openapi: 3.0.3
info:
  title: Vonage Communications Applications Voice API
  description: Vonage provides cloud communications APIs for voice, SMS, messaging, video, and verification. The Vonage API platform enables businesses to build communication features into applications including voice calls, SMS, video conferencing, two-factor authentication, and number management.
  version: 1.0.0
  contact:
    name: Vonage Developer Support
    url: https://api.support.vonage.com/hc/en-us
  termsOfService: https://www.vonage.com/legal/
servers:
- url: https://api.nexmo.com
  description: Vonage API Main Server
- url: https://rest.nexmo.com
  description: Vonage REST API Server
security:
- basicAuth: []
- bearerAuth: []
tags:
- name: Voice
  description: Create and control voice calls
paths:
  /v1/calls:
    get:
      operationId: listCalls
      summary: List Calls
      description: Retrieve details of your calls.
      tags:
      - Voice
      security:
      - bearerAuth: []
      parameters:
      - name: status
        in: query
        schema:
          type: string
          enum:
          - started
          - ringing
          - answered
          - machine
          - completed
          - busy
          - cancelled
          - failed
          - rejected
          - timeout
          - unanswered
        description: Filter by call status.
      - name: date_start
        in: query
        schema:
          type: string
          format: date-time
        description: Return calls created after this date.
      - name: date_end
        in: query
        schema:
          type: string
          format: date-time
        description: Return calls created before this date.
      - name: page_size
        in: query
        schema:
          type: integer
          default: 10
          maximum: 100
        description: Number of results per page.
      - name: record_index
        in: query
        schema:
          type: integer
          default: 0
        description: Start index for pagination.
      responses:
        '200':
          description: Calls retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CallList'
    post:
      operationId: createCall
      summary: Create an Outbound Call
      description: Create an outbound Call to a Phone Number or SIP Endpoint.
      tags:
      - Voice
      security:
      - bearerAuth: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateCallRequest'
      responses:
        '201':
          description: Call created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Call'
  /v1/calls/{uuid}:
    get:
      operationId: getCall
      summary: Get Call Details
      description: Get details of a specific call.
      tags:
      - Voice
      security:
      - bearerAuth: []
      parameters:
      - name: uuid
        in: path
        required: true
        schema:
          type: string
        description: The unique identifier for the call.
      responses:
        '200':
          description: Call details retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Call'
    put:
      operationId: updateCall
      summary: Modify an In-Progress Call
      description: Modify an in-progress call.
      tags:
      - Voice
      security:
      - bearerAuth: []
      parameters:
      - name: uuid
        in: path
        required: true
        schema:
          type: string
        description: The unique identifier for the call.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                action:
                  type: string
                  enum:
                  - hangup
                  - mute
                  - unmute
                  - earmuff
                  - unearmuff
                  - transfer
                  description: The action to take on the call.
                destination:
                  type: object
                  description: Transfer destination (for transfer action).
      responses:
        '204':
          description: Call updated successfully
  /v1/calls/{uuid}/stream:
    put:
      operationId: playAudioStream
      summary: Play Audio Into a Call
      description: Play an audio file into a call.
      tags:
      - Voice
      security:
      - bearerAuth: []
      parameters:
      - name: uuid
        in: path
        required: true
        schema:
          type: string
        description: The unique identifier for the call.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - stream_url
              properties:
                stream_url:
                  type: array
                  items:
                    type: string
                  description: An array of URLs to stream the audio from.
                loop:
                  type: integer
                  default: 1
                  description: Number of times to play the audio.
      responses:
        '200':
          description: Audio stream started
    delete:
      operationId: stopAudioStream
      summary: Stop Audio Stream in a Call
      description: Stop playing an audio file into a call.
      tags:
      - Voice
      security:
      - bearerAuth: []
      parameters:
      - name: uuid
        in: path
        required: true
        schema:
          type: string
        description: The unique identifier for the call.
      responses:
        '200':
          description: Audio stream stopped
  /v1/calls/{uuid}/talk:
    put:
      operationId: playTextToSpeech
      summary: Play Text-to-Speech in a Call
      description: Play text to speech into a call.
      tags:
      - Voice
      security:
      - bearerAuth: []
      parameters:
      - name: uuid
        in: path
        required: true
        schema:
          type: string
        description: The unique identifier for the call.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - text
              properties:
                text:
                  type: string
                  description: Text to be read to the callee.
                voice_name:
                  type: string
                  description: The voice to use for text-to-speech.
                loop:
                  type: integer
                  default: 1
                  description: Number of times to repeat the text.
      responses:
        '200':
          description: Text-to-speech started
    delete:
      operationId: stopTextToSpeech
      summary: Stop Text-to-Speech in a Call
      description: Stop playing text to speech in a call.
      tags:
      - Voice
      security:
      - bearerAuth: []
      parameters:
      - name: uuid
        in: path
        required: true
        schema:
          type: string
        description: The unique identifier for the call.
      responses:
        '200':
          description: Text-to-speech stopped
components:
  schemas:
    Call:
      type: object
      properties:
        uuid:
          type: string
          description: Unique identifier for the call.
        conversation_uuid:
          type: string
        status:
          type: string
          enum:
          - started
          - ringing
          - answered
          - machine
          - completed
          - busy
          - cancelled
          - failed
          - rejected
          - timeout
          - unanswered
        direction:
          type: string
          enum:
          - outbound
          - inbound
        rate:
          type: string
        price:
          type: string
        duration:
          type: string
        start_time:
          type: string
          format: date-time
        end_time:
          type: string
          format: date-time
        network:
          type: string
        from:
          type: object
          properties:
            type:
              type: string
            number:
              type: string
        to:
          type: object
          properties:
            type:
              type: string
            number:
              type: string
    CreateCallRequest:
      type: object
      required:
      - to
      - from
      - ncco
      properties:
        to:
          type: array
          items:
            type: object
            properties:
              type:
                type: string
                enum:
                - phone
                - sip
                - websocket
                - vbc
              number:
                type: string
        from:
          type: object
          properties:
            type:
              type: string
            number:
              type: string
        ncco:
          type: array
          description: Vonage Call Control Object instructions.
          items:
            type: object
        record:
          type: boolean
          description: Record the call.
        answer_url:
          type: array
          items:
            type: string
          description: Answer webhook URL.
        event_url:
          type: array
          items:
            type: string
          description: Event webhook URL.
    CallList:
      type: object
      properties:
        count:
          type: integer
        page_size:
          type: integer
        record_index:
          type: integer
        _embedded:
          type: object
          properties:
            calls:
              type: array
              items:
                $ref: '#/components/schemas/Call'
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: Base64-encoded API key and secret joined by a colon.
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: JWT token for application-level authentication.