<?php
$curl = curl_init();
curl_setopt_array($curl, [
	CURLOPT_URL => "https://rest.coinapi.io/v1/assets",
	CURLOPT_CUSTOMREQUEST => "GET",
	CURLOPT_HTTPHEADER => [
		"X-CoinAPI-Key: 6DAA21F0-BA7C-4D3E-80F6-806F5873D746"
	],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
	echo "cURL Error #:" . $err;
} else {
	echo $response;
}
?>