Fastgen
YC W23New York City, US · Founded 2023 · 7 employees · 13 known investors
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Fastgen provides a drag-and-drop platform for building custom APIs and data workflows, with an integrated PostgreSQL database that handles data operations for applications.
Also known as Million Sunny, Inc. · Hyrule Technology
Founders & leadership· Y Combinator alumni (W23)
Fastgen was founded in 2023 by Mike Mahlkow, David Nordhausen, and Constantin Schreiber.




Board
Investors · 13
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Rainfall Ventures's portfolio page · funding news · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us
How we know: funding news · Y Combinator's founder network · rebelfund.vc · Not right? Tell us
How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$1.7M disclosed across 1 round · 2007
▶$1.7MraisedMar 2012 · 9 investors · Other Health CareRule 506(b)
- N.C. Joseph LaiDirector
- Michael Chi Kin ChengExecutive Officer, Director
- Albert Wing-Kin TamExecutive Officer, Director
- Paul J. TauberExecutive Officer
- Anselm N. LeungDirector
- Offering amount
- $2M
- Amount sold
- $1.7M
- Proceeds to insiders
- $519.5K
- First sale
- Jan 2007
- Incorporated
- Corporation, California
- Federal exemptions
- 06
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Founder mafia
4 people who came through Fastgen went on to found or lead other companies.
Related companies · 4
Companies working in the same space as Fastgen.
Legal entities · 1
corporate structureIn the news
Frequently asked questions
- What does Fastgen do?
- Fastgen provides a drag-and-drop platform for building custom APIs and data workflows, with an integrated PostgreSQL database that handles data operations for applications.
- Who founded Fastgen?
- Fastgen was founded by Mike Mahlkow, David Nordhausen, Constantin Schreiber in 2023.
- Who are Fastgen's investors?
- Fastgen's investors include Maiora Rebel Ventures, Rainfall Ventures, Rebel Fund, Y Combinator, 468 Capital, Andreessen Horowitz, BLN Capital, James Beshara Fund and 5 more.
- How much funding has Fastgen raised?
- Fastgen has disclosed $1.7M raised across 1 round.
- Where is Fastgen headquartered?
- Fastgen is headquartered in New York City, US.












