Description
When making an API request in Agora Signaling, it returns an error:
Error Code: 400
Error: { message: 'appid is invalid' }
This occurs even though the provided appID is correct.
Root Cause
This error usually indicates that the Signaling service is not enabled or fully configured.
Solution
Go to your Agora console. In the Project list, select your project and click Configure.
Under this, navigate to the All Features section, look for Signaling, and then go to Basic Information.
Check if the Data Center is selected. If not, ensure you set the corresponding Data Center based on your geographical location.
# If you are using Stream Channel, please go to the Stream Channel Configuration and click Enable.