常见错误

宇链云将根据不同的请求内容返回不同的HTTP状态码，为了方便开发者定位错误，无论是哪种错误对应的HTTP状态码，都会附带响应body。

body格式

{
  "error": "参见下文【错误名称】",
  "code": "参见下文【错误代码】",
  "msg": "每个错误的详细描述，根据调用情况动态生成，下文不再列出",
  "status": "success|fail",
  "traceId": "错误追踪编号，随工单提交能加快处理速度"
}

错误类型

HTTP状态码	错误代码	错误名称
404	E0640001	notFound
429	E0640002	httpApi_request_exceed_rate_limit
401	E0640003	httpApi_invalid_signature
401	E0640004	httpApi_invalid_timestamp
401	E0640005	httpApi_invalid_appid
400	E0C80001	merchant_login_invalid_credentials1
400	E0C80002	merchant_login_invalid_credentials2
401	E0C80003	merchant_no_loginToken
401	E0C80004	merchant_invalid_token
500	E0C80005	merchant_refund_error
429	E0C80006	merchant_duplicate_payment
400	E0C80007	merchant_unionpay_error
400	E0C80008	merchant_mismatch
400	E0C80009	merchant_profitsharing_exceed_limit
400	E0C8000A	merchant_invalid_paymentchannel_params
400	E0C8000B	merchant_invalid_paymentchannel_params2
400	E0C8000C	merchant_invalid_paymentchannel_params3
400	E0C80009	prepaidId_invalid_state
500	E1F40001	internal_server_error
400	E12C0001	invalid_parameter
403	E12C0002	no_access_permission
400	E12C0003	parameter_out_of_range
500	E12C0004	assert_error
400	E12C0005	exceed_size_limitation
400	E12C0006	input_exceed_precision
500	E12C0007	busy_error
400	E12C0008	duplicate_entity
500	E19A0001	sending_sms_was_failed
400	E1A40001	upload_to_chain_item_bussiness_id_is_duplicate
400	E1A40002	invalid_evtlink
500	E1A40003	blockchain_request_error
500	E1A40004	blockchain_pending_error