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

# Add a phone number



## OpenAPI

````yaml https://api.callers.ai/openapi-json post /organization/{sipId}/phone-number
openapi: 3.0.0
info:
  title: Callers API
  description: API documentation for Callers, providing endpoints for seamless integration.
  version: 1.0.0
  contact: {}
servers:
  - url: https://api.callers.ai
security: []
tags: []
paths:
  /organization/{sipId}/phone-number:
    post:
      tags:
        - Organizations
      summary: Add a phone number
      operationId: OrganizationPublicController_addPhoneNumbers
      parameters:
        - name: sipId
          required: true
          in: path
          schema:
            type: string
        - name: x-sub-organization-id
          in: header
          schema:
            type: string
          description: >-
            Optional sub organization ID. Must belong to your main organization
            API key.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AddPhoneNumbersDto'
      responses:
        '201':
          description: phone number Created successfully.
        '400':
          description: ''
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                    enum:
                      - error
                  message:
                    type: string
                  data:
                    type: array
                    items:
                      type: object
        '403':
          description: ''
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                    enum:
                      - error
                  message:
                    type: string
        '404':
          description: ''
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                    enum:
                      - error
                  message:
                    type: string
      security:
        - Authorization: []
components:
  schemas:
    AddPhoneNumbersDto:
      type: object
      properties:
        phoneNumbers:
          description: Array of phone numbers with country codes
          example:
            - '14155552671'
            - '+442071234567'
          type: array
          items:
            type: string
      required:
        - phoneNumbers
  securitySchemes:
    Authorization:
      type: apiKey
      in: header
      name: Authorization

````