How to read data in thingspeak using rest client?
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I have this new URL and want to read all my fields channels, i have created today. My arduino does receieves messages currently, but i am unable to read non of them. What could the reason? Must it be a day to get data to be read? Output is -1 Rest Client response bad request.
Hans Scharler on 5 Dec 2019
Hi. You are close. You also need to provide a Read API Key.
Look under the API Keys tab of your channel.