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

# Register a worker



## OpenAPI

````yaml api-reference/endpoints/workers/api-reference/openapi.json post /api/v1/workers/register
openapi: 3.1.0
info:
  title: Polos Orchestrator API
  description: API for the Polos durable execution platform for AI agents
  contact:
    name: Polos Team
    url: https://github.com/polos-dev/polos
  license:
    name: ''
  version: 1.0.0
servers:
  - url: /
    description: Current server
security: []
tags:
  - name: Health
    description: Health check endpoints
  - name: Projects
    description: Project management endpoints
  - name: Agents
    description: Agent definition management
  - name: Tools
    description: Tool definition management
  - name: Workflows
    description: Workflow management
  - name: Executions
    description: Workflow execution management
  - name: Traces
    description: Observability traces
  - name: Events
    description: Event publishing and streaming
  - name: Event Triggers
    description: Event-based workflow triggers
  - name: Schedules
    description: Scheduled workflow execution
  - name: Workers
    description: Worker registration and management
  - name: Deployments
    description: Deployment management
paths:
  /api/v1/workers/register:
    post:
      tags:
        - Workers
      summary: Register a worker
      operationId: register_worker
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RegisterWorkerRequest'
        required: true
      responses:
        '200':
          description: Worker registered
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/RegisterWorkerResponse'
        '400':
          description: Bad request
        '404':
          description: Project not found
        '500':
          description: Internal server error
      security:
        - bearer_auth: []
        - cookie_auth: []
components:
  schemas:
    RegisterWorkerRequest:
      type: object
      description: Request to register a worker
      required:
        - project_id
      properties:
        capabilities:
          description: Worker capabilities
        deployment_id:
          type:
            - string
            - 'null'
          description: Deployment ID (optional, uses latest if not provided)
        max_concurrent_executions:
          type:
            - integer
            - 'null'
          format: int32
          description: Maximum concurrent executions
        mode:
          type:
            - string
            - 'null'
          description: Worker mode (push)
        project_id:
          type: string
          description: Project ID
        push_endpoint_url:
          type:
            - string
            - 'null'
          description: Push endpoint URL for receiving work
    RegisterWorkerResponse:
      type: object
      description: Response after registering a worker
      required:
        - worker_id
      properties:
        worker_id:
          type: string
          description: Assigned worker ID
  securitySchemes:
    bearer_auth:
      type: http
      scheme: bearer
    cookie_auth:
      type: apiKey
      in: cookie
      name: polos_auth

````