x402station.io API reference

7-day endpoint forensics report

Probe-history report for one URL: uptime, latency percentiles, status distribution, concentration, and deeper risk signals.

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

Signature
POST /api/v1/forensics

Pricing
$0.001 USDC

Settlement
x402 v2 · exact · Base mainnet USDC

Canonical
https://x402station.io/api/v1/forensics

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/forensics",
    "description": "7-day endpoint forensics report"
  },
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "asset": "USDC",
      "amount": "1000",
      "payTo": "0x4053338C7cB38624C0bc23c900F78Cf8470b4E38",
      "maxTimeoutSeconds": 300
    }
  ]
}

Request body

{
  "url": "https://api.example.com/x402-endpoint"
}

Success response

{
  "url": "https://api.example.com/x402-endpoint",
  "window_days": 7,
  "uptime_pct": 98.4,
  "latency_ms": {
    "p50": 410,
    "p90": 890,
    "p99": 2100
  },
  "signals": [
    "slow_p99"
  ],
  "ok": true
}

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