ToolVet
80trust / 100

Events Profile

by detect.halowerk.com in Other

x402 APIPassing, checked 3 h ago

An agent that validates an offline event workflow needs state reachability, retry-window bounds, replay timing, correlation lineage and sequence continuity in one supplied artifact.

POST
https://detect.halowerk.com/v1/events/profile
Price
$0.01
per call in USDC
Uptime
100%
last 30 days
Response time
102 ms
163 ms slowest 5%
Last check
Passed
3 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed · Watch with other listings

How to call it

POST https://detect.halowerk.com/v1/events/profile

Each call costs $0.01 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://detect.halowerk.com/v1/events/profile
content-type: application/json

{
  "artifact": {
    "events": [
      {
        "correlation": "synthetic-group",
        "id": "synthetic-a",
        "parent": null,
        "signed_ms": 100
      },
      {
        "correlation": "synthetic-group",
        "id": "synthetic-b",
        "parent": "synthetic-a",
        "signed_ms": 110
      }
    ],
    "first": 1,
    "initial": "queued",
    "last": 3,
    "now_ms": 110,
    "policy": {
      "attempts": 3,
      "base_ms": 10,
      "factor": 2,
      "max_interval_ms": 100,
      "retention_ms": 20
    },
    "sequence": [
      1,
      3
    ],
    "terminal": [
      "done"
    ],
    "transitions": [
      [
        "queued",
        "running"
      ],
      [
        "running",
        "done"
      ]
    ],
    "window_ms": 30
  }
}

Parameters

ParameterTypeRequiredDescription
artifactobjectYes

Example response

The provider's example. We can't check it without paying.

