Please check using create custom script and add below code :
// get token $userData = array("username" => "addyourusername", "password" => "yourpassword"); $ch = curl_init("https://demo.com/index.php/rest/V1/integration/admin/token"); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST"); curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($userData)); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/json", "Content-Lenght: " . strlen(json_encode($userData)))); $token = curl_exec($ch); $token = str_replace('"', '', $token); // get product special price $ch = curl_init("https://demo.com/index.php/rest/V1/products/SKU-NAME"); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/json", "Authorization: Bearer " . $token)); $result = curl_exec($ch); $data = json_decode($result,true); $specialPrice = $data['price']; foreach ($data['custom_attributes'] as $attr) { if ($attr['attribute_code'] == 'special_price') { $specialPrice = $attr['value']; } } echo $specialPrice;