Google revoked access to their Adwords API for literally hundreds of developers and applications on the 12th September. Here is what Google said about this:
“We have done this to ensure quality, improve Google products and services and compliance with Adwords API Terms and Conditions.”
Developers have to reapply for their tokens and it can take 5 to 6 weeks before they are re-approved, if they are, that’s it! My personal suspicion is that Google did this to reduce the amount of webspam created with this kind of tools, you know, the good old ‘find profitable keyword, buy exact match domain, write some crappy content and promote the heck out of it’ approach. I really doubt that Google is eager that the information that is meant for Adwords advertisers is used in this way, but that might just me being suspicious …
So your favorite keyword tool is . . . → Read More: Keyword Tool Down! What Now?