Errors consist of two parts: an error code and a message. Codes are universal, but messages can vary. Here is the error JSON payload:

{
"code":-1121,
"msg":"Invalid symbol."
}

General Server or Network issues

code	description
-1000	An unknown error occured while processing the request.
-1001	Internal error; unable to process your request. Please try again.
-1002	You are not authorized to execute this request. Request need API Key included in . We suggest that API Key be included in any request.
-1003	Requests exceed the limit too frequently.
-1004	You are not authorized to execute this request. User not exit Company
-1006	An unexpected response was received from the message bus. Execution status unknown. OPEN API server find some exception in execute request .Please report to Customer service.
-1007	Timeout waiting for response from backend server. Send status unknown; execution status unknown.
-1014	Unsupported order combination.
-1015	Too many new orders.
-1016	This service is no longer available.
-1017	We recommend attaching Content-Type to all request headers and setting it to application/json
-1020	This operation is not supported.
-1021	Timestamp for this request is outside of the recvWindow. Timestamp for this request was 1000ms ahead of the server's time. Please check the difference between your local time and server time
-1022	Signature for this request is not valid.
-1023	You are not authorized to execute this request, we recommend that you add X-CH-TS to all request headers
-1024	You are not authorized to execute this request, we recommend that you add X-CH-SIGN to the request header

Request issues

code	description
-1100	Illegal characters found in a parameter.
-1101	Too many parameters sent for this endpoint
-1102	A mandatory parameter was not sent, was empty/null, or malformed. Mandatory parameter '%s' was not sent, was empty/null, or malformed. Param '%s' or '%s' must be sent, but both were empty/null!
-1103	An unknown parameter was sent. each request requires at least one parameter. {Timestamp}.
-1104	Not all sent parameters were read. Not all sent parameters were read; read '%s' parameter(s) but was sent '%s'.
-1105	A parameter was empty. Parameter '%s' was empty.
-1106	A parameter was sent when not required. Parameter '%s' sent when not required.
-1111	Precision is over the maximum defined for this asset.
-1112	No orders on book for symbol.
-1116	Invalid orderType. In the current version , ORDER_TYPE values is LIMIT or MARKET.
-1117	Invalid side. ORDER_SIDE values is BUY or SELL
-1118	New client order ID was empty.
-1121	Invalid symbol.
-1136	Order volume lower than the minimum.
-1138	Order price exceeds permissible range.
-1139	This trading pair does not support market trading
-1145	This order type does not support cancellation
-2013	Order does not exist.
-2015	Invalid API-key, IP, or permissions for action.
-2016	Transaction is frozen
-2017	Insufficient balance