[kadukeitor]

I think now is a good time to use this kind of services.

https://callbackfy.com

It's essentially a way to save some money by avoiding long http requests by buffering requests and sending a callback when the result is complete.

[hbbio]

Using a service with a TLS certificate error... probably not.

[kadukeitor]

The url is just a redirection to this:

https://rapidapi.com/kadukeitor/api/callbackfy2/