Api Login

    $username = $_POST['fs_username'];
    $password = $_POST['fs_password'];
    echo "<pre>";
    var_dump("Username: ", $username, "Password: ", $password);
    echo "</pre>";

    $api_login_url = "https://servicesbeta.fidelitysalus.it/v3/account/login";

    $login_response = wp_remote_retrieve_body(wp_remote_post( $api_login_url, array(
        'method'      => 'POST',
        'timeout'     => 45,
        'redirection' => 5,
        'httpversion' => '1.0',
        'blocking'    => true,
        'headers'     => array(),
        'body'        => array(
            'SignInName' => $username,
            'Password' => $password,
        ),
        'cookies'     => array()
        )
    ));
    echo "<pre>";
    var_dump("Method 0: ", $login_response);
    echo "</pre>";

    $login_response1 = CallAPI("POST", $api_login_url,  array('SignInName' => $username , 'Password' => $password ));
    echo "<pre>";
    var_dump("Method 1: ", $login_response1);
    echo "</pre>";

    // Method: POST, PUT, GET etc
    // Data: array("param" => "value") ==> index.php?param=value
    
    $login_response2 = wp_remote_retrieve_body( wp_remote_post( $api_login_url, array(
        'httpversion' => '1.1',
        'method'      => 'POST',
        'body'        => array(
            'SignInName'         => $_POST['fs_username'],
            'Password'      => $_POST['fs_password'],
        )
    ) ) );

    echo "<pre>";
    var_dump("Method 2: ", $login_response2);
    echo "</pre>";

    $login_response3 = wp_remote_retrieve_body( wp_remote_post( $api_login_url, array(
        'method'  => 'POST',
        'body'    => array( 'SignInName' => $username, 'Password' => $password ),
        'headers' => array(
            'Authorization' => 'Basic ' . base64_encode( $username . ':' . $password ),
        ),
    ) ) );

    echo "<pre>";
    var_dump("Method 3: ",$login_response3);
    echo "</pre>";

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL,$api_login_url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
    curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
    curl_setopt($ch, CURLOPT_USERPWD, "$username:$password");
    $login_response4 = curl_exec($ch);
    curl_close($ch);

    echo "<pre>";
    var_dump("Method 4: ",$login_response4);
    echo "</pre>";

    if ( is_wp_error( $login_response4 ) ) {
       $error_message = $login_response4->get_error_message();
       echo "Something went wrong: $error_message";
    } else {
       echo 'Response:<pre>';
       print_r( $login_response4 );
       echo '</pre>';
    }