71trust / 100

Calc Wat 1

x402 APIPassing, checked 36 min ago

Franck 2008 WAT-1 (Withdrawal Assessment Tool-1). Eleven caller-assigned integers: ten 0/1 signs plus time_to_calm 0-2. Sum 0-12. Cutoff WAT-1 ≥3 vs NRS ≥4. magent does not observe the child. Pediatric iatrogenic opioid/benzodiazepine withdrawal monitoring only. Not a diagnosis, not NAS, not COWS, not CIWA-Ar, and not a medical device.

POST

https://api.magentlab.com/api/calc/wat_1

Price: $0.007; per call in USDC
Uptime: 100%; last 30 days
Response time: 264 ms; 564 ms slowest 5%
Last check: Passed; 36 min ago, next any minute now

Run a free test call How 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://api.magentlab.com/api/calc/wat_1

Each call costs $0.007 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://api.magentlab.com/api/calc/wat_1
content-type: application/json

{
  "items": [
    {
      "loose_watery_stools": 0,
      "muscle_tone": 0,
      "startle_to_touch": 0,
      "state": 0,
      "sweating": 0,
      "temperature_gt_37_8": 0,
      "time_to_calm": 0,
      "tremor": 0,
      "uncoordinated_repetitive_movement": 0,
      "vomiting_retching_gagging": 0,
      "yawning_or_sneezing": 0
    },
    {
      "loose_watery_stools": 0,
      "muscle_tone": 0,
      "startle_to_touch": 0,
      "state": 0,
      "sweating": 0,
      "temperature_gt_37_8": 0,
      "time_to_calm": 0,
      "tremor": 0,
      "uncoordinated_repetitive_movement": 0,
      "vomiting_retching_gagging": 0,
      "yawning_or_sneezing": 0
    }
  ]
}

Parameters

Parameter	Type	Required	Description
`items`	array of object	Yes

Example response

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

Example response, 174 lines

{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Franck LS, Harris SK, Soetenga DJ, Amling JK, Curley MAQ",
        "doi": "10.1097/PCC.0b013e31818c8328",
        "id": "franck-2008",
        "pmid": "18838937",
        "source": "Pediatr Crit Care Med. 2008;9(6):573-580",
        "title": "The Withdrawal Assessment Tool-1 (WAT-1): an assessment instrument for monitoring opioid and benzodiazepine withdrawal symptoms in pediatric patients"
      },
      "components": [
        {
          "factor": "loose_watery_stools",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "vomiting_retching_gagging",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "temperature_gt_37_8",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "state",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "tremor",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "sweating",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "uncoordinated_repetitive_movement",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "yawning_or_sneezing",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "startle_to_touch",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "muscle_tone",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "time_to_calm",
          "points": 0,
          "present": true,
          "value": 0
        }
      ],
      "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
      "formula": "wat_1",
      "formula_expression": "WAT-1 = loose_watery_stools + vomiting_retching_gagging + temperature_gt_37_8 + state + tremor + sweating + uncoordinated_repetitive_movement + yawning_or_sneezing + startle_to_touch + muscle_tone + time_to_calm; ten signs 0 or 1; time_to_calm 0, 1, or 2; Franck 2008 Table 4; max 12; wat1_ge_3 iff total >= 3",
      "max_score": 12,
      "score": 0,
      "wat1_ge_3": false
    },
    {
      "citation": {
        "authors": "Franck LS, Harris SK, Soetenga DJ, Amling JK, Curley MAQ",
        "doi": "10.1097/PCC.0b013e31818c8328",
        "id": "franck-2008",
        "pmid": "18838937",
        "source": "Pediatr Crit Care Med. 2008;9(6):573-580",
        "title": "The Withdrawal Assessment Tool-1 (WAT-1): an assessment instrument for monitoring opioid and benzodiazepine withdrawal symptoms in pediatric patients"
      },
      "components": [
        {
          "factor": "loose_watery_stools",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "vomiting_retching_gagging",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "temperature_gt_37_8",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "state",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "tremor",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "sweating",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "uncoordinated_repetitive_movement",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "yawning_or_sneezing",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "startle_to_touch",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "muscle_tone",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "time_to_calm",
          "points": 0,
          "present": true,
          "value": 0
        }
      ],
      "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
      "formula": "wat_1",
      "formula_expression": "WAT-1 = loose_watery_stools + vomiting_retching_gagging + temperature_gt_37_8 + state + tremor + sweating + uncoordinated_repetitive_movement + yawning_or_sneezing + startle_to_touch + muscle_tone + time_to_calm; ten signs 0 or 1; time_to_calm 0, 1, or 2; Franck 2008 Table 4; max 12; wat1_ge_3 iff total >= 3",
      "max_score": 12,
      "score": 0,
      "wat1_ge_3": false
    }
  ],
  "path": "/api/calc/wat_1"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.007.

