The definition.
An Agent Endpoint is any addressable point at which another agent can contact a business and transact with it — under authority the business has delegated to its agent.
It is not a website. It is not a chatbot. It is not an API. It is the layer above all three: a contactable surface, attached to a reasoning core, with delegated authority to decide on the business's behalf. The thing on the other end can negotiate, quote, book, refuse, and escalate — and the business stands behind every word of it.
The website remains. The phone number remains. The storefront remains. The Agent Endpoint is what becomes the first thing reached in a world where most contact between businesses no longer involves a human at all.
source & further reading
ianpilon.github.io — original article