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TokenTab
Per-customer LLM cost attribution by changing a base URL
A proxy for OpenAI, Anthropic and Gemini. Change the SDK base URL, keep your provider key, add X-Customer and X-Feature headers. Reports group cost by customer, feature or model; nightly push to Stripe Billing Meters. 10,000 requests/month free.
I built TokenTab because the OpenAI dashboard tells you what you spent but not which of your customers caused it. It is a proxy: you change your SDK base URL to /proxy/openai/v1 (Anthropic and Gemini paths too), keep your provider key in an X-Upstream-Key header, and add X-Customer and optionally X-Feature per request. The response passes through unchanged; only the usage block is read and priced against a bundled rate table. GET /report?group=customer|feature|model returns rows sorted by cost, so the first row is the answer. POST /meters pushes yesterday's tokens per customer into Stripe Billing Meters at 02:00 UTC with idempotent identifiers. Limitations in v1: non-streaming requests only, unknown models record tokens at zero cost, bodies are capped at 4MB, and request bodies are not stored. The first 10,000 requests a month are free, then $29 for a million and $79 for ten million. I would like to know whether grouping by feature matches how you think about margin.
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About TokenTab on Product Hunt
“Per-customer LLM cost attribution by changing a base URL”
TokenTab was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #159 on the daily leaderboard. A proxy for OpenAI, Anthropic and Gemini. Change the SDK base URL, keep your provider key, add X-Customer and X-Feature headers. Reports group cost by customer, feature or model; nightly push to Stripe Billing Meters. 10,000 requests/month free.
TokenTab was featured in SaaS (44.3k followers), Developer Tools (519.8k followers) and Artificial Intelligence (479.1k followers) on Product Hunt. Together, these topics include over 264k products, making this a competitive space to launch in.
Who hunted TokenTab?
TokenTab was hunted by Nikilesh Kopparthi. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Nikilesh Kopparthi