HTTP TO n8n connection issue

Please let us know how to connect HTTP to n8n from Chatling.

I mean i want to transfer data from Chatling Form using HTTP to n8n webbook.

i have compied n8n -web hook address at HTTP(POST)

it has shown HTTP error like 404.

I tride n8n webhook (GET and POST ) option.

Kindly review and provide how to connect from chatling to n8n webhook.

Regards/Sridhar