HTTP/1.1 400 Bad Request Server: nginx Date: Fri, 11 Feb 2016 19:23:31 GMT Content-Type: application/json Content-Length: 96 Connection: keep-alive Access-Control-Allow-Credentials: true Cache-Control: no-cache, no-store { "error": { "code": "resource_missing", "doc_url": "https://stripe.com/docs/error-codes/resource-missing", "message": "No such coupon: 50_OFF", "param": "coupon", "type": "invalid_request_error" } }