API Rate Limit by ??? | ThingSpeak API | Forum

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API Rate Limit by ???
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March 28, 2011
11:27 pm

Forum Posts: 7
Member Since:
March 28, 2011
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According to the API documentation "The open service via ThingSpeak.com has a rate limit of an update every 15 seconds.", but to what does this rate limit apply? Does it apply per account, per channel or per field?

For example, say I have a channel for temperatures with 4 fields mapped to 4 thermal probes. Each hour I kick off a process to update ThingSpeak. For simplicity I would prefer that my application update a ThingSpeak field as data becomes available from the corresponding probe rather than wait for all probes related to the channel to return their data. Can I update my channel with 4 separate POST requests (1 per field) in less than 15 seconds? or…

Do I need to wait 15 seconds between POSTs to each field?
Do I need group all 4 sensor readings into a single POST request?
Are my assumptions correct or should separate sensors really be on separate channels etc…



March 29, 2011
12:56 am

Forum Posts: 457
Member Since:
March 14, 2011
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The rate limit is per channel.  You can send all your data for the 4 fields as one POST, or you can make a separate channel for each of your sensors.

March 29, 2011
10:38 am

Forum Posts: 7
Member Since:
March 28, 2011
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OK, Got it. Now I need to figure out what makes the most sense on my end...


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