- Introduce the API Gateway signing SDK in the project.
- Download the API Gateway signing tool from the following link:
https://apig-demo.obs.eu-de.otc.t-systems.com/java/java-sdk-core.zip
- Decompress the downloaded package to obtain a .jar file.
- Add the decompressed .jar file to a project, for example, Eclipse, as a dependency package. See the following figure.
- Download the API Gateway signing tool from the following link:
- Sign the request.
The signing method is integrated into the .jar file added in 1. Before sending the request, sign the requested content. The signature obtained is included in the HTTP header of the request.
For details, see Sample Code.
The JDK version cannot be earlier than 1.8.