Zoho People Post API using Postman Error 400 Bad Request

Zoho People Post API using Postman Error 400 Bad Request

I'm trying to update 5000 project names via API in Zoho People using Postman. When I try using JSON I get at HTTP Status 400 - Bad Request error. I suspect I'm not correctly authenticating.

Post: https://people.zoho.com/people/api/forms/json/P_TimesheetJobsList/updateRecord?recordId=XXXXXXXXXXXXXXXXX&inputData={"Project_Name":"Website Designing"}




Authentication Tab under Headers:


Authentication Tab:



Results


In the developer console I'm using Server Based Application:

Using the below parameters:

Which generate the client ID and client secret:
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