Usagey is a developer-first toolkit that empowers SaaS and API-focused teams to implement usage-based billing quickly—without building metering systems from scratch.
Real-time usage tracking for API calls, custom events, storage, and more
Flexible pricing models: tiered, per-unit, and hybrid billing
Native integrations with PayPal for automated invoicing
Built-in dashboards for real-time usage insights, analytics, and revenue forecasting
RESTful tracking API with support for both batch and real-time ingestion
Seamless frontend SDKs: React, Node.js, TypeScript (npm package : https://www.npmjs.com/package/usagey)
PayPal support
Minimal setup: install via [ npm install usagey ] and integrate in under 5 minutes
No heavy infra like Kafka or ClickHouse required
Free tier available, with simple upgrade paths up to enterprise-level plans