Formstack · Open Collection

Formstack API

39
Requests
8
Folders
2025
Version
View on GitHub Raw JSON FormsDocumentsE-SignatureWorkflow AutomationNo-CodeOAuthAuthenticationOpen Collection

Overview

Formstack API is a Open Collection published by Formstack on the APIs.io network, version 2025.

The collection contains 39 requests organised into 8 folders.

Tagged areas include Forms, Documents, E-Signature, Workflow Automation, and No-Code.

Requests & Folders

Forms
Fields
Submissions
Confirmations
Notifications
Webhooks
Folders
Subaccounts

Related API Specs

Formstack Webhooks API (AsyncAPI) Formstack Partner API (OpenAPI)
Back to Formstack · All Collections · GitHub

Work with this as data

Every collection here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for collections

4 MCP tools reach this
  • find_collectionsBrowse and filter every collection in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This collection 
curl "https://apis.io/api/v1/collections/open-formstack"
All collections 
curl "https://apis.io/api/v1/collections?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.