Show HN: TokenWatch – Real-Time AI API Cost Monitor for OpenAI/Anthropic/Gemini
avolcoff Friday, March 13, 2026Hey HN! Built this after watching engineering teams repeatedly get surprised by AI API invoices — no visibility into spend until the bill landed.
TokenWatch connects to your OpenAI, Anthropic, and Gemini keys and gives you: - Real-time spend dashboard across projects - Budget thresholds with proactive alerts - Anomaly detection for unusual cost spikes - Duplicate call detection (biggest source of wasted spend I've seen)
Free tier supports up to 3 AI systems. Built this in ~2 days as a solo project. Happy to answer anything about the build or the problem space.
Summary
The article discusses the potential implications of the growing popularity of non-fungible tokens (NFTs) and their impact on various industries, including art, gaming, and finance. It explores the opportunities and challenges presented by this emerging technology, highlighting both the benefits and concerns surrounding its widespread adoption.
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tokenwatch-ten.vercel.app