get https://cac-api.cashfree.com/cac/v1/va/
Example URL with GET query params for vAccountId:
/cac/v1/va/virtual
Example URL with GET query params for virtualVPAId:
/cac/v1/va/john
Example URL with GET query params for vAccountId:
/cac/v1/va/virtual
Example URL with GET query params for virtualVPAId:
/cac/v1/va/john