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Hi Anonymous,

According to your snapshot, it seems like you add too long query string in the web connector URL.

For the query string parameters, we can add some simple filter conditions in the query string instead of a full query.

browser - What is the maximum possible length of a query string? - Stack Overflow
In my opinion, I'd like to suggest you contact the API developer if you need to send a long query. Then you can use send these queries to other parts of requests. (e.g. request header, body)

Regards,
Xiaoxin Sheng