Formstack's Developer Central site can provide you with all the resources you'll need to create services that rely on the Formstack platform.
3rd Party Formstack Expert Partners
Are you looking for consultation or help building out your use case(s)? Team up with third party Certified Formstack experts to bring your custom projects to life.
Rest API
The Formstack API allows users and 3rd party applications to access Formstack resources programmatically. This API conforms to REST principles.
WebHooks
WebHooks allow you to get HTTP POST notifications when a Formstack form is submitted. Push submitted data to other services or custom scripts.