Api Endpoint

sentinel.rootstuff.io

Dead-man switch: a signed callback when your heartbeats stop

Open interactive test console

Offering

Provider: sentinel.rootstuff.io
Method: OPTIONS
Offering type: Api Endpoint
Transport type: http
Category: Other
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://sentinel.rootstuff.io/x402/deadman
MIME type: application/json
First seen: 2026-10-29T06:52:31.320Z
Last seen: 2026-11-04T16:43:01.869Z
Tags: None supplied

Website

Payment pricing

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

Payment option 1: 0.05 USDC
Atomic price: 50000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "payTo": "0x38287535a4f47f53360940cfad8bf9ac5bc04a69"
  }
]

Observed health

Status: Healthy
Latest latency: 240 ms
Average latency: 73 ms
HTTP status: 402
Last checked: 2026-11-04T16:43:01.863Z
Reachability: 100% over 2 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": [
        "OPTIONS"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "properties": {
        "callback_url": {
          "type": "string",
          "description": "Public https URL that receives the POST. Private and reserved addresses are refused; redirects are not followed."
        },
        "timeout_seconds": {
          "type": "integer",
          "description": "Longest silence allowed between heartbeats, 60 to 86400."
        },
        "payload": {
          "type": "object",
          "description": "Up to 4 KB of JSON echoed back in the callback."
        }
      },
      "required": [
        "callback_url",
        "timeout_seconds"
      ]
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object"
    }
  },
  "required": [
    "type"
  ]
}