API
To call 1Integrate programmatically, you can call one of its Web Services APIs which allows it to be embedded within a workflow, or be invoked from other software or scripts:
REST API
The API is available from the 1Integrate installation: http://[server]:[port]/1Integrate/rest/.
The API Swagger documentation is available from the 1Integrate installation: http://[server]:[port]/1Integrate/rest/ (e.g. http://[server]:[port]/1Integrate/swagger).
Built-in Function Programmer Guide
The Rule extensibility API allows you to create custom functions ("built-in functions") in Java for use in the 1Integrate rule author.
See the Built-in Function Programmer Guide for more information.