Secure Instagram request with php using cURL

I've been struggling with this for a while now and still could not find a clear guide to do this.

If I want to make requests to Instagram API using cURL, I do it like this:


$url = "";

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, $url);




It works fine, but it's a bit insecure and thats why I'd like to do it with signed request, which uses this sig-parameter.

Now, I can easily create that sig-parameter(signature key) using the code found from here, but how to use that signature with PHP?

I'm totally confused.


The answer is hinted at Instagram's documentation page. Still this is how I did:

  • Use the generate signature php function mentioned there to generate $sig.
  • Attach it to your endpoint using http_build_query() like this:

    $endpoint = "";
    $secured_get_fields = array(
        "access_token" => $access_token,
        //other get fields as required
        "sig" => $sig
    $api_url = $endpoint . "?" . http_build_query($secured_get_fields);
  • Call with this $api_url

Hope it helps!

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