Add custom headers to the webhook post request

nf-webhook-custom-headers.php

<?php
/*
 * Add custom headers to Ninja Forms webhook post request
 * Webhook addon required. Works with NF version 3+
 */
add_filter( 'nf_remote_post_headers', 'nf_wh_custom_headers' );

function nf_wh_custom_headers( $headers ) {
	// Assuming you have a way to securely store and retrieve the token
	$token = 'your_bearer_token_here'; // Replace this with your actual token or a function to retrieve it securely
	 
	$headers = array(
		'headers' => array(
			'Authorization' => 'Bearer ' . $token )
		)
	);
	
	return $headers;
}