Open API for JSON-based custom services in AX 7

If you’re familiar with SOAP web services, you likely know that they use Web Services Description Language (WSDL) to document what operations a service provide, what parameters they accept, what they return and so on. This information can be used to generate proxy classes, which you can use to communicate with remote systems simply by calling class methods and all implementation details are handled for you under the hood.

While SOAP-based services offer many configuration options (e.g. you can switch from TCP to HTTP just by changing a config) and great tooling, sometimes it’s beneficial to use a less sophisticated approach