Discover / presign-guard.onrender.com

presign-guard

□ No challenge detected

Is this transaction, approval or signature safe to sign? Check it before your AI agent or wallet signs it: pre-sign verdict (green/orange/red + reason codes) for EVM transactions, token approvals and Permit/Permit2/EIP-3009/Seaport signatures. Screens the spender or recipient wallet for OFAC sanctions and scam, phishing or theft reports, and flags unlimited allowances, plain-wallet spenders and risky tokens. Bulk: 100 checks for $0.80 via /v1/credits.

x402
Base
Solana
USDC

Listed price: $0.01
Challenge detected: 0 of the last check
Last checked: 14 Oct, 21:21 UTC
In our index since: 14 Oct 2026

Endpoint

curl -i https://presign-guard.onrender.com/v1/check
# 402 Payment Required: pay with an x402 client (USDC on Base),
# 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/presign-guard.onrender.com

Recent checks

14 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.14 Oct 2026

All 1 checks

When (UTC)	Result	HTTP	Response
14 Oct, 21:21 UTC	No challenge detected	404	130ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 14 Oct, 21:21 UTC, we detected no payment challenge.

What price is recorded for presign-guard?

Its listed price is $0.01.

What payment terms does presign-guard advertise?

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

Where is presign-guard listed?

In x402 Bazaar. Superstables first indexed it on 14 Oct 2026.

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