<?php

// Json olarak post edilmesi gerekiyorsa
$post = json_encode(array(
"deger1"=>"merhaba",
"deger2"=>"merhaba2"
));

// Normal POST istiyorsa
$post = "deger1=merhaba&deger2=merhaba2";

 $ch = curl_init("API URL BU KISMA");
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
         curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)');
        $result = curl_exec($ch);
        curl_close($ch);
        print_r($result);