Researching the internet I have found two great tools that can be used for testing webapps and webhooks.
The first is called ngrok. What it does is that it creates a tunel to your web app and makes it accessible from the internet through https without port forwarding. It acts as a kind of reverse vpn but for https access only. Its link is the following:
The second and also very interesting tool is beeceptor. It is a webhook receiver and post api receiver in order to check what various services will post to your webapp and create the receiving code correctly. Its link is the following:
They are free to try.
The first is called ngrok. What it does is that it creates a tunel to your web app and makes it accessible from the internet through https without port forwarding. It acts as a kind of reverse vpn but for https access only. Its link is the following:
ngrok | API Gateway, IoT Device Gateway, Secure Tunnels for Containers, Apps & APIs
ngrok is a secure ingress platform that enables developers to add global server load balancing, reverse proxy, firewall, API gateway and Kubernetes Ingress to applications and APIs.
The second and also very interesting tool is beeceptor. It is a webhook receiver and post api receiver in order to check what various services will post to your webapp and create the receiving code correctly. Its link is the following:
Beeceptor - Rest/SOAP API Mocking, HTTP Debugger & Proxy
Beeceptor helps you build mock rest and SOAP APIs without any coding. It is your go to tool for HTTP request debugging, intercepting and proxying.
They are free to try.