hi [mention:960872f3518441288b5d107f11aaa70a:e9ed411860ed4f2ba0265705b8793d05] could you go through this link again check please Record Type Tutorial (Web Service) it is working for me.

Could try this way:[mention:960872f3518441288b5d107f11aaa70a:e9ed411860ed4f2ba0265705b8793d05]
Initially create connected system :

then click on use in new integration : Then create integration and test the rule:
After that create record type : Set data model type of webservice: then click on create record data source:

then click on use existing integration rule:

Then give the previously created integration rule here: Click on next and create the you will be able to see the data