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OpenMeter

AcquiredYC W23

Founded 2023 · 7 employees · 8 known investors

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OpenMeter provides usage-based billing infrastructure for developers, enabling real-time metering of events, logs, and metrics to support consumption-based pricing models. The platform integrates with CRMs, payment providers, and popular programming languages to help SaaS companies implement flexible pricing strategies and maximize revenue through usage insights.

Also known as Tailfin Cloud, Inc. · OpenMeter.io · Tailfin · Tailfin, OpenMeter, OpenMeter.io

Data & InfrastructureDeveloper ToolsEnterprise SoftwareFintechSaaSPartly Remote

Founders & leadership· Y Combinator alumni (W23)

OpenMeter was founded in 2023 by Peter Marton and Andras Toth.

PMPeter Marton
Peter MartonCEO, Co-Founder of OpenMeter (Acquired by Kong, Inc.)2023–2025Peter Marton previously worked on Stripe's usage and cost platform and Netflix's serverless infrastructure. He co-founded RisingStack, a Node.js performance monitoring company, and co-founded OpenMeter.
ATAndras Toth
Andras TothFounderAndras Toth previously worked at Banzai Cloud, an enterprise cloud and Kubernetes platform company acquired by Cisco, where he focused on service mesh technology. He has also held roles at DataCamp and RisingStack, and participated in Google Summer of Code twice.

Investors · 8

Cloudbreak Ventures Kft.listed by Cloudbreak Ventures Kft.Budapest

How we know: Cloudbreak Ventures Kft.'s portfolio page · Y Combinator's founder network · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · funding news · open dataset · 5k.vc investor directory · Not right? Tell us

HaystackreportedSan Francisco · $1M – $3M

How we know: funding news · Y Combinator's founder network · Not right? Tell us

JAY KHATRIreportedSan Francisco

How we know: Y Combinator's founder network · Not right? Tell us

Sequoia CapitalreportedMenlo Park · $100K – $50M

How we know: Y Combinator's founder network · Not right? Tell us

STRTreportedBudapest

How we know: Y Combinator's founder network · Not right? Tell us

Sunflower Capital Management Fundreported

How we know: Y Combinator's founder network · Not right? Tell us

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

Related companies · 10

StripeStripe provides financial infrastructure for businesses to accept payments, offer financial services, and implement custom revenue models across international markets in 135+ currencies.
GoCardlessGoCardless provides bank payment collection and open banking data access services. The platform enables businesses to collect domestic and international payments via bank accounts and securely access customer bank account data across 2,300+ banks in the UK and Europe.
DealHubDealHub provides a revenue platform that manages sales engagement touchpoints to improve buyer experience and sales team efficiency.
Billing PlatformBillingPlatform provides a cloud-based billing and revenue management platform supporting the quote-to-cash process, and maintains a network of implementation, technology, payment, and tax partners. It serves enterprise clients through partners such as system integrators and consulting firms.
ChargebeeChargebee provides unified revenue infrastructure connecting billing, pricing, usage metering, invoicing, and compliance for businesses with modern, usage-based, and hybrid business models at enterprise scale. The platform serves 6,500+ businesses across 227 countries and territories.
IntuitIntuit develops financial software products—including TurboTax, Credit Karma, QuickBooks, and Mailchimp—for consumers and small businesses to manage taxes, credit, accounting, and marketing. It serves approximately 100 million customers worldwide.
TogaiTogai provides end-to-end pricing and billing infrastructure that lets SaaS companies set up and automate usage-based and other pricing models without building internal monetization tooling. It targets software businesses handling metering, billing, and pricing changes.
MoesifMoesif provides an API analytics and monetization platform for teams building API and AI products, offering usage-based billing on API calls and LLM token counts, payload debugging, quota enforcement, and usage monitoring. It is aimed at product and engineering teams that want to understand, govern, and monetize their API and AI usage.
SolvimonSolvimon offers a pricing and billing platform built to handle complex and usage-based pricing models, including tailored enterprise deals and automated invoicing. It serves finance and commercial teams at SaaS and fintech companies.
ZenskarZenskar offers an AI-native platform that automates billing, invoicing, usage-based and subscription pricing, revenue recognition, and financial analytics for finance teams at growing companies. It uses AI agents with human-in-the-loop supervision, connects to CRMs, ERPs, and payment systems, and manages accounting across multiple entities and currencies.

Companies working in the same space as OpenMeter.

Legal entities · 1

corporate structure
Tailfin Cloud, Inc.

In the news

OpenMeter Raises $3M in Seed Fundingfinsmes.com · Mar 2024OpenMeter makes it easier for companies to track usage-based billing | TechCrunchtechcrunch.com · Mar 2024OpenMeter.io: Real-time and scalable OSS meteringycombinator.com · Jun 2023Tailfin - Maximize revenue with usage-based pricingycombinator.com · Feb 2023OpenMeter Funding | $1M Revenue | Complete Analysis | Extruct AIextruct.ai

Frequently asked questions

What does OpenMeter do?
OpenMeter provides usage-based billing infrastructure for developers, enabling real-time metering of events, logs, and metrics to support consumption-based pricing models. The platform integrates with CRMs, payment providers, and popular programming languages to help SaaS companies implement flexible pricing strategies and maximize revenue through usage insights.
Who founded OpenMeter?
OpenMeter was founded by Peter Marton, Andras Toth in 2023.
Who are OpenMeter's investors?
OpenMeter's investors include Blu Estates Sàrl, Cloudbreak Ventures Kft., Y Combinator, Haystack, JAY KHATRI, Sequoia Capital, STRT, Sunflower Capital Management Fund.