Index onlineMerchant portal
Api Endpoint

402-preflight

x402-preflight: confirm your wallet can transact, and see your balance, in one certified call. Pay $0.01 USDC on Base, get a signed on-chain-anchored receipt. The safe first transaction before you ship real volume.

Open interactive test console

Offering

Provider
kenoodl.com
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://kenoodl.com/preflight
MIME type
application/json
First seen
2026-10-16T02:14:05.658Z
Last seen
Tags
preflight, payment-verification, wallet-check, settlement, balance

Website

Payment pricing

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

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0x3A7292b88471691946D8D8856925e22246bed743"
  }
]

Observed health

Status
Degraded
Latest latency
108 ms
Average latency
478 ms
HTTP status
410
Last checked
Reachability
92.9% 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"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "properties": {
        "wallet": {
          "type": "string",
          "description": "The Base wallet you want to preflight. If omitted, it defaults to the paying wallet read from the x402 payment payload."
        }
      },
      "required": [
        "wallet"
      ]
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "properties": {
        "status": {
          "type": "string",
          "enum": [
            "settled"
          ]
        },
        "receipt": {
          "type": "object",
          "properties": {
            "tx_hash": {
              "type": "string"
            },
            "payer": {
              "type": "string"
            },
            "usdc_balance": {
              "type": "string"
            },
            "eth_balance": {
              "type": "string"
            },
            "prev_settlement_tx": {
              "type": [
                "string",
                "null"
              ]
            },
            "genesis_deploy_tx": {
              "type": [
                "string",
                "null"
              ]
            }
          },
          "required": [
            "tx_hash",
            "payer",
            "usdc_balance",
            "eth_balance"
          ]
        }
      },
      "required": [
        "status",
        "receipt"
      ]
    }
  },
  "required": [
    "type"
  ]
}