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Marketo API: 1004 Error

Question asked by Aaron Startkston on Jul 11, 2019
Latest reply on Jul 12, 2019 by Jep Castelein

I am receiving a "1004" error saying a lead is not found when trying to POST to Marketo. I can confirm this lead exists in our Marketo instance, and we even send a GET request beforehand to ensure the lead exists. I've also confirmed the fields we're trying to update exist in Marketo. What is the best way to troubleshoot this?

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