How to use use app designer to get the first data of any field in ThingSpeak

I want to get the date of the oldest data in any one of the field of ThingSpeak. I checked for different MATLAB documents but I could not find the soluction that I want.

Answer 1

[Christopher Stapels]

Have a look at the read last field api endpoint.The returned data includes the timestamp. To use the API in app designer, use webread and webwrite to call the API. The ThingSpeak IoT data explorer in File Exchange shows some other ways to import and handle data from thingsepak with App designer.