# Source: https://docs.pipecat.ai/deployment/pipecat-cloud/rest-reference/endpoint/start.md

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pipecat.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Start an Agent session

> Start a new session with a deployed agent.

This endpoint starts a new instance of a deployed agent. You can optionally create a Daily room for the service to connect to.


## OpenAPI

````yaml POST /{agentName}/start
openapi: 3.0.0
info:
  title: Pipecat Cloud
  version: 1.0.0
  description: Public API for Pipecat Cloud services
servers:
  - url: https://api.pipecat.daily.co/v1/public
    description: Public API server
security:
  - PublicKeyAuth: []
paths:
  /{agentName}/start:
    post:
      summary: Start a service instance
      operationId: startService
      parameters:
        - name: agentName
          in: path
          required: true
          description: Name of the agent to start
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/StartRequest'
      responses:
        '200':
          description: Service started successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StartResponse'
        '400':
          description: Invalid request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      security:
        - PublicKeyAuth: []
components:
  schemas:
    StartRequest:
      type: object
      properties:
        createDailyRoom:
          type: boolean
          default: false
          description: Whether to create a Daily room for the service instance
          example: true
        dailyRoomProperties:
          type: object
          description: >-
            Optional configuration for the Daily room. Only used when
            createDailyRoom is true.


            See [Daily API
            documentation](https://docs.daily.co/reference/rest-api/rooms/config)
            for supported properties.
          example:
            enable_recording: cloud
        dailyMeetingTokenProperties:
          type: object
          description: >-
            Optional configuration for the Daily meeting token. Only used when
            createDailyRoom is true.


            See [Daily API
            documentation](https://docs.daily.co/reference/rest-api/meeting-tokens/config)
            for supported properties.
          example:
            is_owner: true
            enable_auto_recording: true
        enableDefaultIceServers:
          type: boolean
          default: false
          description: >-
            Whether to use the default STUN/TURN ICE servers provided by Pipecat
            Cloud.
          example: true
        transport:
          type: string
          description: Explicitly specify which transport the bot should use.
          enum:
            - daily
            - webrtc
          example: webrtc
        body:
          type: object
          description: >-
            Arbitrary user data / configuration object to pass to the service
            instance. Accessible as the first parameter of the `bot` method or
            custom entry point.


            See the [`Starting Sessions`
            docs](../../fundamentals/active-sessions#passing-data) for more
            information.
          example:
            foo: bar
    StartResponse:
      type: object
      properties:
        dailyRoom:
          type: string
          description: URL of the created Daily room (if createDailyRoom was set to true)
          example: >-
            https://cloud-354b1860310a444ba0f528b6a2f467c4.daily.co/qZbK9nyXCDCmQ0zDDZta
        dailyToken:
          type: string
          description: Token to access the Daily room (if createDailyRoom was set to true)
          example: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...
        sessionId:
          type: string
          description: Session ID for the created session
          example: 639f91d8-d511-4677-a83b-bd7564d5d92f
        iceConfig:
          type: object
          description: >-
            ICE server configuration (only included when enableDefaultIceServers
            is true)
          properties:
            iceServers:
              type: array
              items:
                type: object
                properties:
                  urls:
                    type: array
                    items:
                      type: string
                    description: Array of STUN/TURN server URLs
                  username:
                    type: string
                    description: Authentication username for TURN servers
                  credential:
                    type: string
                    description: Authentication credential for TURN servers
          example:
            iceServers:
              - urls:
                  - stun:stun.cloudflare.com:3478
                  - turn:turn.cloudflare.com:3478?transport=udp
                  - turn:turn.cloudflare.com:3478?transport=tcp
                  - turns:turn.cloudflare.com:5349?transport=tcp
                username: g061f2543c0c7aab7d4b087ad407709...
                credential: e6330e0a539d4cfe9cf9f01b9eb2f...
    ErrorResponse:
      type: object
      properties:
        error:
          type: string
          description: Error message
        code:
          type: string
          description: Error code
  securitySchemes:
    PublicKeyAuth:
      type: http
      scheme: bearer
      description: Authentication using a Pipecat Cloud API token.

````