x402station.io API reference

Current decoy / zombie blacklist

Export currently flagged active endpoints so an agent can seed a local denylist.

This HTML page is served by GET /api/v1/catalog/decoys. The paid API operation remains POST /api/v1/catalog/decoys.

Signature
POST /api/v1/catalog/decoys

Pricing
$0.005 USDC

Settlement
x402 v2 · exact · Base mainnet USDC

Canonical
https://x402station.io/api/v1/catalog/decoys

x402 challenge example

HTTP/1.1 402 Payment Required
payment-required: <base64 PaymentRequiredResponse>
www-authenticate: x402
content-type: application/json; charset=utf-8

{
  "x402Version": 2,
  "error": "Payment required",
  "resource": {
    "url": "https://x402station.io/api/v1/catalog/decoys",
    "description": "Current decoy / zombie blacklist"
  },
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "asset": "USDC",
      "amount": "5000",
      "payTo": "0x4053338C7cB38624C0bc23c900F78Cf8470b4E38",
      "maxTimeoutSeconds": 300
    }
  ]
}

Request body

{}

Success response

{
  "generated_at": "2026-06-12T00:00:00.000Z",
  "count": 2,
  "endpoints": [
    {
      "url": "https://api.example.com/decoy",
      "warnings": [
        "decoy_price_extreme"
      ]
    },
    {
      "url": "https://api.example.com/dead",
      "warnings": [
        "dead_7d"
      ]
    }
  ]
}

Error codes

status	meaning
`400`	Malformed JSON body, invalid URL, or missing required field.
`402`	Payment required. Decode payment-required, sign x402, retry.
`503`	Query/probe pipeline timeout. Treat as failed preflight; do not pay target blindly.

Notes