I'm trying to figure out how to get webmentions working… I've got …

I'm trying to figure out how to get webmentions working… I've got https://webmention.io setup to allow me to receive webmentions, and I think I might use https://webmention.app for sending them.

A test: https://webmention.rocks/update/1. Testing updates: https://webmention.rocks/update/1/part/2.