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:3.0.0
Update time:2025-08-04 15:21:24
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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
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PHP SDK
Python SDK
Java SDK-version:3.9.5
2025-04-14 13:33:35
Update content:
公司信息接口添加参数registerNo。
Please refer to the example code：https://github.com/qiyuesuo/sdk-java-sample
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