Endpoint · researchPOSTpresign-guard.onrender.com /v1/check
Is this transaction, approval or signature safe to sign?
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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.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.01 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://presign-guard.onrender.com/v1/check
Seen
first 9 days ago · last 14 hr ago
22 free handshakes
Payment
Pays through
x402 · MPP evm, tempo
Offered on?
Base USDC, Tempo 0x8335…2913
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.624 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.376: 0.176 uncertain ? + 0.200 short ? · 0.026 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| liveness it answered at all |
0.60 | 1.00 | 0.707 | 0.424 | 0 | −0.176 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.624 | gap to 1.000 = 0.376 · 0.200 short · 0.176 uncertain | 0.624 | −0.200 | −0.176 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.707 liveness
+ 0.200 × 1.000 price stability
= 0.624 → UNRATED: 21 of 30 paid calls weights 2026.09.6 · 21 samples · seed cap_01M3BHEXX53ZNDYX9HRPTYJKCP|2026-09-04T09:16:09.270Z|2026.09.6
Verify it yourself
npx teppi-check https://presign-guard.onrender.com/v1/checkcurl -s https://api.teppi.xyz/v1/trust/cap_01M3BHEXX53ZNDYX9HRPTYJKCP