About Fastgen
Fastgen is a Technology company based in Berlin (Germany) founded in 2023 by Mike Mahlkow and David Nordhausen, and was acquired by Lumos in December 2024. Fastgen is recognized for building scalable backends and automations. It operates on a SaaS (Software-as-a-Service) model. Fastgen has raised $125 thousand across 2 funding rounds from investors including Lumos, Y Combinator and ROI Ventures. Its chief executive, as recorded, is Mike Mahlkow. Fastgen offers products and services including API Builder and Workflow Builder. Its focus areas include Software and Development Tools. Its legal entity is Million Sunny Inc.
Company details
Fastgen is utilized for creating scalable backends, workflows, and APIs with a low-code approach. It is designed to support rapid development through a visual builder interface. Various sectors including technology and software development are served by offering tools for API creation, debugging, and workflow automation. Solutions such as cron jobs, database integration, and custom code injection in Node.js and Python are provided. Hosting and deployment are managed to simplify DevOps tasks for users.
- Headquarters Berlin, Germany
- Founders Mike Mahlkow, David Nordhausen
- Stage Acquired
- SectorsTechnology
- Website fastgen.com
- Social LinkedIn X YouTube
- Acquired by Lumos (Dec 2024)
- Legal Name Million Sunny Inc
Products & Services of Fastgen
Fastgen offers a comprehensive portfolio of products and services, including API Builder and Workflow Builder.
Tool for creating APIs with rapid deployment features.
Platform for building automations with integrated tools.
Apps and channels of Fastgen
its YouTube channel Fastgen has 25 subscribers and 30 videos.
Videos from Fastgen
The most watched videos on Fastgen's YouTube channel, Fastgen (25 subscribers). Click a video to play it here.
More on Fastgen.
Funding Insights of Fastgen
Fastgen has successfully raised a total of $125K across 2 strategic funding rounds. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $125,000
- Total Rounds 2
- First Round $125,000
(Jun 2023)
- Investors Count 2
All 2 funding rounds of Fastgen with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jun 2023 | $125,000 | Seed | β | Y Combinator | |
| Jun 2023 | Seed | β | β |
3 investors in total: 3 institutional.
Investors in Fastgen
Fastgen has secured backing from 3 investors, including venture fund investors. Prominent investors backing the company include Lumos, Y Combinator and ROI Ventures.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Early-stage startups are accelerated via funding and educational programs. | ycombinator.com | Mountain View, United States | ||
| roi-ventures.at | ||||
Federated identity management solutions are provided for various industries. | 2020 | lumos.com | San Francisco, United States |
Investor details for Fastgen
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of Fastgen
4 people are tracked at Fastgen (3 in leadership, 1 in team).
| Name | Role | Group |
|---|---|---|
Mike Mahlkow | Co-Founder & CEO | Leadership |
David Nordhausen | Co-Founder | Leadership |
Constantin Schreiber | Co-Founder | Leadership |
Yuhao Zhong | Software Engineer | Team |
Complete people profiles for Fastgen
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Timeline of Fastgen
3 dated milestones of Fastgen across 1 years, from founding to its latest funding, stage changes and deals.
- Founded Fastgen is founded.
- Funding First funding round of $125K.
- Exit Acquired by Lumos.
Web traffic of Fastgen
The website of Fastgen (fastgen.com) receives about 1.3K visits a month.
- Monthly visits1.3K
▼ 40.2% vs previous month
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Related news about Fastgen
Complete news archive for Fastgen
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- Full article archive
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Frequently Asked Questions about Fastgen
Fastgen was founded in 2023.
Fastgen is headquartered in Berlin, Germany. It is registered at Berlin, Berlin, Germany.
Mike Mahlkow is the CEO of Fastgen, as recorded in our data. They have also founded this company.
Fastgen is a funded company, having raised a total of $125K across 2 funding rounds to date. The company's 1st funding round was a Seed of $125K, raised on Jun 2023.
Fastgen is utilized for creating scalable backends, workflows, and APIs with a low-code approach. It is designed to support rapid development through a visual builder interface. Various sectors including technology and software development are served by offering tools for API creation, debugging, and workflow automation. Solutions such as cron jobs, database integration, and custom code injection in Node.js and Python are provided. Hosting and deployment are managed to simplify DevOps tasks for users.
Fastgen offers API Builder and Workflow Builder.
Fastgen has 3 investors. Key investors include Lumos, Y Combinator, and ROI Ventures.
Fastgen operates through Million Sunny Inc.
Yes. Fastgen was acquired by Lumos in December 2024.

