Discover / x402-verdict.onrender.com

x402-verdict.onrender.com

□ No challenge detected

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 safe_to_pay, confidence 0-1, reasons, and checks: live 402 challenge, USDC asset, price and payTo vs the Coinbase Bazaar listing, latency, 30-day paying wallets. Costs less than one bad payment.

x402
Base Sepolia
USDC

Listed price: $0.002
Challenge detected: 0 of the last 4 checks
Last checked: 16 Oct, 21:16 UTC
In our index since: 11 Oct 2026

Endpoint

curl -i https://x402-verdict.onrender.com/verdict
# 402 Payment Required: pay with an x402 client (USDC on Base Sepolia),
# then send the same request again with the payment attached.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/x402-verdict.onrender.com

Recent checks

11 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026

All 4 checks

When (UTC)	Result	HTTP	Response
16 Oct, 21:16 UTC	No challenge detected	404	223ms
15 Oct, 14:11 UTC	No challenge detected	404	179ms
14 Oct, 00:19 UTC	No challenge detected	404	192ms
11 Oct, 22:04 UTC	No challenge detected	404	189ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 16 Oct, 21:16 UTC, we detected no payment challenge.

What price is recorded for x402-verdict.onrender.com?

Its listed price is $0.002.

What payment terms does x402-verdict.onrender.com advertise?

The listing advertises x402, Base Sepolia and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is x402-verdict.onrender.com listed?

In x402 Bazaar. Superstables first indexed it on 11 Oct 2026.

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