401 missing authorization

Yii 2.0 REST APIs
1

Hi
Today I get a 401 missing authorization on a API call whereas till yesterday it was running fine, and no changes have been made.

I am not a coder, nor familiar with Yii, and this is an existing project done by someone not available anymore.
Where should I look; I looked at the app.log, hoping to understand what is going on, but no joy.

Thank you

2

Hi keneso, this question is far to open. But API authorizations keys could have an expiration date.

Probably its just a matter of regenerating the key.