curl: see the payment challenge

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/wat_1' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"loose_watery_stools":0,"muscle_tone":0,"startle_to_touch":0,"state":0,"sweating":0,"temperature_gt_37_8":0,"time_to_calm":0,"tremor":0,"uncoordinated_repetitive_movement":0,"vomiting_retching_gagging":0,"yawning_or_sneezing":0},{"loose_watery_stools":0,"muscle_tone":0,"startle_to_touch":0,"state":0,"sweating":0,"temperature_gt_37_8":0,"time_to_calm":0,"tremor":0,"uncoordinated_repetitive_movement":0,"vomiting_retching_gagging":0,"yawning_or_sneezing":0}]}'

# 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://api.magentlab.com/api/calc/wat_1' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"loose_watery_stools":0,"muscle_tone":0,"startle_to_touch":0,"state":0,"sweating":0,"temperature_gt_37_8":0,"time_to_calm":0,"tremor":0,"uncoordinated_repetitive_movement":0,"vomiting_retching_gagging":0,"yawning_or_sneezing":0},{"loose_watery_stools":0,"muscle_tone":0,"startle_to_touch":0,"state":0,"sweating":0,"temperature_gt_37_8":0,"time_to_calm":0,"tremor":0,"uncoordinated_repetitive_movement":0,"vomiting_retching_gagging":0,"yawning_or_sneezing":0}]}' \
  | 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 $0.007 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.007" });
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 $0.007 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fwat_1&method=POST
const res = await pay("https://api.magentlab.com/api/calc/wat_1", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "loose_watery_stools": 0,
        "muscle_tone": 0,
        "startle_to_touch": 0,
        "state": 0,
        "sweating": 0,
        "temperature_gt_37_8": 0,
        "time_to_calm": 0,
        "tremor": 0,
        "uncoordinated_repetitive_movement": 0,
        "vomiting_retching_gagging": 0,
        "yawning_or_sneezing": 0
      },
      {
        "loose_watery_stools": 0,
        "muscle_tone": 0,
        "startle_to_touch": 0,
        "state": 0,
        "sweating": 0,
        "temperature_gt_37_8": 0,
        "time_to_calm": 0,
        "tremor": 0,
        "uncoordinated_repetitive_movement": 0,
        "vomiting_retching_gagging": 0,
        "yawning_or_sneezing": 0
      }
    ]
  }),
});
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 $0.007 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.007"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.magentlab.com/api/calc/wat_1",
        json={
            "items": [
                {
                    "loose_watery_stools": 0,
                    "muscle_tone": 0,
                    "startle_to_touch": 0,
                    "state": 0,
                    "sweating": 0,
                    "temperature_gt_37_8": 0,
                    "time_to_calm": 0,
                    "tremor": 0,
                    "uncoordinated_repetitive_movement": 0,
                    "vomiting_retching_gagging": 0,
                    "yawning_or_sneezing": 0,
                },
                {
                    "loose_watery_stools": 0,
                    "muscle_tone": 0,
                    "startle_to_touch": 0,
                    "state": 0,
                    "sweating": 0,
                    "temperature_gt_37_8": 0,
                    "time_to_calm": 0,
                    "tremor": 0,
                    "uncoordinated_repetitive_movement": 0,
                    "vomiting_retching_gagging": 0,
                    "yawning_or_sneezing": 0,
                },
            ],
        },
    )
    print(res.status_code, res.text)

Security scan

1 finding

Charges more than its listed price in payment
Listed at $0.005, charges $0.007

Recent checks

When	Result	HTTP	Time	Price
36 min ago	Passed	402	564 ms	$0.007
5 h ago	Passed	402	250 ms	$0.007
10 h ago	Passed	402	304 ms	$0.007
15 h ago	Passed	402	345 ms	$0.007
19 h ago	Passed	402	403 ms	$0.007

Show 10 older checks

24 h ago	Passed	402	264 ms	$0.007
28 h ago	Passed	402	301 ms	$0.007
33 h ago	Passed	402	228 ms	$0.007
37 h ago	Passed	402	155 ms	$0.007
41 h ago	Passed	402	314 ms	$0.007
45 h ago	Passed	402	252 ms	$0.007
2 days ago	Passed	402	303 ms	$0.007
2 days ago	Passed	402	154 ms	$0.007
2 days ago	Passed	402	249 ms	$0.007
3 days ago	Passed	402	342 ms	$0.007

History

11 Oct 2026	Price changed from $0.005 to $0.007

Trust score 71/ 100

Availability (30-day uptime)		30 / 30
Valid x402 challenge		15 / 15
Response time		10 / 10
Real paying agents (30 days)		6 / 15
Charges what it lists		0 / 10
Security scan		10 / 10
Verified owner		0 / 10

How the score works

Payment terms

Price: $0.007 per call
Listed at: $0.005 (charges more)
Token: USDC
Networks: Base
Pays to: 0x836B…9Ee2

Real usage

Paying agents: 3 in 30 days
Paid calls: 6 in 30 days
Last paid call: 4 days ago

Source: x402 Bazaar settlement data.

Is this your service?

Verify ownership to get the badge and 10 more trust points. Featured placement needs it too.

Verify ownership

Changed something? Check it again now and see what agents get.

Show the score

A badge for your README or docs. It updates with every check and links here.

Trust score

[![ToolVet trust score](https://toolvet.app/badge/calc-wat-1.svg)](https://toolvet.app/s/calc-wat-1)