About OpenMeter
OpenMeter is a Financial Services company based in San Francisco (United States) founded in 2023 by Peter Marton and Andras Toth, and was acquired by Kong in September 2025. OpenMeter has raised $3.13 million across 2 funding rounds from investors including Kong, Y Combinator and Haystack. Its chief executive, as recorded, is Peter Marton. Its website openmeter.io draws about 20 thousand monthly visits. OpenMeter offers products and services including OpenMeter Platform, API & SDKs, and Collectors. Its focus areas include FinTech, Payments, Business Payments and Payment Data Analytics. Its legal entity is Tailfin Cloud Inc.
Company details
Open-source usage metering platform for AI, DevOps, and billing. It enables scalable usage-based billing, cloud cost management, and real-time data use cases for AI, DevOps, and IoT. It offers both an open-source version and a cloud-based version.
- Headquarters San Francisco, United States
- Founders Peter Marton, Andras Toth
- Stage Acquired
- SectorsFinancial Services
- Emailβ’β’β’β’β’β’β’β’
- Website openmeter.io
- Social LinkedIn X
- Acquired by Kong (Sep 2025)
- Legal Name Tailfin Cloud Inc.
Products & Services of OpenMeter
OpenMeter offers a comprehensive portfolio of products and services, including OpenMeter Platform, API & SDKs, and Collectors.
Real-time tool for usage metering and billing in software
Integrations for programming languages like Node.js and Python
Tools to meter AI tools and cloud infrastructure events
Funding Insights of OpenMeter
OpenMeter has successfully raised a total of $3.13M across 2 strategic funding rounds. The most recent funding activity was a Seed round of $3 million completed in March 2024. 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 $3.13M
- Total Rounds 2
- Last Round Seed β $3M
- First Round $125,000
(Jun 2023)
- Investors Count 3
All 2 funding rounds of OpenMeter 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 |
|---|---|---|---|---|---|
| Mar 2024 | $3M | Seed | β | Haystack | |
| Jun 2023 | $125,000 | Seed | β | Y Combinator | β |
4 investors in total: 4 institutional.
Investors in OpenMeter
OpenMeter has secured backing from 4 investors, including venture fund investors. Prominent investors backing the company include Kong, Y Combinator and Haystack.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Early-stage startups are accelerated via funding and educational programs. | ycombinator.com | Mountain View, United States | ||
Multiple-stage venture capital investments are managed by Haystack. | haystack.vc | Menlo Park, United States | ||
Kong Inc. is recognized for providing a unified API platform. | 2009 | konghq.com | San Francisco, United States |
Investor details for OpenMeter
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 OpenMeter
4 people are tracked at OpenMeter (4 in leadership).
| Name | Role | Group |
|---|---|---|
Peter Marton | Co-Founder & CEO | Leadership |
Andras Toth | Co-Founder | Leadership |
András Hajgató | Head Of Product Design | Leadership |
András Tóth | Cto, Founder | Leadership |
Complete people profiles for OpenMeter
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 OpenMeter
4 dated milestones of OpenMeter across 2 years, from founding to its latest funding, stage changes and deals.
- Founded OpenMeter is founded.
- Funding First funding round of $125K.
- Funding Latest funding round, Seed, of $3.0M.
- Exit Acquired by Kong.
Web traffic of OpenMeter
The website of OpenMeter (openmeter.io) receives about 20.3K visits a month.
- Monthly visits20.3K
▲ 2.4% vs previous month
Websites whose visitors overlap most with OpenMeter. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| amberflo.io | 100% | 2.5K | #6,714,752 | View details | |
| cerbos.dev | 89% | 73.8K | #526,371 | View details |
Top companies in Payments & Remittance Platforms
3 companies that operate in the same segment as OpenMeter (Payments & Remittance Platforms) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Payment processing and card issuance solutions are provided for businesses. | 2009 | San Francisco, California, United States | USD 9.81 B | 16,622 | ||
Cloud-based accounts payable and receivable software for businesses | 2006 | Palo Alto, California, United States | USD 325.6 M | USD 1.65 B | 3,108 | |
Spend management and accounts payable solutions are delivered to businesses. | 2019 | New York, New York, United States | USD 5.07 B | 6,209 |
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Related news about Openmeter
Complete news archive for OpenMeter
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Frequently Asked Questions about OpenMeter
OpenMeter was founded in 2023.
OpenMeter is headquartered in San Francisco, United States. It is registered at San Francisco, California, United States.
Peter Marton is the CEO of OpenMeter, as recorded in our data. They have also founded this company.
OpenMeter is a funded company, having raised a total of $3.13M across 2 funding rounds to date. The company's 1st funding round was a Seed of $125K, raised on Jun 2023.
Open-source usage metering platform for AI, DevOps, and billing. It enables scalable usage-based billing, cloud cost management, and real-time data use cases for AI, DevOps, and IoT. It offers both an open-source version and a cloud-based version.
OpenMeter offers OpenMeter Platform, API & SDKs, and Collectors.
OpenMeter has 4 investors. Key investors include Kong, Y Combinator, Haystack, and Sunflower Capital.
OpenMeter operates through Tailfin Cloud Inc..
Yes. OpenMeter was acquired by Kong in September 2025.

