post https://project-api.zapehr.com/v1/payment/payment-method/set-default
Set a specified payment method for the user as default.
Access Policy Requirements:
Action: Payment:SetDefault
Access Policy Resource: Payment:PaymentMethod
Actions: FHIR:Read,FHIR:Create,FHIR:Update
Access Policy Resource: FHIR:Coverage:*
Action: FHIR:Read,FHIR:Create,FHIR:Update
Access Policy Resource: FHIR:Account:*
Also need to be able to read the patients' details. For example:
Action: FHIR:Read
Access Policy Resource: FHIR:Patient