Protocol Rules

Merchants accessing the PayerMax service and calling the API must follow the following rules:

Transmission Method	In order to ensure transaction security, HTTPS transmission is adopted, andTLS version should not be lower than 1.2. For details, please refer to TLS Upgrade Instructions
Submission Method	Submit by POST method
Data Format	Submit and return data in application/json format
Character Encoding	uniformly use UTF-8 character encoding
Signature Algorithm	SHA256WithRSA
Signature Requirements	Both request and received data need to verify the signature. For details, please refer to
Process Logic	first refer to the return of the protocol field, then refer to the code in the response message, and finally refer to the transaction status