openapi: 3.0.1
info:
  title: Layercode REST Agents Calls API
  description: REST API for the Layercode voice-AI agent platform. Manage agents (voice pipelines), authorize browser client sessions, retrieve session detail and recordings, and initiate outbound phone calls. All requests are authenticated with an org-scoped API key passed as a Bearer token.
  termsOfService: https://layercode.com/terms
  contact:
    name: Layercode Support
    url: https://docs.layercode.com
  version: '1.0'
servers:
- url: https://api.layercode.com/v1
security:
- bearerAuth: []
tags:
- name: Calls
paths:
  /agents/{agent_id}/calls/initiate_outbound:
    post:
      operationId: initiateOutboundCall
      tags:
      - Calls
      summary: Initiate an outbound call
      description: Places an outbound phone call from an assigned phone number to a destination number, connecting the callee to the voice agent.
      parameters:
      - $ref: '#/components/parameters/AgentId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/InitiateOutboundRequest'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InitiateOutboundResponse'
components:
  schemas:
    InitiateOutboundResponse:
      type: object
      properties:
        conversation_id:
          type: string
    InitiateOutboundRequest:
      type: object
      required:
      - from_phone_number
      - to_phone_number
      properties:
        from_phone_number:
          type: string
          description: An assigned Layercode phone number to call from.
        to_phone_number:
          type: string
          description: The destination phone number to dial.
      additionalProperties: true
  parameters:
    AgentId:
      name: agent_id
      in: path
      required: true
      description: The unique identifier of the agent.
      schema:
        type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Org-scoped Layercode API key passed as a Bearer token.