openapi: 3.1.0
info:
  title: APIGen Connectors Projects API
  description: The APIGen API provides programmatic access to the APIGen AI-powered API generation platform. It allows you to manage projects, design and generate APIs, define endpoints and schemas, configure connectors to external data sources, deploy APIs to various environments, run automated tests, and manage users and API tokens.
  version: 1.0.0
  contact:
    name: APIGen Support
    url: https://www.apigen.com/support
    email: support@apigen.com
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: https://api.apigen.com/v1
  description: Production
security:
- bearerAuth: []
- apiKey: []
tags:
- name: Projects
  description: Manage API generation projects.
paths:
  /projects:
    get:
      operationId: listProjects
      summary: APIGen List Projects
      description: Returns a paginated list of projects for the authenticated user.
      tags:
      - Projects
      parameters:
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Offset'
      responses:
        '200':
          description: A list of projects.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Project'
                  total:
                    type: integer
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createProject
      summary: APIGen Create a Project
      description: Creates a new API generation project.
      tags:
      - Projects
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ProjectInput'
      responses:
        '201':
          description: Project created.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Project'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
  /projects/{projectId}:
    get:
      operationId: getProject
      summary: APIGen Get a Project
      description: Returns a single project by ID.
      tags:
      - Projects
      parameters:
      - $ref: '#/components/parameters/ProjectId'
      responses:
        '200':
          description: A project.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Project'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    put:
      operationId: updateProject
      summary: APIGen Update a Project
      description: Updates an existing project.
      tags:
      - Projects
      parameters:
      - $ref: '#/components/parameters/ProjectId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ProjectInput'
      responses:
        '200':
          description: Project updated.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Project'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '422':
          $ref: '#/components/responses/ValidationError'
    delete:
      operationId: deleteProject
      summary: APIGen Delete a Project
      description: Deletes a project and all associated resources.
      tags:
      - Projects
      parameters:
      - $ref: '#/components/parameters/ProjectId'
      responses:
        '204':
          description: Project deleted.
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /projects/{projectId}/apis:
    get:
      operationId: listApis
      summary: APIGen List APIs in a Project
      description: Returns all APIs belonging to a project.
      tags:
      - Projects
      parameters:
      - $ref: '#/components/parameters/ProjectId'
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Offset'
      responses:
        '200':
          description: A list of APIs.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Api'
                  total:
                    type: integer
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createApi
      summary: APIGen Create an API
      description: Creates a new API within a project. You can provide a prompt for AI-powered generation or supply an existing OpenAPI specification.
      tags:
      - Projects
      parameters:
      - $ref: '#/components/parameters/ProjectId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ApiInput'
      responses:
        '201':
          description: API created.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Api'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
  /projects/{projectId}/apis/{apiId}:
    get:
      operationId: getApi
      summary: APIGen Get an API
      description: Returns a single API by ID.
      tags:
      - Projects
      parameters:
      - $ref: '#/components/parameters/ProjectId'
      - $ref: '#/components/parameters/ApiId'
      responses:
        '200':
          description: An API.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Api'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    put:
      operationId: updateApi
      summary: APIGen Update an API
      description: Updates an existing API definition.
      tags:
      - Projects
      parameters:
      - $ref: '#/components/parameters/ProjectId'
      - $ref: '#/components/parameters/ApiId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ApiInput'
      responses:
        '200':
          description: API updated.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Api'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '422':
          $ref: '#/components/responses/ValidationError'
    delete:
      operationId: deleteApi
      summary: APIGen Delete an API
      description: Deletes an API and its endpoints.
      tags:
      - Projects
      parameters:
      - $ref: '#/components/parameters/ProjectId'
      - $ref: '#/components/parameters/ApiId'
      responses:
        '204':
          description: API deleted.
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  responses:
    NotFound:
      description: Resource not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Authentication required.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    ValidationError:
      description: Validation error.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  parameters:
    ApiId:
      name: apiId
      in: path
      required: true
      schema:
        type: string
        format: uuid
    ProjectId:
      name: projectId
      in: path
      required: true
      schema:
        type: string
        format: uuid
    Limit:
      name: limit
      in: query
      schema:
        type: integer
        default: 20
        maximum: 100
    Offset:
      name: offset
      in: query
      schema:
        type: integer
        default: 0
  schemas:
    ApiInput:
      type: object
      properties:
        name:
          type: string
          minLength: 1
          maxLength: 255
        description:
          type: string
        version:
          type: string
        prompt:
          type: string
          description: Natural language prompt for AI-powered API generation.
        specUrl:
          type: string
          format: uri
          description: URL to an existing OpenAPI specification to import.
      required:
      - name
    ProjectInput:
      type: object
      properties:
        name:
          type: string
          minLength: 1
          maxLength: 255
        description:
          type: string
      required:
      - name
    Project:
      type: object
      properties:
        id:
          type: string
          format: uuid
        name:
          type: string
        description:
          type: string
        status:
          type: string
          enum:
          - active
          - archived
        createdAt:
          type: string
          format: date-time
        updatedAt:
          type: string
          format: date-time
      required:
      - id
      - name
      - status
      - createdAt
      - updatedAt
    Api:
      type: object
      properties:
        id:
          type: string
          format: uuid
        projectId:
          type: string
          format: uuid
        name:
          type: string
        description:
          type: string
        version:
          type: string
        generationSource:
          type: string
          enum:
          - prompt
          - spec
          - manual
        status:
          type: string
          enum:
          - draft
          - generated
          - published
        createdAt:
          type: string
          format: date-time
        updatedAt:
          type: string
          format: date-time
      required:
      - id
      - projectId
      - name
      - version
      - status
      - createdAt
      - updatedAt
    Error:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
            message:
              type: string
            details:
              type: array
              items:
                type: object
                properties:
                  field:
                    type: string
                  message:
                    type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
    apiKey:
      type: apiKey
      in: header
      name: X-API-Key