Index onlineMerchant portal
Api Endpoint

AgentCheck

AgentCheck: independent report on an x402 seller before you pay it. Are its buyers real (repeat wallets on their own money) or funded by the seller itself, measured from 30 days of on-chain payments, plus results of our own paid test purchases where we have them. Query: ?domain=<seller-domain>. GET /sellers (free) lists covered domains.

Open interactive test console

Offering

Provider
agentcheck-kohl.vercel.app
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Security
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://agentcheck-kohl.vercel.app/report
MIME type
application/json
First seen
2026-10-16T01:50:24.663Z
Last seen
Tags
X402, seller-reputation, quality, Trust, Verification

Website

Payment pricing

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

Payment option 1
0.002 USDC
Atomic price: 2000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "payTo": "0x60C423F6a0f65C5C0cA227C20f416ef132075915"
  }
]

Observed health

Status
Healthy
Latest latency
115 ms
Average latency
66 ms
HTTP status
402
Last checked
Reachability
100% over 14 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": {
        "domain": {
          "type": "string",
          "description": "Seller domain to look up, e.g. api.exa.ai. GET /sellers (free) lists covered domains."
        }
      },
      "required": [
        "domain"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "domain": {
              "description": "Seller domain to look up, e.g. api.exa.ai. GET /sellers (free) lists covered domains.",
              "type": "string"
            }
          },
          "required": [
            "domain"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "domain": {
              "type": "string"
            },
            "findings": {
              "items": {
                "type": "string"
              },
              "type": "array"
            },
            "purchases": {
              "type": "integer"
            },
            "tested": {
              "type": "string"
            },
            "verdict": {
              "type": "string"
            }
          },
          "required": [
            "domain",
            "tested",
            "purchases",
            "findings",
            "verdict"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}