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AI & Cloud Metering

Open Source Metering and Billing for Developers.

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OpenMeter Cloud preview

Usage-Based Billing

Metering that works with your infrastructure and serves product and revenue teams.

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Billing for Developers

Collect and aggregate millions of events instantly to power billing use-cases.

Bill from any events,
metrics and logs

Turn any events, logs, and metrics into revenue. We integrate out of the box with LLMs and cloud infrastructure components and provide SDKs for popular programming languages like Node.js, Python, and Go.

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Real-time Customer Dashboards
In Your App

Build real-time consumer dashboards with our embeddable components and React hooks. Empower your customers to monitor their usage and exercise control over their spending.

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Balances, Credits and
and Quotas

Track customer balances and credits to enforce usage limits, entitlements, and prepaid billing. Grant one-time and recurring credits to your customers.

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Low Latency
Limit Enforcement

Enforce limits and quotas on your API usage. Protect your margins from expensive overages with LLMs and compute. Our low latency limit enforcement offers usage gating on the edge.

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Scalable Metering In 5 Minutes

Free forever. No credit card is required.You are in control. Self-service signup, free forever plans, and subscription management via Stripe.

Quickstart With SDKs

Meter millions of events per second:
import { OpenMeter } from '@openmeter/sdk'

const openmeter = new OpenMeter({ 
  baseUrl: 'http://localhost:8888'

// Measure OpenAI / ChatGPT token usage
  id: 'e59cac1f-dd52-43a2-bc4f-36cd3c09a39c',
  type: 'tokens',
  subject: 'user-id',
  data: {
   tokens: 15,
   model: 'gpt-4',
Get real-time, accurate aggregated usage:
// Retreive token usage
const values = await openmeter.meters.query(
    subject: ['user-id'],
    from: new Date('2021-01-01'),
    to: new Date('2021-01-02'),
Billable Prompts:
Token Usage:

Collectors For Your Stack

Meter your favorite AI tools, cloud infrastructure, frameworks, and more.


that is an extension of your team

We help you onboard quickly, serve your integration needs, and maximize value.

Technical onboarding
Technical onboarding

Our technical teams help you quickly onboard to our platform.

Custom integration
Custom integrations

We help integrate and meter usage of custom solutions as well as reporting.

Implement pricing changes
Implement pricing changes

We help your engineering, product, and sales teams adopt usage-based pricing and maximize revenue.

Open Source and Cloud

All options are powered by our scalable event ingestion and robust APIs.


We help integrate and meter usage of custom solutions as well as reporting.

  • User-friendly Interface
  • Professional Support
  • Reporting & Syncs
  • Cost Attribution
Open source

Run your own deployment and dependencies. The core is available under the Apache 2.0 license.

  • Self-hosted
  • Community Support
  • Apache 2.0 License

Do you need a custom integration or deployment? Our team is happy to help.

What people are
saying about us

Whether you're introducing new pricing, scaling your revenue operations, or consolidating your software stack, OpenMeter works for you.

AI products need usage metering from the start. Attributing each OpenAI, serverless process, or custom API call ensures that each customer is profitable. As every product adds generative AI capabilities, OpenMeter takes the pain out of scalable billing.

Nate Smith, Founding CTO
Nate Smith

Consumption based SaaS revenue modeling (usage-based pricing) is a multi-disciplinary problem. It sits at the intersection of tech, process and organizational challenges; from real-time data computation, plug-and-play pricing policies, to orchestrating seamless workflows across multiple functions like Finance, Sales, Revenue Ops, Data & Platform engineering teams. OpenMeter seamlessly solves these needs. It enables Billing platform teams to surface the right strategic trends for the business, feeding into existing Land or Expand motions, highlighting Churn concerns and ultimately empowering an Executive team to adopt a users’ first approach to achieving business goals.

Smruti Patel, VP of Engineering
Apollo GraphQL
Smruti Patel

OpenMeter leverages event-streaming techniques from high-scale, battle-tested production systems at the largest companies. As a result you get realtime, reliable, and cost-effective usage-based metering out of the box.

Jeff Chao, CTO (ex-Netflix, ex-Stripe)
Jeff Chao

With the increasing complexity of technology landscapes, engineering teams often find themselves investing significant time and resources in developing and sustaining real-time usage metering solutions. At this juncture, opting for a sophisticated yet user-friendly product like OpenMeter becomes a strategic move as enables you to unlock productivity by streamlining processes, promoting operational efficiency and allowing your engineering team to focus on core competencies. Make the smart choice, embrace OpenMeter – your key to an effective, robust, and cutting-edge metering solution.

Yunong Xiao, Director of Engineering
Yunong Xiao
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Start metering today!
Free forever, no credit card required.
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