Sign efficiently anytime, anywhere
The electronic official seal is loaded into the mobile phone, and contract signing can be done anytime and anywhere.
Scan the QR code on your phone to download the app
Developer: Shanghai Genyan Network Technology Co., Ltd
edition:3.1.5
Update time:2025-12-29 15:13:12
Choose to download based on your system version
SDK Download
Download the SDK installation package according to your development language, and quickly integrate services such as electronic signature, digital archiving, identity authentication and timestamp
Java SDK
C# SDK
PHP SDK
Python SDK
Java SDK-version:3.9.9
2025-12-23 12:17:27
Update content:
企业认证查询认证结果添加授权有效期字段
Please refer to the example code：https://github.com/qiyuesuo/sdk-java-sample
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