Polar — A billing platform for the intelligence era
💳✨ Add usage-based credits to your Rails app
Stripe-native usage metering with real-time cost projections, exactly-once processing, and invoice parity guarantees.
Usage billing dashboard plugin for DeepSeek Harness: sidebar cost metrics, real usage aggregation from session logs, current multi-provider pricing catalog
Advanced billing engine for Laravel: subscriptions, proration, usage metering, addons, credit notes, and pluggable invoice/tax drivers on PostgreSQL. Built for SaaS, IaaS, and usage-based products.
Multi-tenant usage billing control plane with direct Stripe integration — pricing catalog, invoicing, payments, dunning, and operator tooling.
Bablo — production-oriented multi-user AI Gateway with a self-owned control plane and isolated CPA SDK inference adapter.
PriceOps — independent third-party profile of a public API surface, by API Evangelist. PriceOps is a pricing and packaging infrastructure platform for SaaS companies that enables simulation of pricing strategies, design of packaging tiers, and launch of pricing pages within minutes.
Quote-as-ceiling billing for AI agent APIs that charge by the step - pre-estimate cost, enforce it as a hard ceiling, absorb overruns. Three CI-enforced invariants, ASC 606 compliant, production-extracted.
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