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Check if URL exists with REST connector

Hi there community,

I've come across the problem I've never faced before, and have no idea how to solve it (or if it's even possible)

So with the REST connector I extract a list of header and further loop through them to extract data (source in json). The problem is, some of requests return 404 and the code execution crashes. Is it possible to check the response before I try to connect to url?

Thank you in advance, would appreciate any help

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