TrollBridge
Prompt cost estimator — paste a prompt, get a heuristic token estimate and what it would cost across every model in the /models catalog, cheapest first. Heuristic estimate, not an exact tokenizer count. Toll: $0.02 USDC on Base or Solana.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 193 ms
- Price
- $0.020 per call
- Paying buyers, last 30 days
- 1 (directory's own records)
- Paid calls, last 30 days
- 1
- Category
- Unclassified
- Address
- https://mini-tollbooth.onrender.com/prompt-cost
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
For agents
This page as JSON: /sellers/814d337ec72a.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).