Retell AI integration

Add community voice

Add a community voice from ElevenLabs to your Retell voice library. Use when you need to import a shared community voice for use in your agents.

Add sources to knowledge base

Tool to add sources (documents, URLs, text) to an existing knowledge base in Retell AI. Use when you need to add additional content to a knowledge base. At least one of knowledge_base_texts, knowledge_base_files, or knowledge_base_urls should be provided.

Buy a new phone number bind agents

This endpoint allows purchasing a new phone number with a specified area code and binding it to designated agents for inbound and outbound calls. It requires JSON with agent IDs and area code. Responses indicate the creation status or errors. A purchased phone number is a prerequisite for initiatin…

Create Voice AI Agent

Create a new voice AI agent with specified configuration. Use when you need to set up a voice-based AI agent with custom response engine, voice settings, and behavior configuration.

Create a new outbound phone call

Initiate an outbound call by POST to '/v2/create-phone-call'. Requires 'from_number' and 'to_number' in E.164 format. Optional overrides and metadata supported. On success, returns call details including type, status, and IDs.

Create a new web call

The /v2/create-web-call endpoint creates a web call with a unique agent ID, returning call details like type, token, call ID, and status in JSON format, with a 201 response. Optional metadata and variables can be included.

Create Batch Test

Tool to create a batch test job that runs multiple test cases against an agent. Use when you need to evaluate agent performance across multiple test scenarios simultaneously.

Create a new chat session

Tool to create a new chat session with a chat agent. Use when you need to initiate a new chat conversation with a RetellAI chat agent.

Create a new chat agent

Create a new chat agent with specified configuration. Use when you need to set up a chat-based AI agent with custom response engine and behavior settings.

Create chat completion

Tool to create a chat completion for an existing chat session, generating the agent's response to a user message. Use when you need the agent to respond to user input in an ongoing chat conversation.

Create conversation flow

Create a new Conversation Flow that can be attached to an agent for response generation. Requires start_speaker, model_choice, and nodes. Returns conversation_flow_id and full configuration.

Create conversation flow component

Creates a new shared conversation flow component at POST '/create-conversation-flow-component'. Requires 'name' and 'nodes' array. Optional: tools, mcps, start_node_id, begin_tag_display_position. Returns component ID, timestamp, and the full component definition.