Enterprise Internet of Things Handbook

Sending test data

To send data to ThingSpeak, we must do the following:

1. We construct an HTTP request that specifies the write API key for the channel and what data needs to be posted.
2. Once the channel has been created, click on the channel name and then click on the API Keys tab. You should see two keys, as shown here:

3. Make a note of the Write API Key. This key is used when we want to perform write operations.
4. Now, we will construct the GET URL that we will use to send the data: https://api.thingspeak.com/update?api_key=R9XY4AXEG52DJHIT&field1=25&field2=30.
5. Update the previous URL with your Write API Key. The first URL field corresponds ...