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: 1 of the last 9 checks
Median response: 123 ms
Last checked: 17 Oct, 07:50 UTC
In our index since: 26 Sept 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.

4 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://presign-guard.onrender.com/v1

POST/check/explain$0.03Pre-sign risk verdict plus a plain-language explanation in Dutch or English
POST/check$0.01Is 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.
GET/token$0.01Is this token safe to buy, or a honeypot or rug pull? Checks a Solana or EVM token before you buy, hold or accept it (mint or freeze authority still active, LP not locked, buy/sell tax, low liquidity, brand-new token, concentrated holders) and answers green/orange/red with a grade (SAFE/CAUTION/RISKY/AVOID), the reasons, a one-line summary and market data
GET/approvals$0.02Wallet approval audit (green/orange/red, grade, one-line summary): every open ERC-20 allowance of an EVM wallet with who the spender is (flagged, plain wallet, unverified, unlimited) and which ones to revoke

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 4 of 4 listed endpoints.

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

Recent checks

2 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.17 Oct 2026

All 9 checks

When (UTC)	Result	HTTP	Response
17 Oct, 07:50 UTC	No challenge detected	404	121ms
15 Oct, 21:29 UTC	No challenge detected	404	234ms
14 Oct, 14:31 UTC	No challenge detected	404	149ms
12 Oct, 10:53 UTC	No challenge detected	404	148ms
10 Oct, 15:44 UTC	No challenge detected	404	186ms
9 Oct, 09:34 UTC	No challenge detected	404	264ms
8 Oct, 03:32 UTC	No challenge detected	404	320ms
6 Oct, 21:30 UTC	No challenge detected	404	285ms
2 Oct, 05:04 UTC	Challenge detected	402	123ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 17 Oct, 07:50 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 26 Sept 2026.

Something wrong on this page? Tell us.