Index Ventures
Index Ventures is a global venture capital firm founded in Geneva in 1996 by Neil Rimer, David Rimer and Giuseppe Zocco, and headquartered in London with offices in San Francisco, New York, Geneva and Jersey. The firm invests across the full startup lifecycle through dedicated vehicles: Origin (seed), Venture (early-stage) and Growth funds, backing companies from seed to IPO. It focuses on artificial intelligence and machine learning, business applications, data, fintech, security, healthcare, entertainment, media, mobility, retail, open source and the future of work. Index has raised roughly $15B in total capital, including $2.3B announced in 2024 ($800M early-stage, $1.5B later-stage). Notable investments include Adyen, Figma, Datadog, Discord, Revolut, Wise, Robinhood, Roblox, Confluent, Anthropic, Scale AI and Wiz. Its philosophy emphasizes backing founders on character and vision — 'we invest in who you are, not just what you do.'
Every Index Ventures company that ships an API, scored the way a machine reads it — a small, dense, enterprise-SaaS book with real agent depth at the top and a diligence-grade gap underneath.
Index Ventures has 317 portfolio companies tracked on the APIs.io network, of which 315 (99%) publish APIs indexed here.
Its highest-rated API providers on the network are Notion, Figma, Plaid, Anthropic, Temporal.
Portfolio on the Network
Portfolio companies that publish APIs indexed on APIs.io, grouped by their API Evangelist rating. Exemplar and Strong are expanded by default.
Exemplar 11 Complete, well-documented, and agent-ready
Strong 16 Solid coverage with minor gaps
Developing 60 Usable, with meaningful gaps to close
Thin 40 Limited public surface area
Emerging 101 Early or largely undocumented
Minimal 87 Almost no public developer surface
Rest of Portfolio
2 further portfolio companies that don’t yet have a provider page on the network.
Scroll for all 2
Properties
Portfolio
Where the firm publishes its investments
Firm
The firm itself