# Consuming Webhooks

Many SaaS products including popular services like Stripe and Okta support Webhooks, allowing a web application to register a Medplum URL to receive notifications. When a certain event occurs in the source application, such as a new user signup or a change to a record, the source application sends an HTTP POST request to the URL registered by the destination application. This HTTP POST request contains information about the event that occurred.

# MFA Under the Hood: Routes & User Flows

This page is a deep dive into how Multi-Factor Authentication works in Medplum: the underlying HTTP routes and the user flows that combine them. It is intended for developers building their own MFA management UI — those who cannot use Medplum's SignInForm component or the Medplum App Security page and need to drive enrollment and challenge completion directly.

# Multi-Factor Authentication (MFA)

Multi-Factor Authentication (MFA) adds an extra layer of security to user accounts by requiring a second authentication factor beyond a password. Medplum supports two MFA methods: