If you visit the main Tesco API Developers Portal you will see an updated message (3rd Sep 2012). Registration for new developer keys is still disabled however if you have already registered for a key then you can email your developers key (NOT your application keys) to nick@lansley.com and your keys will probably be cross referenced with the log files to make sure you have not been abusing the API and if your truly committed to innovation then I am assuming your developers key will be re-enabled.
Read More