我尝试了我的第一个 API 调用,但仍然有问题。我添加了我的 API-Key,选择了符号并试图呼应价格。但它仍然无效。但我的回声仍然是 0。也许有人告诉我我做错了什么。谢谢!
<?php
$coinfeed_coingecko_json = file_get_contents('https://pro-api.coinmarketcap.com/v1/cryptocurrency/listings/latest?symbol=ETH');
$parameters = [
'start' => '1',
'limit' => '2000',
'convert' => 'USD'
];
$headers = [
'Accepts: application/json',
'X-CMC_PRO_API_KEY: XXX'
];
$qs = http_build_query($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
$coinfeed_json = json_decode($coinfeed_coingecko_json, false);
$coinfeedprice_current_price = $coinfeed_json->data->{'1'}->quote->USD->price;
?>
<?php echo $coinfeedde = number_format($coinfeedprice_current_price, 2, '.', ''); ?>
API 文档:https ://coinmarketcap.com/api/v1/#operation/getV1CryptocurrencyListingsLatest