x402 Preflight Verdict
Pre-payment safety check for any x402 endpoint. Use when your agent is about to pay an x402 URL it has not paid before, found it in a catalog, or the price or payee looks unfamiliar. Sends one unpaid probe (never pays or signs) and returns
Go to this service →Our latest check (2026-10-12)
- Answering
- No — HTTP 404
- Time to answer
- 207 ms
- Price
- $0.002 per call
- Paying buyers, last 30 days
- 1 (directory's own records)
- Paid calls, last 30 days
- 6
- Category
- Payments and on-ramps
- Address
- https://x402-verdict.onrender.com/verdict
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/1efa1521720f.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).