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Documentation Index

Fetch the complete documentation index at: https://docs.gate.com/llms.txt

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HTTP StatusError CodeDescriptionSolution
500300000System errorSystem exception, please retry with the same parameters
500300001Internal errorSystem exception, please retry with the same parameters
500400000Unknown errorSystem exception, please retry with the same parameters
200400001Request parameter format errorCheck request data parameters and format
200400002Signature verification failedCheck if the merchant’s signature is correct
200400003Request timestamp timed outCheck the timestamp field in the request header
200400007Unsupported media typeCheck the media type set in the interface
200400020Signature random number errorPlease check whether the random number is empty
200400201Merchant order number already existsPlease verify whether the merchant order number has been submitted repeatedly
200400202Order does not existCheck whether the order has been traded or whether the order number is correct
200400203Merchant number does not existCheck whether the merchant number is correct
200400204Order status is incorrectCheck whether the order has expired, canceled, or closed, and use the query interface if necessary
200400205Invalid currencyCheck the currency type of the order
200400304Refund ID does not existCheck the requested refund ID
200400603Order timed outPlease verify whether the order has expired
200400604Invalid refund-related transaction orderCheck whether the refund transaction order is in a completed state
200400605Insufficient balance in the payment accountInsufficient balance in the payment account
200400607Too many refundsThe number of refunds exceeds the limit
200400608Refund amount exceptionPlease check the refund amount
200400620Duplicate order paymentPlease verify whether the merchant order number has been submitted repeatedly
200400621Incorrect payment amountCheck the requested amount
200400622Exchange rate fluctuations result in payment failureYou can try to apply again
200400623Unsupported currency paymentCheck the payment currency
200400624Invalid order status notification addressCheck whether the callback address provided by the merchant is valid
200500008Corresponding merchant not foundCheck whether the requested merchant ID is correct
200500100Payment QR code expiredReorder and generate a new QR code
200500101Duplicate payment QR codePlease verify the order status
200500103Address payment exchange currency errorExchange rate fluctuations affect the conversion
200500203Unable to query order details for address paymentPlease check whether the address is correct
200500204Invalid recipient ID for refund transaction orderPlease confirm that the recipient of the refund is a Gate user
200500205Refund currency does not matchPlease ensure that the refund currency is one of the order currency or the user’s payment currency
200500206Refund amount exceeds limitPlease check the refund amount of the order
200500207Unable to find the refund order for address paymentPlease confirm whether the refund was successful or check whether the address is correct
200500208Cannot refund orders without a converted addressPlease confirm the type of refund order