HTTP Response and Error Codes

API Errors

Most common API errors are as follows, including message, reason and status code.

Response example:

{
  "error": "API request limit is exceeded",
  "error_code": "API_LIMIT_EXCEEDED",
  "status": "400"
}

status	error_code	error
400	AUTHENTICATION_FAILED	Authentication Token is not set or expired.
400	INVOICE_NOT_EXIST	Invoice does not exist.
400	INVOICE_VERIFIED_ALREADY	It has been verified already.
400	INVOICE_CANCELED_FAIILED	Invoice does not exist, or it cannot be canceled.
400	ORDER_NO_PERMISSION	Order does not exist or permission denied.
400	ORDER_CANCELED_FAIILED	Order does not exist, or it cannot be canceled.
400	ORDER_REFUND_FAILED	Order does not exist, or it`s status is not refundable.
400	ORDER_VERIFIED_ALREADY	Payment has been verified with payment already.
400	ORDER_VERIFIED_PRICE_NOT_MATCH	Payment money does not match the order money, please double check the price.
400	ORDER_VERIFIED_MERCHANT_NOT_MATCH	Payment money does not the order of current merchant , please double check the order.
400	ORDER_NOT_VALID	Order id is not valid.
400	ORDER_PAID_FAILED	Order not exist or is not paid yet.
400	ORDER_MERCHANTID_EXIST	Order with same merchant_order_id exisits.
400	ORDER_NOT_NEW	The current order is not new, and payment method cannot be switched.
400	PAYMENT_NOT_AVAILABLE	The payment method is not working, please retry later.
400	MERCHANT_CALLBACK_STATUS_WRONG	The current payment status not ready to send callback.
400	PARAMETERS_MISSING	Missing parameters.
400	PAY_PRICE_ERROR	Price amount or currency is not set correctly.
400	CREDENTIALS_NOT_MATCH	The email or password does not match.
400	USER_NOT_EXIST	The user does not exist or no permission.
400	USER_FAILED	The user operatioin failed.
400	INVITATION_FAILED	The invitation code is not filled correctly.
400	ERROR	Error.
401	(Unauthorized)	API credentials are not valid
404	(Not Found)	Page, action not found
421	(Too Many Requests)	API request limit is exceeded
500	(InternalServerError)	Server error in MugglePay