This report is a comprehensive analysis of webhook implementations based on research conducted on 100 API providers. The objective is to identify the best practices adopted in webhook services, the frequency of their adoption, and the impact these practices have on webhook delivery effectiveness. The findings indicate a high adoption rate of webhooks at 83%, yet many providers do not implement essential best practices. Key areas of focus include the importance of automatic retries for reliable delivery, with 67% of services offering this feature. The report also discusses the significance of logging, event types, and message authentication, highlighting that only a minority of providers include these functionalities. Additionally, it notes the correlation between the inclusion of code samples in documentation and the overall quality of webhook services. The report aims to encourage the adoption of best practices to enhance the developer experience in webhook usage across the industry.