Have you read the documentation?

• Yes, but it does not include related information regarding my question.
• Yes, but the steps described in the documentation do not work on my machine.
• Yes, but I am having difficulty understanding it and want clarification.

You are setting up gotify in

• Docker
• Linux native platform
• Windows native platform

Describe your problem
I have defined an application in Gotify.
How can I verify using curl syntax if the token is working correctly fetching data via API?

Any errors, logs, or other information that might help us identify your problem
Running this command
curl -L -k -H 'X-Gotify-Key:ASaG-yml6So3yx-' http://gotify.example.com:8680/client
or
curl -L -k "http://gotify.example.com:8680/client?token=ASaG-yml6So3yx-"
fails with error:
{"error":"Unauthorized","errorCode":401,"errorDescription":"you need to provide a valid access token or user credentials to access this api"}