x402 seller attribution intelligence
x402 seller attribution intelligence: reported calls versus catalog-attributed on-chain USDC flow, payer-address concentration and forensic signals. Attribution is not protocol or fraud proof.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
1143 msmedian answer time
$0.05listed price per call
$0.05price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.x402intel.uk/x402-authenticity/:payTo
| Category | Market data |
|---|---|
| Provider host | api.x402intel.uk |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 64 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.05 | 1143 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"payTo": "0x5a78ace5dd133316c8aaf7e156fbfc57e1209cf9"
},
"queryParams": {},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"additionalProperties": false,
"properties": {
"payTo": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
}
},
"required": [
"payTo"
],
"type": "object"
},
"queryParams": {
"additionalProperties": false,
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": true,
"properties": {},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}