Nishadup

add_filter('wf_fedex_request','custom_label_orientation', 10, 2 );
function custom_label_orientation($request, $order){
    $fedex_settings = get_option( 'woocommerce_wf_fedex_woocommerce_shipping_settings', null );
    $selected_service = $request['RequestedShipment']['ServiceType'];

    $custom_services = $fedex_settings['services'];

    $shipping_charge = $order->get_total_shipping();
    $handling = $shipping_charge;
    // Cost adjustment %

Nishadup

add_filter('wf_fedex_calculate_shipping_request', 'modify_fedex_request', 10, 2);
function modify_fedex_request($fedex_requests, $fedex_packages){
    $insurance_amount = 100;             // New Insurance amount

    foreach ($fedex_requests as $req_no => &$request) {
        if( isset($request['RequestedShipment']['TotalInsuredValue']['Amount']) ) {
            $count = 0;
            foreach( $request['RequestedShipment']['RequestedPackageLineItems'] as $key => $item ) {
                $request['RequestedShipment']['RequestedPackageLineItems'][$key]['InsuredValue']['Amount'] = $insurance_amount;

Nishadup

add_filter('xa_canadapost_rate_request', 'sanitize_postal_code_for_rate_req', 10, 2);
function sanitize_postal_code_for_rate_req($xmlRequest, $package){
    $xml_obj = new SimpleXMLElement($xmlRequest);
    if( isset($xml_obj->{'destination'}->{'domestic'}->{'postal-code'}) ){
        $xml_obj->{'destination'}->{'domestic'}->{'postal-code'} = str_replace("-","",$xml_obj->{'destination'}->{'domestic'}->{'postal-code'} );
    }

    $doc = new DOMDocument();
    $doc->formatOutput = TRUE;
    $doc->loadXML($xml_obj->asXML());

Nishadup

add_filter('ph_ups_label_shipping_method', 'ph_ups_label_shipping_method', 10, 2);
function ph_ups_label_shipping_method( $shippingmethod, $order ){

	//Config this array
	$shipping_method_map = array(
		'free_shipping' => '03',
		'flat_rate'		=> '12',
	);