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OpenAPI Specification
openapi: 3.2.0
info:
title: HeyForm Auth Submissions API
description: HeyForm is an open-source conversational form builder providing REST and GraphQL endpoints for managing forms, submissions, workspaces, integrations, and webhooks. The primary data API uses GraphQL; this document covers the publicly accessible REST endpoints discovered in the open-source codebase.
version: 1.0.0
contact:
name: HeyForm Support
url: https://docs.heyform.net
license:
name: AGPL-3.0
url: https://github.com/heyform/heyform/blob/main/LICENSE
servers:
- url: https://api.heyform.net
description: HeyForm Cloud API
- url: http://localhost:8000
description: Self-hosted HeyForm instance (default port)
tags:
- name: Submissions
description: Export form submission data
paths:
/api/export/submissions:
get:
operationId: exportSubmissions
summary: Export form submissions as CSV
description: Downloads all submissions for a given form as a CSV file. Requires authentication and the caller must own or have access to the specified form.
tags:
- Submissions
security:
- cookieAuth: []
parameters:
- name: formId
in: query
required: true
description: The unique identifier of the form whose submissions to export.
schema:
type: string
example: abc123xyz
responses:
'200':
description: CSV file containing all form submissions
content:
text/csv:
schema:
type: string
format: binary
headers:
Content-Disposition:
schema:
type: string
example: attachment; filename="My%20Form-2026-06-13.csv"
'400':
$ref: '#/components/responses/BadRequest'
'401':
$ref: '#/components/responses/Unauthorized'
components:
responses:
Unauthorized:
description: Authentication required
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
example:
statusCode: 401
message: Unauthorized
error: Unauthorized
BadRequest:
description: Bad request — invalid input or business logic violation
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
example:
statusCode: 400
message: The form does not exist
error: Bad Request
schemas:
Error:
type: object
properties:
statusCode:
type: integer
message:
type: string
error:
type: string
securitySchemes:
cookieAuth:
type: apiKey
in: cookie
name: heyform_sid
description: Session cookie set by the login mutation or OAuth callback. All authenticated GraphQL mutations and the CSV export endpoint require this cookie.
externalDocs:
description: HeyForm Documentation
url: https://docs.heyform.net