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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.
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.
On the analytics side, TokenTab competes within SaaS, Developer Tools and Artificial Intelligence — topics that collectively have 1M followers on Product Hunt. The dashboard above tracks how TokenTab performed against the three products that launched closest to it on the same day.
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.
For a complete overview of TokenTab including community comment highlights and product details, visit the product overview.
Nikilesh Kopparthi