The ThingTweet App allows you to update a Twitter status via ThingSpeak. Twitter requires Open Authentication (OAuth) which is difficult for a low level device to interface with. ThingTweet acts a Twitter proxy, so the device can use Twitter by making simple API calls.
Under the ThingTweet App, select “Link new Twitter account”. This will redirect you to Twitter to see if you want the app to have the ability to access your account. You can Allow or Deny the process. Once you have confirmed the right Twitter account, Twitter will send you back to ThingSpeak.
The app generates a ThingTweet API Key for you to use. If you send an HTTP POST with your ThingTweet API Key, then the message will be relayed to Twitter. All of the parameters from the Twitter API (statuses/update) are possible including geolocation.
ThingTweet URI for Status Updates
Example HTTP POST
api_key=(thingtweet_api_key)&status=I just posted this from my thing!