Interfere raises $5.1M seed
Announced 15 October 2026
◆ The Round
Interfere raised $5.1M in seed funding, announced on 15 October 2026, led by Hummingbird, with participation from Worldbuild, Designer Fund, Y Combinator, Vercel. The round is tracked live by Fusion42 as part of the Raise fund database and the Scout startup database.
◆ About Interfere
Software that helps teams understand what is going wrong in their products, who it affects, and how to fix it. Interfere is based in United States and currently at seed stage, operating in Developer Tools.
◆ Investors
LeadHummingbird
ParticipationWorldbuild, Designer Fund, Y Combinator, Vercel
◆ Market context
This funding event is a citable node in Fusion42's market graph: it links Interfere's Scout profile to the funds behind the round and to related Wire analysis, and is refreshed from public announcements as the round is confirmed or extended. It is the same live market data Arthur reasons over when benchmarking a founder's own raise against what is closing in the market right now.
◆ Explore the market
◆ FAQ
How much did Interfere raise?
Interfere raised $5.1M in its seed round, announced 2026-10-15.
Who invested in Interfere's seed round?
The round was led by Hummingbird, with participation from Worldbuild, Designer Fund, Y Combinator and Vercel.
What does Interfere do?
Software that helps teams understand what is going wrong in their products, who it affects, and how to fix it.
Verified 15 October 2026 · Sources: public filings