Send Webhook request - receives error 404

[Ugnius Aušra]

Hello community,

I have a problem with my send webhook request module.

I'm trying to create automation, which would change custom field value through API.

But when i'm trying i receive 404 error.

Sharing details

if i use URL and paste it to next tab, i can access i json, i don't understand automation is receiving error.

Please help.