Per-call counterparty lookup. Pass ?ua=<counterparty-UA>. Returns ONE signed row...
https://maraventanoindex.com/api/x402-operator-census/lookup?Overview
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 | probe_only | 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.
Protocol
x402
Price
$0.01
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto/transactions
Provider
maraventanoindex
Source
bazaar
Indexed
2026-11-04 10:04:36
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {},
"type": "http"
}
Output Schema
{
"example": {
"content": "One signed row (has_record, payment_attached, settlements, verdict)",
"delivered_at": "2026-10-02T00:00:00Z",
"product": "operator_census_lookup",
"title": "Operator Census Lookup"
},
"type": "json"
}