Example response, 128 lines
{
  "billable": true,
  "findings": [
    {
      "confidence": 100,
      "evidence": [
        {
          "page_indices": [],
          "page_url": null,
          "pattern": "job-state-reachability_scoped_evidence",
          "type": "artifact"
        }
      ],
      "limits": [
        "Only supplied artifact values are measured; no network access or runtime behavior is verified."
      ],
      "module": "job-state-reachability",
      "module_cpu_ms": 0,
      "state": "not_observed",
      "value": {
        "outgoing_final_transitions": 0,
        "reachable_states": 3,
        "unreachable_terminals": 0
      },
      "warnings": []
    },
    {
      "confidence": 100,
      "evidence": [
        {
          "page_indices": [],
          "page_url": null,
          "pattern": "retry-schedule-window_scoped_evidence",
          "type": "artifact"
        }
      ],
      "limits": [
        "Only supplied artifact values are measured; no network access or runtime behavior is verified."
      ],
      "module": "retry-schedule-window",
      "module_cpu_ms": 0,
      "state": "observed",
      "value": {
        "retries_beyond_retention": 2,
        "scheduled_retries": 3,
        "total_delay_ms": 70
      },
      "warnings": []
    },
    {
      "confidence": 100,
      "evidence": [
        {
          "page_indices": [],
          "page_url": null,
          "pattern": "event-replay-window_scoped_evidence",
          "type": "artifact"
        }
      ],
      "limits": [
        "Only supplied artifact values are measured; no network access or runtime behavior is verified."
      ],
      "module": "event-replay-window",
      "module_cpu_ms": 0,
      "state": "not_observed",
      "value": {
        "ahead_of_window": 0,
        "duplicate_identifiers": 0,
        "older_than_window": 0
      },
      "warnings": []
    },
    {
      "confidence": 100,
      "evidence": [
        {
          "page_indices": [],
          "page_url": null,
          "pattern": "event-correlation-lineage_scoped_evidence",
          "type": "artifact"
        }
      ],
      "limits": [
        "Only supplied artifact values are measured; no network access or runtime behavior is verified."
      ],
      "module": "event-correlation-lineage",
      "module_cpu_ms": 0,
      "state": "not_observed",
      "value": {
        "correlation_changes": 0,
        "event_count": 2,
        "missing_parent_events": 0
      },
      "warnings": []
    },
    {
      "confidence": 100,
      "evidence": [
        {
          "page_indices": [],
          "page_url": null,
          "pattern": "event-sequence-continuity_scoped_evidence",
          "type": "artifact"
        }
      ],
      "limits": [
        "Only supplied artifact values are measured; no network access or runtime behavior is verified."
      ],
      "module": "event-sequence-continuity",
      "module_cpu_ms": 0,
      "state": "observed",
      "value": {
        "adjacent_order_inversions": 0,
        "missing_declared_sequence_numbers": 1,
        "outside_declared_interval": 0,
        "repeated_sequence_numbers": 0
      },
      "warnings": []
    }
  ],
  "known_count": 5,
  "scope": {
    "contact_values_returned": false,
    "network": false,
    "supplied_artifact_only": true
  },
  "warnings": []
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.01.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://detect.halowerk.com/v1/events/profile' \
  -H 'content-type: application/json' \
  --data-raw '{"artifact":{"events":[{"correlation":"synthetic-group","id":"synthetic-a","parent":null,"signed_ms":100},{"correlation":"synthetic-group","id":"synthetic-b","parent":"synthetic-a","signed_ms":110}],"first":1,"initial":"queued","last":3,"now_ms":110,"policy":{"attempts":3,"base_ms":10,"factor":2,"max_interval_ms":100,"retention_ms":20},"sequence":[1,3],"terminal":["done"],"transitions":[["queued","running"],["running","done"]],"window_ms":30}}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://detect.halowerk.com/v1/events/profile' \
  -H 'content-type: application/json' \
  --data-raw '{"artifact":{"events":[{"correlation":"synthetic-group","id":"synthetic-a","parent":null,"signed_ms":100},{"correlation":"synthetic-group","id":"synthetic-b","parent":"synthetic-a","signed_ms":110}],"first":1,"initial":"queued","last":3,"now_ms":110,"policy":{"attempts":3,"base_ms":10,"factor":2,"max_interval_ms":100,"retention_ms":20},"sequence":[1,3],"terminal":["done"],"transitions":[["queued","running"],["running","done"]],"window_ms":30}}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fdetect.halowerk.com%2Fv1%2Fevents%2Fprofile&method=POST
const res = await pay("https://detect.halowerk.com/v1/events/profile", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "artifact": {
      "events": [
        {
          "correlation": "synthetic-group",
          "id": "synthetic-a",
          "parent": null,
          "signed_ms": 100
        },
        {
          "correlation": "synthetic-group",
          "id": "synthetic-b",
          "parent": "synthetic-a",
          "signed_ms": 110
        }
      ],
      "first": 1,
      "initial": "queued",
      "last": 3,
      "now_ms": 110,
      "policy": {
        "attempts": 3,
        "base_ms": 10,
        "factor": 2,
        "max_interval_ms": 100,
        "retention_ms": 20
      },
      "sequence": [
        1,
        3
      ],
      "terminal": [
        "done"
      ],
      "transitions": [
        [
          "queued",
          "running"
        ],
        [
          "running",
          "done"
        ]
      ],
      "window_ms": 30
    }
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://detect.halowerk.com/v1/events/profile",
        json={
            "artifact": {
                "events": [
                    {
                        "correlation": "synthetic-group",
                        "id": "synthetic-a",
                        "parent": None,
                        "signed_ms": 100,
                    },
                    {
                        "correlation": "synthetic-group",
                        "id": "synthetic-b",
                        "parent": "synthetic-a",
                        "signed_ms": 110,
                    },
                ],
                "first": 1,
                "initial": "queued",
                "last": 3,
                "now_ms": 110,
                "policy": {
                    "attempts": 3,
                    "base_ms": 10,
                    "factor": 2,
                    "max_interval_ms": 100,
                    "retention_ms": 20,
                },
                "sequence": [
                    1,
                    3,
                ],
                "terminal": [
                    "done",
                ],
                "transitions": [
                    [
                        "queued",
                        "running",
                    ],
                    [
                        "running",
                        "done",
                    ],
                ],
                "window_ms": 30,
            },
        },
    )
    print(res.status_code, res.text)

Security scan

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