openapi: 3.1.0
info:
  title: PolyAPI Platform API Functions API
  description: PolyAPI is a modern enterprise middleware platform that provides a unified REST API for managing cloud service resources including functions, variables, webhooks, triggers, jobs, schemas, and environments. Built using AI and Kubernetes-native technology, it accelerates development and simplifies the operation of integrations, orchestrations, and microservices.
  version: 1.0.0
  contact:
    name: PolyAPI
    url: https://polyapi.io/
  license:
    name: Proprietary
    url: https://polyapi.io/
  termsOfService: https://polyapi.io/
servers:
- url: https://na1.polyapi.io
  description: North America (AWS us-west-2)
- url: https://eu1.polyapi.io
  description: Europe (AWS eu-west-1)
security:
- bearerAuth: []
tags:
- name: API Functions
  description: Manage API functions that wrap third-party API calls and are invoked through the PolyAPI gateway.
paths:
  /functions/api:
    get:
      operationId: listApiFunctions
      summary: PolyAPI List API functions
      description: Retrieve a list of all API functions in the current environment.
      tags:
      - API Functions
      parameters:
      - $ref: '#/components/parameters/limitParam'
      - $ref: '#/components/parameters/offsetParam'
      responses:
        '200':
          description: A list of API functions.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ApiFunction'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createApiFunction
      summary: PolyAPI Create an API function
      description: Create a new API function that wraps a third-party API call.
      tags:
      - API Functions
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ApiFunctionInput'
      responses:
        '201':
          description: The created API function.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiFunction'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /functions/api/{functionId}:
    get:
      operationId: getApiFunction
      summary: PolyAPI Get an API function
      description: Retrieve details of a specific API function by its ID.
      tags:
      - API Functions
      parameters:
      - $ref: '#/components/parameters/functionIdParam'
      responses:
        '200':
          description: The API function details.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiFunction'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    patch:
      operationId: updateApiFunction
      summary: PolyAPI Update an API function
      description: Update an existing API function.
      tags:
      - API Functions
      parameters:
      - $ref: '#/components/parameters/functionIdParam'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ApiFunctionInput'
      responses:
        '200':
          description: The updated API function.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiFunction'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deleteApiFunction
      summary: PolyAPI Delete an API function
      description: Delete a specific API function by its ID.
      tags:
      - API Functions
      parameters:
      - $ref: '#/components/parameters/functionIdParam'
      responses:
        '204':
          description: The API function was deleted successfully.
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /functions/api/{functionId}/execute:
    post:
      operationId: executeApiFunction
      summary: PolyAPI Execute an API function
      description: Execute an API function by its ID. Requires the Execute Functions permission. Variables can be injected using PolyVariable objects in the request body.
      tags:
      - API Functions
      parameters:
      - $ref: '#/components/parameters/functionIdParam'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/FunctionExecutionInput'
      responses:
        '200':
          description: The execution result.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FunctionExecutionResult'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    FunctionExecutionInput:
      type: object
      properties:
        args:
          type: array
          items:
            description: Function arguments, which may include PolyVariable objects for variable injection.
          description: The arguments to pass to the function. Variables can be injected using PolyVariable objects with pathIdentifier fields.
        polyCustom:
          type: object
          properties:
            async:
              type: boolean
              description: Whether to execute the function asynchronously.
          description: Custom execution options for server functions, including async execution and response handling.
    Error:
      type: object
      properties:
        statusCode:
          type: integer
          description: The HTTP status code.
        message:
          type: string
          description: A human-readable error message.
        error:
          type: string
          description: The error type.
    ApiFunctionInput:
      type: object
      required:
      - name
      - method
      - url
      properties:
        name:
          type: string
          description: The name of the API function.
        description:
          type: string
          description: A description of what the API function does.
        context:
          type: string
          description: The context path for organizing the function.
        method:
          type: string
          enum:
          - GET
          - POST
          - PUT
          - PATCH
          - DELETE
          description: The HTTP method for the API call.
        url:
          type: string
          format: uri
          description: The target URL for the API call.
        headers:
          type: object
          additionalProperties:
            type: string
          description: HTTP headers to include.
        requestBody:
          type: object
          description: The request body schema.
        responseSchema:
          type: object
          description: The expected response schema.
    ApiFunction:
      type: object
      properties:
        id:
          type: string
          description: The unique identifier of the API function.
        name:
          type: string
          description: The name of the API function.
        description:
          type: string
          description: A description of what the API function does.
        context:
          type: string
          description: The context path for organizing the function in the catalog.
        method:
          type: string
          enum:
          - GET
          - POST
          - PUT
          - PATCH
          - DELETE
          description: The HTTP method used by the API function.
        url:
          type: string
          format: uri
          description: The target URL for the API call.
        headers:
          type: object
          additionalProperties:
            type: string
          description: HTTP headers to include in the API call.
        requestBody:
          type: object
          description: The request body schema for the API call.
        responseSchema:
          type: object
          description: The expected response schema.
        state:
          type: string
          enum:
          - active
          - inactive
          - deprecated
          description: The lifecycle state of the function.
        owner:
          type: string
          description: The owner of the function.
        visibility:
          type: string
          enum:
          - public
          - private
          description: The visibility of the function.
        createdAt:
          type: string
          format: date-time
          description: Timestamp when the function was created.
        updatedAt:
          type: string
          format: date-time
          description: Timestamp when the function was last updated.
    FunctionExecutionResult:
      type: object
      properties:
        result:
          description: The return value of the function execution.
        executionId:
          type: string
          description: The unique identifier for this execution.
        executionTime:
          type: number
          description: The execution time in milliseconds.
  parameters:
    offsetParam:
      name: offset
      in: query
      required: false
      description: Number of items to skip for pagination.
      schema:
        type: integer
        default: 0
    limitParam:
      name: limit
      in: query
      required: false
      description: Maximum number of items to return.
      schema:
        type: integer
        default: 25
    functionIdParam:
      name: functionId
      in: path
      required: true
      description: The unique identifier of the function.
      schema:
        type: string
  responses:
    Unauthorized:
      description: Authentication is required or the provided credentials are invalid.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: The requested resource was not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: API Key
      description: PolyAPI uses Bearer token authentication. Include your API key in the Authorization header as 'Bearer {your-api-key}'.
externalDocs:
  description: PolyAPI Documentation
  url: https://docs.polyapi.io/