Founder of a listed tool
Kyle Mack
Co-founder, Middesk, Inc., named behind the Middesk listing on Anchor Terminal.
What Kyle builds
Middesk C · Identity & business verification
Business verification API from Middesk in San Francisco. It checks US and international businesses against registry, tax ID, sanctions and watchlist records, monitors them for changes, and files liens and state tax registrations, over REST and a hosted MCP server.
Co-founder, Middesk, Inc., researched 26 October 2026 · the people behind it
Works with
- Kurt Ruppel Co-founder, Middesk, Inc.
Questions
Who is Kyle Mack?
Kyle Mack is co-founder and CEO of Middesk, a business identity platform for verifying and monitoring businesses, from Y Combinator's Winter 2019 batch. He announced the company's $57m Series B, co-led by Insight Partners and Canapi Ventures. His YC profile lists earlier roles at Checkr and AnyPerk.
What does Middesk, Inc. make?
Anchor Terminal lists Middesk from Middesk, Inc.. Business verification API from Middesk in San Francisco. It checks US and international businesses against registry, tax ID, sanctions and watchlist records, monitors them for changes, and files liens and state tax registrations, over REST and a hosted MCP server.
How are Kyle's tools graded?
Middesk is graded C, 59.1 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.
Sources (3)
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