只是通过 API 获取一些数据的简单测试不起作用。我使用他们自己网站上的 PHP 示例,但没有打印结果。来源:https : //pro.coinmarketcap.com/api/v1#section/Quick-Start-Guide 我做错了什么吗?我使用带有演示 API 密钥的沙盒环境。Curl 安装在我的服务器上。非常感谢!
<?php
$url = 'https://sandbox-api.coinmarketcap.com/v1/cryptocurrency/listings/latest';
$parameters = [
'start' => '1',
'limit' => '5000',
'convert' => 'USD'
];
$headers = [
'Accepts: application/json',
'X-CMC_PRO_API_KEY: b54bcf4d-1bca-4e8e-9a24-22ff2c3d462c'
];
$qs = http_build_query($parameters); // query string encode the parameters
$request = "{$url}?{$qs}"; // create the request URL
$curl = curl_init(); // Get cURL resource
// Set cURL options
curl_setopt_array($curl, array(
CURLOPT_URL => $request, // set the request URL
CURLOPT_HTTPHEADER => $headers, // set the headers
CURLOPT_RETURNTRANSFER => 1 // ask for raw response instead of bool
));
$response = curl_exec($curl); // Send the request, save the response
print_r(json_decode($response)); // print json decoded response
curl_close($curl); // Close request
?>