httpbin(1) - HTTP request and response service
Wylei - Wylei, a pioneer in Predictive AI cloud-based machine learning and marketing automation, creates & delivers real-time, personalized content.
HTTPDump - A simple, beautiful Webhook debugging tool.
craft ai - craft ai is an AI engine created for developers, powered by a visual editor and simple APIs.
Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Recombee - Recommender system as a service that uses advanced Machine Learning and Artificial Intelligence algorithms. Easy to try and evaluate.