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Zapier Cli - App works fine in Cli but not in Zapier UI

I have created an app in Zapier Cli, that calls Fancyhands API. Everything works fine in Cli as I get proper response from API as shown below.

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However, when I push this app to Zapier and try to use it. The API gives error, that one of the parameters is not formatted properly.

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However, this shouldn't be the case, as I am sending same parameters from both CLI and the UI. It looks like the Zapier UI is adding some extra encoding to the parameters. Kindly suggest whats going on here?

Solution

  • The root issue is that fancyhands expects a UTC timestamp for the call_window_start param (like 2020-02-29T11:00:00Z). On the other hand, Zapier takes datetime fields and sends them to the developer in bundle.inputData as TZ-aware (2020-03-02T05:09:08-05:00).

    The solution is therefore to remote the timezone data from the incoming timestamp. Maybe something like new Date(bundle.inputData.call_window_start).toISOString().