OpenRouter chatbot with Polar billing

Fork the OpenRouter + Polar chatbot demo, add your API keys, and deploy it to ship usage-based billing without building metering from scratch.

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Live demo

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Source repository

Fork and deploy from GitHub:

• Repo: narevai/chatbot-with-billing-polar
• Stack: OpenRouter, @ai-billing/openrouter, @ai-billing/polar, @ai-billing/nextjs

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What the demo shows

• Vercel AI SDK chat route with Narev billing middleware
• providerOptions['ai-billing-tags'] with a stable userId on every billed call
• Polar as the usage destination

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What to do next

• Narev SDK quickstart
• Polar billing integration
• Next.js billing patterns