Basic Rule

User accessing GNAME must follow the following rules when calling API:

Submission Method:         POST method ,

Header:                            Content-Type: application/x-www-form-urlencoded

Data Format:                    The returned data are in JSON format

Character Encoding:         Uniformly adopt UTF-8 character encoding

Signature Algorithm:          MD5

Signature Requirements:  Request data need to verify the signature, please refer to the signature method-Signature method.