9-11: Custom Integration Step (webhooks) for Productiv workflows

Renewal and purchase workflows now support integration with any 3rd party application.

• The custom integration step comes with the ability to push data from a Productiv workflow to any 3rd party application using webhooks
• Additionally we have added support for a public API that can be used to resume workflows in Productiv
• These can be easily integrated using an iPaaS (Integration Platform as a Service) tool like Zapier/Workato which immediately gives access to a large library of 3rd party applications
• Customer can also writing their own custom service that acts as a middleware to connect Productiv to any app using these webhooks/APIs.