Tag Info

I found answer myself and posted in my blog post StackAlert Firefox Extension error key is not valid for passed access_token Solution in brief When you remove the application from StackExchange apps, and even after uninstalling the extension from Firefox, you will still have traces of that extension in Firefox. To make this extension work again, we have ...

key is your app key, access_token identifies a user (and a set of permissions) and is what you get at the end of an authentication flow. Keys are not secret, for example here's what the Documentation Console's registration looks like: You can find your app key by going to Manage Your Applications (in the Stack Apps homepage sidebar) and selecting one of ...