Access Instructions (Must Read)
This page details the platform access public parameters, signature algorithm, multi-language configuration, common error codes, etc. Please read this page carefully before accessing.
Merchant Notice
Public parameters
Parameter
Location
Required
Type
Description
Signature Algorithm and Example
sign = md5(parameters_in_url + json_string_in_body + signature_key)
Name
Value
CallBack
Parameter
Type
说明
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