Metering and billing infrastructure, built in the open

OpenMeter is the open source metering and billing platform for AI, API, SaaS, and developer-tool products. It was created to remove the costly infrastructure work behind usage measurement, entitlements, pricing, invoicing, and customer usage visibility. Engineering teams send CloudEvents-compatible usage data to OpenMeter, product teams define packaging and pricing, and finance teams receive auditable billing outputs without each group maintaining a separate system.

The platform supports real-time aggregation, product catalogs, subscriptions, prepaid credits, entitlements, usage limits, customer portals, notifications, and integrations such as Stripe. Teams use it for AI token metering, API monetization, usage-based SaaS billing, infrastructure cost attribution, and hybrid pricing models.

OpenMeter joined Kong Inc. in September 2025. The project continues in the open under the Apache 2.0 license, while the managed product is offered as Konnect Metering & Billing on the Kong Konnect platform. The project source, issue tracker, releases, and contribution process are public on GitHub, giving teams a transparent path from local evaluation to production operation.

Customers can choose the deployment model that fits their security and operational requirements: self-host OpenMeter and control the complete stack, or use the managed service for a supported experience integrated with Kong Konnect. Existing OpenMeter Cloud customers continue to access their environments through openmeter.cloud.

Security and operational trust are part of the product design. Managed deployments are described in the OpenMeter Trust Center, and this website publishes documentation, an OpenAPI specification, SDK links, security information, contact routes, and legal resources so customers and automated agents can verify what OpenMeter offers and how to work with it.