
OpenMeter is an open-source, usage-based billing and metering platform designed for developers and product teams, particularly those in AI and DevOps. It allows companies to rapidly ship usage-based billing by providing real-time metering, a flexible product catalog for easy pricing changes, and integrations with CRMs, tax, and payment providers. Key features include real-time usage limits, event-to-revenue conversion, and insights for maximizing Net Revenue Retention (NRR). OpenMeter is trusted by fast-growing AI and DevOps companies and is backed by YCombinator, Haystack, and Sunflower Capital. The platform offers SDKs for Node.js, Python, and Go, and supports various collectors for different technology stacks.

OpenMeter is an open-source, usage-based billing and metering platform designed for developers and product teams, particularly those in AI and DevOps. It allows companies to rapidly ship usage-based billing by providing real-time metering, a flexible product catalog for easy pricing changes, and integrations with CRMs, tax, and payment providers. Key features include real-time usage limits, event-to-revenue conversion, and insights for maximizing Net Revenue Retention (NRR). OpenMeter is trusted by fast-growing AI and DevOps companies and is backed by YCombinator, Haystack, and Sunflower Capital. The platform offers SDKs for Node.js, Python, and Go, and supports various collectors for different technology stacks.
Product: OpenMeter — open-source usage-based metering and billing platform
Focus: Developer-first tooling for AI, API, and infrastructure usage billing
HQ: San Francisco, California
Funding: Pre-seed; disclosed backing includes Y Combinator
Tech: SDKs for TypeScript/Node.js, Python, and Go
Usage-based billing, metering, and revenue optimization for SaaS/AI/API companies
SaaS / Developer tools / Billing infrastructure
500000.00
Disclosed as pre-seed with YC involvement; specific public profiles list YC as lead.
“Backed by Y Combinator”