openapi: 3.1.0
info:
  title: Formstack Confirmations Subaccounts API
  description: 'REST API for Formstack — manage forms, fields, submissions, confirmations,

    notifications, webhooks, themes, folders, portals, smart lists, subaccounts,

    submit actions, and partial submissions. Authentication uses OAuth 2.0.


    Detailed endpoint definitions are derived from the public developer portal

    at https://developers.formstack.com/ (machine-readable index at

    https://developers.formstack.com/llms.txt).

    '
  version: 2025.0
  contact:
    name: Formstack Developers
    url: https://developers.formstack.com/
servers:
- url: https://www.formstack.com/api/v2
  description: Production v2
security:
- oauth2: []
tags:
- name: Subaccounts
paths:
  /subaccount.json:
    get:
      summary: List subaccounts
      operationId: listSubaccounts
      tags:
      - Subaccounts
      responses:
        '200':
          description: Subaccounts.
components:
  securitySchemes:
    oauth2:
      type: oauth2
      description: OAuth 2.0 authorization code flow.
      flows:
        authorizationCode:
          authorizationUrl: https://www.formstack.com/api/v2/oauth2/authorize
          tokenUrl: https://www.formstack.com/api/v2/oauth2/token
          scopes:
            forms_read: Read forms
            forms_write: Manage forms
            submissions_read: Read submissions
            submissions_write: Manage submissions