Find 5 API Angel Investors

We found 5 verified angel investors and VCs actively investing in API startups.

Co-founder of Zapier. Angel investor in developer tools and API startups.

Billings, MtPre-SeedSeed
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Co-founder and former CEO of Twilio. Angel investor in developer tools and API startups.

San Francisco, CASeedSeries A
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Co-founder of Twilio. Angel investor in cloud communications and developer tools.

San Francisco, CAPre-SeedSeed
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Co-founder of Algolia. Angel investor in French and US developer tooling startups.

San Francisco, CAPre-SeedSeed
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Former Vonage exec. Angel investor in CPaaS and business communication platforms.

New York, NY
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Frequently Asked Questions

How to find API angel investors?

If you are raising a round for your API startup, you can use the OpenAngels database to access 5 verified active investors. We provide direct emails and LinkedIn profiles to help you pitch directly.

Who are the top API investors for early-stage startups right now?

Currently, our database tracks 5 highly active API investors. The list includes prominent angels and micro-VCs actively deploying capital this year.

Where can I get verified contact details for API VCs?

OpenAngels aggregates and verifies contact information, including direct emails, for 5 API investors, saving founders hundreds of hours of manual research.

Top 5 API Angel Investors (2026) | OpenAngels