Steam authentication failed HTTP 403

Hello i need really help i just bought a vps did everything but iam getting this wierd error

Have you put your steam web api key in the config?

yes …

then it’s not a valid key…?

did you fix it? im hacing same problem

I had the same problem, identify that my problem was that I change the password of my steam user with which I generate the ApiKey, generate a new one and it works.

Still doesn’t work after this step.

Same, did you fix it?

Having same problem. I changed my password still failed