Explore the world of webhooks in this 55-minute conference talk from PHP UK Conference 2018. Dive into the advantages of webhooks over traditional APIs, examining real-world examples and best practices. Learn how to design, implement, and scale webhook systems across different technology stacks. Discover techniques for receiving and processing incoming webhooks, as well as creating and publishing your own for partners or consumers. Gain insights into webhook security, payload structuring, and practical applications like Slack integrations and GitHub builds. Investigate serverless webhook endpoints, testing methods using Ngrok, and how to effectively incorporate webhooks into your applications for improved data exchange and event-driven functionality.