why is curl_exec() returning string(1) " ", when the url returns a json on postman

I am using curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); and try to listen to an url. The Url seems to be working fine (at least on postmen i get a full json).

The Problem: i do not get the json string i am hoping for with curl_exec but instead i get a string with a single space in it. Normally i would assume there is a problem with my curl but since a string(0) meens false and mine is a string(1) i must have done something right. sadly i just cant seem to find anything on the net on why it isn´t giving me the full site as string.

Where should i start looking for the problem?

my code for Curl:

    $curl = curl_init();
    curl_setopt($curl,CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);

    // Send the request & save response to $resp
    $resp = curl_exec($curl);
    var_dump($resp);

Thanks a lot!

source https://stackoverflow.com/questions/68966724/why-is-curl-exec-returning-string1-when-the-url-returns-a-json-on-postm

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