What's New


Use this page to find out about the updates we've made to our APIs and integrations. Note that:

  • The Release Notes are up-to-date at the time of the release. Further improvements or corrections to our API documentation normally occur in the guides and references only.
  • For some APIs listed on this page, we only support existing integrations. This support will continue until further notice; however, new integrations are not allowed. These are clearly marked.

If you are already integrated with a Fourth API and would like to be kept abreast of changes via email, please fill in this form.


POS Gateway

Connected Apps & Fourth Engage

Workforce Management

UK HR & Payroll

Labor Productivity

Time & Attendance

Fourth Inventory for Hotels


  • Adaco Web API
    This includes the Product & Catalogue resources (previously called the Product API and Catalog API), and the Exchange Rate, Requisitions, and Events resources.
  • Sales Item API
  • Vendor API
  • Sales API
    Use of this API is restricted to existing integrations only.

Fourth Inventory for Restaurants

Recipe & Menu Engineering


New integrations are not supported for the following APIs. However, existing integrations remain supported until further notice.

These APIs have also been known as the Fourth Purchasing & Inventory Web Service and the R9 APIs.

FnB Live

These APIs have also been known as the Fourth API, FnB Admin API and FnB Shop API.