We are following the steps outlined in the following article found on the Broadcom Academy:
We are encountering authentication failures or errors (401s, 403s) when attempting to connect AppNeta data sources to Grafana, even when using a valid API token.
The issue is often caused by incorrect syntax in the Authorization Header. Specifically, including a colon (:) between the word "Token" and the actual API key will cause the request to fail.
To resolve authentication errors, ensure the token is formatted correctly without a colon.
Incorrect Format: "Token: abc123"
Correct Format: "Token abc123"