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Webhook Response Causing Marketo to Nullify All Values. What Am I Missing?

Question asked by Jesse Andrew on Sep 18, 2018
Latest reply on Sep 18, 2018 by Sanford Whiteman

Right now, when a person is created, we call a web hook that sends the person over to a database cleansing / sourcing solution. If that third party finds a match, they return the updated and normalized information over to Marketo where we map their fields to ours. But when they don't find a match, they return blank values, and Marketo is then nullifying the original values.

 

Shouldn't the web hook only update the value if it returns a response? Or am I missing something?

 

In the lead record activity log:

 

Screen Shot 2018-09-18 at 16.38.35.png

 

Actual web hook call and response:

 

Screen Shot 2018-09-18 at 16.40.43.png

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