Deleting data from the server

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I am looking delete data from the Thingspeak server so that I don't have to downlaod the same data every time.

I have > 110,000 lines of data over the past two years and the files are up to 67MB. The file is taking several minutes to downlaod and handeling this much data in Excel is also slow.

Is there a way I can clear the data on the server and start recording again?

Thanks,

Eric

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Answer 1

Cris LaPierre 2025-3-7

移动：Christopher Stapels 2025-3-10

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I think Clear Channel does what you want: https://www.mathworks.com/help/thingspeak/clearchannel.html

Also discussed here: https://www.mathworks.com/matlabcentral/discussions/thingspeak/135318-i-can-get-data-from-a-channel-but-cannot-delete-the-data

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Christopher Stapels 2025-3-10

编辑：Christopher Stapels 2025-3-10

You can also clear your channel in the channel settings tab of your channel view.

Be careful though:

1. There is no undo for the delete operation.

2. You can also delete the channel using the button just below the clear channel button, and you cannot undo that either.

and there is also an HTTP operation for the channel delete as well (careful!)

https://www.mathworks.com/help/thingspeak/deletechannel.html

Eric 2025-3-10

Thanks alot Cris and Christopher!

I am using the system for an experiment for the next few days, but I will try this out once it finishes.

Many thanks!

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