Side-by-side comparison of AI visibility scores, market position, and capabilities
Internal developer portal for service catalog and engineering ops. Founded 2019, SF (ex-Uber). $112M raised at $470M valuation. Y Combinator grad. Private.
Cortex is an internal developer portal founded in 2019 by Anish Dhar (CEO, ex-Uber), Ganesh Datta, Nikhil Unni, and Aditya Subramanian, headquartered in San Francisco. Raised $112 million including a $60M growth round (August 2025) led by Scale Venture Partners at $470M valuation. YC graduate; investors include IVP, Sequoia, Tiger Global.
Largest API marketplace with 4M developers and thousands of API providers; unified discovery, testing, and management for public and enterprise internal APIs.
RapidAPI is the world's largest API marketplace and developer hub, providing a platform where developers discover, connect to, and manage thousands of public and private APIs through a unified interface. Founded in 2015 and headquartered in San Francisco, RapidAPI connects over 4 million developers with APIs from thousands of providers — weather data, financial data, social media, translation, geolocation, and every category of web service — through a single authentication layer and consistent SDK.
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