---
displayed_sidebar: authReference
---

import { TypeList } from "docs-ui"

# AuthenticationInput

The data passed to the auth provider when authenticating a user
or validating a callback.

<TypeList types={[{"name":"url","type":"`string`","description":"URL of the incoming authentication request.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"headers","type":"`Record<string, string>`","description":"Headers of incoming authentication request.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"query","type":"`Record<string, string>`","description":"Query params of the incoming authentication request.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"body","type":"`Record<string, string>`","description":"Body of the incoming authentication request.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"protocol","type":"`string`","description":"Protocol of the incoming authentication request (For example, `https`).","optional":true,"defaultValue":"","expandable":false,"children":[]}]}  sectionTitle="AuthenticationInput"/>