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

# Link contact to object

> Link an existing contact to an object. The alias `/api/v1/link-object-to-contact/{object_id}` is also accepted.



## OpenAPI

````yaml /openapi.yaml post /api/v1/link-contact-to-object/{object_id}
openapi: 3.1.0
info:
  title: Voxworks API
  version: 1.0.0
  description: >-
    Public REST API for creating contacts, scheduling calls, retrieving call
    results, managing lists and objects, and receiving automation webhooks.
servers:
  - url: https://api.voxworks.ai
    description: Production
security:
  - BearerAuth: []
tags:
  - name: Health
  - name: Contacts
  - name: Calls
  - name: Lists
  - name: Objects
  - name: Webhooks
paths:
  /api/v1/link-contact-to-object/{object_id}:
    post:
      tags:
        - Objects
      summary: Link contact to object
      description: >-
        Link an existing contact to an object. The alias
        `/api/v1/link-object-to-contact/{object_id}` is also accepted.
      operationId: linkContactToObject
      parameters:
        - $ref: '#/components/parameters/ObjectId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - contact_id
              properties:
                contact_id:
                  type: string
                metadata:
                  type: object
                  additionalProperties: true
      responses:
        '200':
          description: Contact linked.
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                  link:
                    type: object
                    additionalProperties: true
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalServerError'
components:
  parameters:
    ObjectId:
      name: object_id
      in: path
      required: true
      schema:
        type: string
      description: Unique object ID.
  responses:
    BadRequest:
      description: Missing or invalid request data.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: Missing, malformed, or invalid authorization.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          examples:
            invalid:
              value:
                success: false
                message: Invalid API key
    NotFound:
      description: The requested resource was not found or does not belong to your team.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    RateLimited:
      description: Rate limit exceeded.
      headers:
        Retry-After:
          schema:
            type: string
        X-RateLimit-Limit:
          schema:
            type: string
        X-RateLimit-Remaining:
          schema:
            type: string
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            success: false
            message: Rate limit exceeded
    InternalServerError:
      description: Internal server error.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            success: false
            message: Internal server error
  schemas:
    ErrorResponse:
      type: object
      required:
        - success
        - message
      properties:
        success:
          type: boolean
          example: false
        message:
          type: string
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: API key
      description: 'API key from Voxworks, sent as `Authorization: Bearer YOUR_API_KEY`.'

````