Endpoint · computePOSTapi.agentstools.dev /crypto/verify
Verify an EIP-191 personal_sign or EIP-712 typed-data signature and recover the signer address from public inputs (message + signature).
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Verify an EIP-191 personal_sign or EIP-712 typed-data signature and recover the signer address from public inputs (message + signature). Verification/recovery only — never signs.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.003 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.agentstools.dev/crypto/verify
Seen
first 35 days ago · last 18 days ago
45 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Polygon, Arbitrum, Base, Solana
Disagrees with the offer
Score, from free handshakes onlyweights 2026.09.4
UN
RATED
RATED
0.743 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.257: 0.126 uncertain ? + 0.131 short ? · 0.057 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.35 | 0.123 | 0.025 | −0.131 | −0.044 | |
| liveness it answered at all |
0.60 | 1.00 | 0.863 | 0.518 | 0 | −0.082 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.743 | gap to 1.000 = 0.257 · 0.131 short · 0.126 uncertain | 0.743 | −0.131 | −0.126 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.123 latency p95
+ 0.600 × 0.863 liveness
+ 0.200 × 1.000 price stability
= 0.743 → UNRATED: 45 of 30 paid calls weights 2026.09.4 · 45 samples · seed cap_01M1A5A45AGQBQW57WBSW6YHN0|2026-08-23T21:20:07.509Z|2026.09.4
Verify it yourself
npx teppi-check https://api.agentstools.dev/crypto/verifycurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A45AGQBQW57WBSW6YHN0