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

# Add/Update Agency Phone Number

> Add or update an agency phone number. Note: Requires Agency API Key.



## OpenAPI

````yaml POST /agency/phone
openapi: 3.1.0
info:
  title: Outbox AI API
  description: API for managing AI agents (chatbots and voicebots) on the Outbox platform
  version: 1.0.0
servers:
  - url: https://api.getoutbox.ai
security: []
paths:
  /agency/phone:
    post:
      summary: Add/Update Agency Phone Number
      description: 'Add or update an agency phone number. Note: Requires Agency API Key.'
      requestBody:
        description: Phone number details
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AgencyPhoneNumberCreate'
      responses:
        '200':
          description: Phone number added/updated successfully
        '400':
          description: Bad Request - Invalid phone number or missing required fields
        '401':
          description: Unauthorized - Invalid or missing agency API key
        '403':
          description: Forbidden - Requires agency admin access
components:
  schemas:
    AgencyPhoneNumberCreate:
      type: object
      required:
        - type
        - integration
        - friendly_name
        - phone_number
      properties:
        phone_number_id:
          type: string
          description: For updates only
        type:
          type: string
          enum:
            - phone_number
            - verified_caller_id
        integration:
          type: string
          enum:
            - twilio
            - vonage
            - telnyx
            - sip
        friendly_name:
          type: string
        phone_number:
          type: string
        inbound_cost:
          type: number
          default: 0
        outbound_cost:
          type: number
          default: 0
        charge_per_second:
          type: boolean
          default: false
        rebill_on:
          type: boolean
          default: false
        sip_uri:
          type: string
          description: Required for SIP integration
        sip_username:
          type: string
          description: Required for SIP integration
        sip_password:
          type: string
          description: Required for SIP integration

````