openapi: 3.0.1
info:
  title: Formbricks Action Classes Surveys API
  description: REST API for Formbricks, the open-source experience management and survey platform. The Management API (paths under /v1/management and /v2/management) requires a personal API key passed in the x-api-key header and gives full access to surveys, responses, contacts, contact attribute keys, action classes, webhooks, and account info. The Public Client API (/v1/client/{environmentId}) is unauthenticated and is used by survey front-ends to create displays and responses.
  termsOfService: https://formbricks.com/terms
  contact:
    name: Formbricks
    url: https://formbricks.com
  license:
    name: AGPL-3.0
    url: https://github.com/formbricks/formbricks/blob/main/LICENSE
  version: '2.0'
servers:
- url: https://app.formbricks.com/api
  description: Formbricks Cloud
tags:
- name: Surveys
  description: Create and manage surveys.
paths:
  /v2/management/surveys:
    get:
      operationId: getSurveys
      tags:
      - Surveys
      summary: List surveys
      description: Returns a paginated list of surveys in the environment.
      security:
      - apiKeyAuth: []
      parameters:
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Skip'
      responses:
        '200':
          description: A list of surveys.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Survey'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createSurvey
      tags:
      - Surveys
      summary: Create a survey
      security:
      - apiKeyAuth: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SurveyInput'
      responses:
        '201':
          description: The created survey.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/Survey'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /v2/management/surveys/{id}:
    parameters:
    - $ref: '#/components/parameters/SurveyId'
    get:
      operationId: getSurvey
      tags:
      - Surveys
      summary: Get a survey
      security:
      - apiKeyAuth: []
      responses:
        '200':
          description: The requested survey.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/Survey'
        '404':
          $ref: '#/components/responses/NotFound'
    put:
      operationId: updateSurvey
      tags:
      - Surveys
      summary: Update a survey
      security:
      - apiKeyAuth: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SurveyInput'
      responses:
        '200':
          description: The updated survey.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/Survey'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deleteSurvey
      tags:
      - Surveys
      summary: Delete a survey
      security:
      - apiKeyAuth: []
      responses:
        '200':
          description: The deleted survey.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/Survey'
        '404':
          $ref: '#/components/responses/NotFound'
  /v2/management/surveys/{id}/contact-links/segments/{segmentId}:
    parameters:
    - $ref: '#/components/parameters/SurveyId'
    - name: segmentId
      in: path
      required: true
      schema:
        type: string
    get:
      operationId: getSurveyContactLinks
      tags:
      - Surveys
      summary: Generate single-use survey links for a segment
      description: Returns personalized single-use survey links for every contact in the given segment.
      security:
      - apiKeyAuth: []
      responses:
        '200':
          description: A list of personalized survey links.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      type: object
                      properties:
                        contactId:
                          type: string
                        surveyUrl:
                          type: string
                          format: uri
components:
  responses:
    BadRequest:
      description: The request body or parameters were invalid.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: The API key is missing or 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'
  parameters:
    Skip:
      name: skip
      in: query
      description: Number of items to skip for pagination.
      schema:
        type: integer
        default: 0
    Limit:
      name: limit
      in: query
      description: Maximum number of items to return.
      schema:
        type: integer
        default: 10
    SurveyId:
      name: id
      in: path
      required: true
      schema:
        type: string
  schemas:
    Survey:
      type: object
      properties:
        id:
          type: string
        createdAt:
          type: string
          format: date-time
        updatedAt:
          type: string
          format: date-time
        name:
          type: string
        type:
          type: string
          enum:
          - link
          - app
        environmentId:
          type: string
        status:
          type: string
          enum:
          - draft
          - inProgress
          - paused
          - completed
        questions:
          type: array
          description: Legacy question list, derived from blocks for backwards compatibility.
          items:
            type: object
        blocks:
          type: array
          description: Current block-based survey structure.
          items:
            type: object
        welcomeCard:
          type: object
        endings:
          type: array
          items:
            type: object
    SurveyInput:
      type: object
      required:
      - name
      - type
      - environmentId
      properties:
        name:
          type: string
        type:
          type: string
          enum:
          - link
          - app
        environmentId:
          type: string
        status:
          type: string
          enum:
          - draft
          - inProgress
          - paused
          - completed
        questions:
          type: array
          items:
            type: object
    Error:
      type: object
      properties:
        code:
          type: string
        message:
          type: string
        details:
          type: object
          additionalProperties: true
  securitySchemes:
    apiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
      description: Personal API key generated in Formbricks under Settings > API Keys.