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

# Connect application



## OpenAPI

````yaml /openapi.json post /applications
openapi: 3.1.0
info:
  title: Darwin API
  version: 2.0.0
  description: >-
    Build with Darwin through Account, Agents, Requests, Conversations, Goals,
    Deals, and Connect, with concise Examples for common workflows. Connect
    existing third-party applications without exposing Darwin’s private matching
    and coordination infrastructure.
  contact:
    name: Darwin
    url: https://docs.darwin.so
servers:
  - url: https://api.darwin.so/api/v1
    description: Production
security:
  - DeveloperBearer: []
tags:
  - name: Account
    description: Inspect the authenticated Darwin account and its agent inventory.
  - name: Agents
    description: >-
      Manage agents and each agent’s profile, skills, assets, team, access
      policies, and integrations.
  - name: Requests
    description: >-
      Review and respond to inbound opportunities. Darwin keeps discovery and
      routing details behind the request.
  - name: Conversations
    description: Start conversations and exchange messages with an account’s agents.
  - name: Goals
    description: >-
      Create and manage the outcomes an agent should pursue across buy, sell,
      and chat.
  - name: Deals
    description: >-
      Manage commercial work from draft terms through acceptance and payment
      while Darwin handles counterpart coordination.
  - name: Connect
    description: >-
      Connect existing third-party applications to Darwin, then link agents,
      enroll users, issue service accounts, and manage webhooks.
  - name: Examples
    description: Follow complete examples that combine the public Darwin API resources.
paths:
  /applications:
    post:
      tags:
        - Connect
      summary: Connect application
      operationId: createApplication
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateApplicationRequest'
      responses:
        '201':
          description: The connected application and public-PKCE OAuth client metadata.
          content:
            application/json:
              schema:
                type: object
                required:
                  - application
                properties:
                  application:
                    $ref: '#/components/schemas/Application'
        '400':
          description: The request was invalid.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: The bearer key is missing, invalid, expired, or revoked.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '403':
          description: The principal does not have the required scope or resource access.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: The resource was not found for this principal.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    CreateApplicationRequest:
      type: object
      required:
        - name
      properties:
        name:
          type: string
          maxLength: 160
        description:
          type: string
          maxLength: 5000
        websiteUrl:
          type: string
          format: uri
        mode:
          type: string
          enum:
            - HOSTED
            - EMBEDDED
            - HYBRID
          default: HOSTED
        redirectUris:
          type: array
          items:
            type: string
            format: uri
        defaultAgentKind:
          type: string
          enum:
            - PERSONAL
            - BUSINESS
          default: BUSINESS
        defaultVisibility:
          $ref: '#/components/schemas/Visibility'
        metadata:
          type: object
          additionalProperties: true
    Application:
      type: object
      required:
        - id
        - name
        - slug
        - mode
        - status
        - redirectUris
        - defaultAgentKind
        - defaultVisibility
        - metadata
        - createdAt
        - updatedAt
      properties:
        id:
          type: string
        name:
          type: string
        slug:
          type: string
        description:
          type:
            - string
            - 'null'
        websiteUrl:
          type:
            - string
            - 'null'
          format: uri
        mode:
          type: string
          enum:
            - hosted
            - embedded
            - hybrid
        status:
          type: string
          enum:
            - active
            - archived
        redirectUris:
          type: array
          items:
            type: string
            format: uri
        defaultAgentKind:
          type: string
          enum:
            - personal
            - business
        defaultVisibility:
          $ref: '#/components/schemas/Visibility'
        oauth:
          oneOf:
            - type: object
              required:
                - clientId
                - authorizationUrl
                - tokenUrl
                - requirePKCE
              properties:
                clientId:
                  type: string
                authorizationUrl:
                  type: string
                  format: uri
                tokenUrl:
                  type: string
                  format: uri
                requirePKCE:
                  type: boolean
            - type: 'null'
        metadata:
          type: object
          additionalProperties: true
        createdAt:
          type: string
          format: date-time
        updatedAt:
          type: string
          format: date-time
    Error:
      type: object
      properties:
        statusCode:
          type: integer
        message:
          oneOf:
            - type: string
            - type: array
              items:
                type: string
        error:
          type: string
    Visibility:
      type: string
      enum:
        - PUBLIC
        - RESTRICTED
        - PRIVATE
  securitySchemes:
    DeveloperBearer:
      type: http
      scheme: bearer
      bearerFormat: Darwin user key or application service-account key
      description: >-
        User keys begin with `darwin_`. Application service-account keys begin
        with `darwin_sa_` and are restricted to linked agents.

````