Api Endpoint

x402 Preflight

Payability preflight: audits an x402 seller's 402 challenge

Open interactive test console

Offering

Provider: x402.nodeventures.io
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://x402.nodeventures.io/check
MIME type: application/json
First seen: 2026-10-16T01:50:32.458Z
Last seen: 2026-11-02T00:22:29.126Z
Tags: X402, audit, preflight, seller-terms

Website

Payment pricing

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

Payment option 1: 0.005 USDC
Atomic price: 5000 · Network: eip155:84532 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:84532",
    "asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
    "amount": "5000",
    "payTo": "0x2951A64a3befb6DC4d7Ad399C7B2D6a8Ee5d3Eea"
  }
]

Observed health

Status: Healthy
Latest latency: 4057 ms
Average latency: 1591 ms
HTTP status: 402
Last checked: 2026-11-02T00:22:29.119Z
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": {
        "url": {
          "type": "string"
        },
        "network": {
          "type": "string"
        },
        "asset": {
          "type": "string"
        },
        "method": {
          "type": "string",
          "enum": [
            "GET",
            "POST"
          ]
        }
      },
      "required": [
        "url"
      ]
    }
  },
  "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": {
            "asset": {
              "type": "string"
            },
            "method": {
              "enum": [
                "GET",
                "POST"
              ],
              "type": "string"
            },
            "network": {
              "type": "string"
            },
            "url": {
              "type": "string"
            }
          },
          "required": [
            "url"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}