Well, it was too good to last. Infinite SMS, the iPhone app which offered an infinite number of SMS messages by utilizing the SMS chat feature of Google Talk, is no more, as Google has closed off those APIs from third-party developers. To be clear, Google’s free SMS feature isn’t gone. They’ve only blocked non-Google apps like Infinite SMS from utilizing it via any APIs. Free text messages through the Gmail web interface, which we’ve written about previously, still work fine. Here’s the statement from Google,