For Post/PUT/PATCH it is data insert/update so it is a save plan. Follow the steps outlined in the below help to generate connectors for Create Case, Update case
For GET Case data it is data source configure connector for sourcing instead of “save”. Repeat the steps outline in above help , but it should for data source instead of save.
In my scenario, i am able to use the Create Case dxAPI and create the case successfully. But when i try to get the case ID back to the WrokCase from the of the calling application, i have having issues. I savable page created is of pyGUID=null and not able to refer it in the DT that to copy to the Work Class field. I tried to copy the response page and passed it has parameter page out and then tried to refer it in the data transform to copy to the work case. Either way it is not working. Please need help on this.