PHP Curl HMAC-SHA1

Question

Need help on this .... I need to get json data from API call from a URL. It said the called need..

1. Content-Type : application/x-www-form-urlencoded
2. HT

Answer 1

Finally I got it.... see the $signature part.

$key = 'APIKEY';
$secret = 'APISECRET';

$timestamp = time();
$signature = hash_hmac('sha1', "timestamp=".$timestamp, $secret);

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://www.domain.com/getticker");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_POSTFIELDS, "timestamp=".time());
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/x-www-form-urlencoded","key: ".$key,"sig: ".$signature));
$response = curl_exec($ch);
curl_close($ch);

echo $response;