Receipt API posting with Error

[silambarasan_RS]

For posting receipt from third party application in sap customer checkout i used below API for posting the same.

http://192.168.0.212:8080/ccos/api/internal/sync/receipts(POST)

But i am getting bad request error: Organization id is missing. I have added both PosId and Pos Group in the API.

Even after same error is throwing

{ "errorCode": "1002", "errorMessage": "The ID is missing for the organizational unit" }

In API swagger document help total 1500 plus lines of field.And Not able to find out which are mandatory feild need to given.

Please help .

Thanks in Advance,