Need help with your APIs? I offer API discovery, governance & evangelism services. Explore services →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Retell AI Conversation Flow API

The Conversation Flow API from Retell AI — 5 operation(s) for conversation flow.

Retell AI Conversation Flow API is one of 11 APIs that Retell AI publishes on the APIs.io network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification.

Tagged areas include Conversation Flow. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, an AsyncAPI specification, and rate-limit docs.

This API exposes 5 operations across 5 paths, and defines 2 schemas. It is described by OpenAPI 3.0.1, at version 2.0.

Requests are made against a single base URL, https://api.retellai.com.

5 operations 5 paths 2 schemas 1 DELETE2 GET1 PATCH1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.1
API Version
2.0
Base URL
https://api.retellai.com
Authentication
HTTP Bearer
Terms of Service
Resource Areas
1

Authentication & Security 1

Retell AI Conversation Flow API declares 1 security scheme for authenticating requests. It accepts HTTP bearer tokens (apiKey) (api_key). By default, every request must be authenticated.

  • api_key — Retell API key, sent as: Authorization: Bearer

Paths & Operations 5

Across 5 paths, the API surfaces 5 operations — 1 DELETE, 2 GET, 1 PATCH, 1 POST. Each is listed below with its method, path, parameters, and response codes.

Conversation Flow 5
POST
/create-conversation-flow
Create a conversation flow.
createConversationFlow body → 201
GET
/get-conversation-flow/{conversation_flow_id}
Retrieve a conversation flow.
getConversationFlow 2 params → 200
GET
/list-conversation-flows
List all conversation flows.
listConversationFlows → 200
PATCH
/update-conversation-flow/{conversation_flow_id}
Update a conversation flow.
updateConversationFlow 1 param body → 200
DELETE
/delete-conversation-flow/{conversation_flow_id}
Delete a conversation flow.
deleteConversationFlow 1 param → 204

Schemas 2

The contract defines 2 schemas that model the data the API accepts and returns. The most detailed is ConversationFlowRequest (5 properties). Each schema is shown below with its type and property counts.

ConversationFlowResponse
ConversationFlowRequest
object
5 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

retell-conversation-flow-api-openapi.yml Raw ↑

Other APIs Retell AI publishes across the network.

Retell AI Agent API
Retell AI Batch Call API
Retell AI Call API
Retell AI Concurrency API
Retell AI Knowledge Base API
Retell AI Phone Call API
Retell AI Phone Number API
Retell AI Retell LLM API
Retell AI Voice API
Retell AI Web Call API