ThingSpeak has experienced tremendous growth over the past 6 years and we continue to add new users from all over the world who are building amazing IoT projects that use ThingSpeak and MATLAB.
As the ThingSpeak user community grows, we have been hearing requests for sending many millions of messages to ThingSpeak, connecting more devices, and building scalable commercial solutions. To address these requests, we are releasing new paid options for ThingSpeak. For more information, see the How to Buy page and the ThingSpeak licensing FAQ.
ThingSpeak users can continue to send up to 3 million messages per year for free (about 8200 messages per day). That satisfies the needs of 99.5% of the user community. To determine how many messages you are using, you can login and look at your account usage.
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I can not log on my Thingspeak account after this change. It says “Invalid Username or Password” all the time. When I tried to recover the password, it does not send me any email. Please, help me !
Make sure you are signing in with the email address and not the user ID. Let us know if that helps. Thanks.
Ok, everything works now ! Thank You for Your help, as You said – I needed to just use my email address instead of my user ID :).