Endpoint · evidenceGETmaraventanoindex.com /api/x402-operator-census/lookup
Per-call counterparty lookup.
Read more
Per-call counterparty lookup. Pass ?ua=<counterparty-UA>. Returns ONE signed row: has_record (yes/no), payment-attached count, settlement count, class, verdict (known_payer | known_freeloader | low_signal | unknown), with Ed25519 attestation. Pay $0.01 USDC on Base or Solana per call. Call it before every transaction to check if a counterparty has ever paid at this merchant seat. Wallet-based lookup (?wallet=) reserved for v2.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://maraventanoindex.com/api/x402-operator-census/lookup
Seen
first 14 hr ago · last 14 hr ago
1 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC, Solana
Listed on?
Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.250 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.750: 0.750 uncertain ? + 0.000 short ? · 0.200 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.75 | 1.00 | 0.000 | 0.000 | 0 | −0.750 | |
| latency p95 it answered as fast as its class |
0.25 | 1.00 | 1.000 | 0.250 | 0 | 0 | |
| Composite | 1.00 | 0.250 | gap to 1.000 = 0.750 · 0.000 short · 0.750 uncertain | 0.250 | −0.000 | −0.750 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check; price stability · nothing to score
The multiplication, written out
0.750 × 0.000 liveness
+ 0.250 × 1.000 latency p95
= 0.250 → UNRATED: 1 of 30 paid calls weights 2026.09.6 · 1 samples · seed cap_01M42Q5QPBV1VDBJXZCWZFVMHB|2026-09-04T06:39:21.903Z|2026.09.6
Verify it yourself
npx teppi-check https://maraventanoindex.com/api/x402-operator-census/lookupcurl -s https://api.teppi.xyz/v1/trust/cap_01M42Q5QPBV1VDBJXZCWZFVMHB