Retell AI

aid: retell-ai
url: https://raw.githubusercontent.com/api-evangelist/retell-ai/refs/heads/main/apis.yml
name: Retell AI
x-type: company
description: >-
  Retell AI provides voice AI infrastructure for building conversational agents with
  low-latency turn detection, interruption handling, tool calling, knowledge bases, and
  conversation flows. The Retell SDK exposes a published OpenAPI spec covering agents,
  calls, voices, knowledge bases, conversation flows, batches, and chat agents.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
  - AI
  - Voice
  - Agents
  - Realtime
  - Conversational
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
  - aid: retell-ai:platform
    name: Retell AI Platform API
    description: >-
      REST API at https://api.retellai.com for managing agents, conversation flows, calls
      (phone and chat), voices, knowledge bases, retell LLM, batch calls, and call analyses.
      Auth is bearer token. OpenAPI spec is published at https://docs.retellai.com/openapi.yaml.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://docs.retellai.com/api-references
    baseURL: https://api.retellai.com
    tags:
      - Voice
      - Agents
      - Calls
      - Knowledge Base
      - Conversation Flow
    properties:
      - type: Documentation
        url: https://docs.retellai.com/api-references
      - type: OpenAPI
        url: openapi/retell-ai-openapi.yml
      - type: SignUp
        url: https://dashboard.retellai.com/
      - type: Pricing
        url: https://www.retellai.com/pricing
common:
  - type: Website
    url: https://www.retellai.com/
  - type: Documentation
    url: https://docs.retellai.com/
  - type: OpenAPI
    url: openapi/retell-ai-openapi.yml
  - type: Plans
    url: plans/retell-ai-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/retell-ai-rate-limits.yml
  - type: FinOps
    url: finops/retell-ai-finops.yml
maintainers:
  - FN: Kin Lane
    email: [email protected]