Api Endpoint

api.x402node.dev

Deep wash-trading detection for an x402 seller - samples buyer wallets for freshness, analyses payment timing bursts and wallet reuse to score how likely the seller's sales are self-generated fakes vs real distinct customers - the forensic layer beyond raw revenue, exposing inflated volume that fools everyone else. wash trading detection, fake sales, self trading, x402 authenticity, real customers check, sales fraud detection Accepts payment on Base or Solana — either network works.

Open interactive test console

Offering

Provider: api.x402node.dev
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: General Utilities
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://api.x402node.dev/x402/authenticity
MIME type: application/json
First seen: 2026-10-16T02:09:24.457Z
Last seen: 2026-11-04T01:23:10.227Z
Tags: None supplied

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 4 USDC
Atomic price: 4000000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2: 4 USDC
Atomic price: 4000000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "4000000",
    "payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "4000000",
    "payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up"
  }
]

Observed health

Status: Healthy
Latest latency: 182 ms
Average latency: 341 ms
HTTP status: 402
Last checked: 2026-11-04T01:23:10.222Z
Reachability: 100% over 13 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "address": {
          "type": "string",
          "description": "x402 payTo address to forensically analyze (required)"
        },
        "payTo": {
          "type": "string",
          "description": "Payee address to analyze (optional)"
        }
      },
      "required": [
        "address"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "input": {
      "type": "object",
      "properties": {
        "type": {
          "type": "string",
          "const": "http"
        },
        "method": {
          "type": "string",
          "enum": [
            "GET"
          ]
        },
        "queryParams": {
          "type": "object",
          "properties": {
            "address": {
              "type": "string",
              "description": "x402 payTo address to forensically analyze (required)"
            },
            "payTo": {
              "type": "string",
              "description": "Payee address to analyze (optional)"
            }
          },
          "required": [
            "address"
          ]
        }
      },
      "required": [
        "type",
        "method"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "input"
  ]
}