Facing issue while running API in postman "No session cookie provided"

I have installed retun-app for create refund request from customer and admin can managed it. while runnig API in postman 1)CreateReturn API and 2)getReturnRequestList API getting error “message”: “No session cookie provided”,

when I checked in the vtex admin GraphQL IDE It is worknig but not working in postman. if any have idea then update it.
Thank you.


Is any have idea about this issue in postman “message”: “No session cookie provided”, Please update it.
Thank you.

Please update ?