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

# Add DNC entry

> Add a phone number to Do Not Contact list



## OpenAPI

````yaml POST /dnc
openapi: 3.0.3
info:
  title: NativeMessage API
  version: 1.0.0
  description: Complete API documentation for NativeMessage platform
  contact:
    name: NativeMessage Support
    email: support@nativemessage.com
servers:
  - url: https://api-message.nativehub.live/api/v1
    description: Production server
security:
  - BearerAuth: []
  - ApiKeyAuth: []
paths:
  /dnc:
    post:
      tags:
        - DNC
      summary: Add DNC entry
      description: Add a phone number to Do Not Contact list
      operationId: addDNCEntry
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - phone
              properties:
                phone:
                  type: string
                reason:
                  type: string
              example:
                phone: '+8801812345678'
                reason: User opt-out request
      responses:
        '201':
          description: DNC entry added successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DNCEntry'
        '400':
          description: Invalid request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    DNCEntry:
      type: object
      properties:
        id:
          type: string
          format: uuid
        tenant_id:
          type: string
          format: uuid
        phone_number:
          type: string
        reason:
          type: string
        created_at:
          type: string
          format: date-time
      example:
        id: b4c5d6e7-f8a9-0123-bc45-678901234567
        tenant_id: c3d4e5f6-a7b8-9012-cdef-123456789012
        phone_number: '+8801812345678'
        reason: User opt-out request
        created_at: '2026-02-10T11:20:00Z'
    ErrorResponse:
      type: object
      properties:
        error:
          type: string
      example:
        error: Invalid request parameters
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key

````