-web-call` Create Web Call
- PUT `end-chat` End Chat
- GET `get-call` Get Call
- GET `get-chat` Get Chat
- GET `get-chat-agent` Get Chat Agent
- GET `get-knowledge-base` Get Knowledge Base
- GET `get-phone-number` Get Phone Number
- GET `get-retell-llm` Get Retell LLM
- GET `get-voice-agent` Get Voice Agent
- GET `list-calls` List Calls
- GET `list-chat` List Chat
- GET `list-chat-agents` List Chat Agents
- GET `list-knowledge-bases` List Knowledge Bases
- GET `list-phone-numbers` List Phone Numbers
- GET `list-retell-llms` List Retell LLMs
- GET `list-voice-agents` List Voice Agents
- GET `list-voices` List Voices
- PUT `publish-agent` Publish Agent
- PUT `publish-chat-agent` Publish Chat Agent
- PUT `update-chat-agent` Update Chat Agent
- PUT `update-phone-number` Update Phone Number
- PUT `update-retell-llm` Update Retell LLM
- PUT `update-voice-agent` Update Voice Agent