Twilio is announcing a new Messaging Feedback API that enables developers to report back critical deliverability information, helping the company improve message delivery and identify network issues. The API allows users to track user actions such as entering a two-factor authentication code or clicking on a unique link in a message, providing valuable feedback to Twilio's global customer base. With this new feature, Twilio aims to leverage its vast network effects to detect and quickly react to changes in the global messaging networks, ultimately improving the deliverability of messages for its customers.