https://my.hostafrica.com/modules/addons/DomainsReseller/api/index.php

Username This is an email address of the reseller's client registered in your WHMCS.

Token Token is an API Key transformed into SHA256 hash using the reseller's email address and the current time encoded with base64.

base64_encode(hash_hmac("sha256", "", ":)"))

$endpoint   = "https://my.hostafrica.com/modules/addons/DomainsReseller/api/index.php";
            $action     = "/order/domains/renew";
            $params     = [
                "domain"    => "example.com",
                "regperiod" => "3",
                "addons"    => [
                    "dnsmanagement"     => 0,
                    "emailforwarding"   => 1,
                    "idprotection"      => 0, //This triggers HOSTAFRICA Domain Protection paid service
                ]
            ];
            $headers = [
                "username: email@example.com",
                "token: ". base64_encode(hash_hmac("sha256", "1234567890QWERTYUIOPASDFGHJKLZXCVBNM", "email@example.com:".gmdate("y-m-d H")))
            ];
            
            $curl = curl_init();
            curl_setopt($curl, CURLOPT_URL, "{$endpoint}{$action}");
            curl_setopt($curl, CURLOPT_POST, true);
            curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($params));
            curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
            curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
            
            $response = curl_exec($curl);
            curl_close($curl);