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.
SF webhooks-as-a-service platform delivering billions of webhooks with reliability guarantees for Fortune 500 to startups; YC W21 $13M a16z Series A competing with Hookdeck for developer webhook infrastructure.
Svix is a San Francisco-based webhooks infrastructure platform — backed by Y Combinator (W21) with $13 million raised including a $10.4 million Series A in February 2023 led by Andreessen Horowitz with Y Combinator, Aleph, and angels including founders and CTOs of GitHub, PagerDuty, Segment, and Lookout — providing SaaS companies and API-driven products with enterprise-ready webhook delivery infrastructure (both open-source self-hosted and cloud-managed) that handles the reliability, scalability, security, and developer experience requirements of sending billions of webhooks to customers, eliminating the webhook infrastructure engineering that currently requires 2-4 months of developer time to build correctly. Founded in 2021 and serving Fortune 500 enterprises to startups, Svix enables companies to ship webhook functionality to customers in days rather than months.
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