# System Overview

Submission Method

  • Use HTTP protocol with POST+JSON format for submission.

Character Encoding

  • Use UTF-8 character encoding uniformly.

Data Format

  • All communications use JSON format.

Signature Algorithm

  • MD5 signature result is a lowercase MD5 string.

Access Method

  • Web page access and API access.

Language Setting

  • Add language parameter in the header: Accept-Language: en/zh-hans/zh-hant/id.