Question: Can you recommend a scalable metering system that integrates with popular programming languages like Node.js and Python?

If you need a metering system that scales and that works with common programming languages like Node.js and Python, OpenMeter is a top contender for a usage-based billing and cloud cost management system. It can be used for a variety of use cases like AI, API, DevOps, and IoT, and offers real-time customer dashboards, balances, credits, and quotas management, along with low-latency limit enforcement. It also offers a range of integration options, including collectors for commonly used tools and frameworks, pre-built client SDKs, and native Stripe integration.

Another top contender is Pipedream, which lets developers build complex applications that span their stack of services. It supports Node.js, Python, Go, and Bash, and lets developers tap into more than 2,100 APIs through npm and PyPI packages. Pipedream offers instant deployment and access to npm and PyPI packages, so you can easily integrate with many services. It also offers one-click built-in services for quick development with AI.

If you need a headless pricing platform, Stigg offers APIs and SDKs for building and managing pricing plans, feature limits, usage metering, trials, paywalls and customer portals. It integrates with services like Stripe, AWS Marketplace and Snowflake, and uses a pay-as-you-go pricing model with a free tier.

Last, Paigo is an all-in-one SaaS billing management automation platform that supports multiple pricing models and integrates with thousands of apps. It offers a customizable billing OS, scalable real-time metering, a no-code billing stack and analytics for extracting insights from billing and usage data. Paigo's free forever plan with unlimited access to features makes it a good option for flexibility and scalability.