68trust / 100

Calc Hiri Msm

x402 APIFailing, checked 3 h ago

Smith 2012 seven-item HIV incidence risk index for MSM. Age 18-28=8, 29-40=5, 41-48=2, >=49=0; male partners 0-5=0, 6-10=4, >=11=7; HIV-positive partners 0=0, 1=4, >=2=8; unprotected receptive anal 0=0, >=1=10; insertive anal with HIV-positive partner 0-4=0, >=5=6; poppers 3; amphetamines 5. Range 0-47; at_or_above_10 when score >=10. Caller-assigned. Not a diagnosis or PrEP order.

POST

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

Price: $0.007; per call in USDC
Uptime: 94.1%; last 30 days
Response time: 155 ms; 440 ms slowest 5%
Last check: Failed; 3 h ago, next any minute now

Run a free test call How to call it

Reliability

All checks passedSome failedAll failedNot checked

Latest check failed 3 h ago: Timed out

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

How to call it

POST https://api.magentlab.com/api/calc/hiri_msm

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/hiri_msm
content-type: application/json

{
  "items": [
    {
      "age": 55,
      "amphetamines_6mo": false,
      "hiv_positive_male_partners_6mo": 0,
      "insertive_anal_hiv_positive_6mo": 0,
      "male_sex_partners_6mo": 0,
      "poppers_6mo": false,
      "unprotected_receptive_anal_6mo": 0
    },
    {
      "age": 55,
      "amphetamines_6mo": false,
      "hiv_positive_male_partners_6mo": 0,
      "insertive_anal_hiv_positive_6mo": 0,
      "male_sex_partners_6mo": 0,
      "poppers_6mo": false,
      "unprotected_receptive_anal_6mo": 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, 132 lines

{
  "count": 2,
  "items": [
    {
      "age_years": 55,
      "at_or_above_10": false,
      "citation": {
        "authors": "Smith DK, Pals SL, Herbst JH, Shinde S, Carey JW",
        "doi": "10.1097/QAI.0b013e318256b2f6",
        "id": "smith-dk-2012",
        "pmid": "22487585",
        "source": "J Acquir Immune Defic Syndr. 2012;60(4):421-427",
        "title": "Development of a Clinical Screening Index Predictive of Incident HIV Infection Among Men Who Have Sex With Men in the United States"
      },
      "components": [
        {
          "factor": "age",
          "points": 0,
          "present": false,
          "value": 55
        },
        {
          "factor": "male_sex_partners_6mo",
          "points": 0,
          "present": false,
          "value": 0
        },
        {
          "factor": "hiv_positive_male_partners_6mo",
          "points": 0,
          "present": false,
          "value": 0
        },
        {
          "factor": "unprotected_receptive_anal_6mo",
          "points": 0,
          "present": false,
          "value": 0
        },
        {
          "factor": "insertive_anal_hiv_positive_6mo",
          "points": 0,
          "present": false,
          "value": 0
        },
        {
          "factor": "poppers_6mo",
          "points": 0,
          "present": false
        },
        {
          "factor": "amphetamines_6mo",
          "points": 0,
          "present": false
        }
      ],
      "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": "hiri_msm",
      "formula_expression": "HIRI-MSM = age + male_sex_partners_6mo + hiv_positive_male_partners_6mo + unprotected_receptive_anal_6mo + insertive_anal_hiv_positive_6mo + poppers_6mo + amphetamines_6mo; age 18-28 -> 8, 29-40 -> 5, 41-48 -> 2, >=49 -> 0; male partners 0-5 -> 0, 6-10 -> 4, >=11 -> 7; HIV-positive partners 0 -> 0, 1 -> 4, >=2 -> 8; unprotected receptive anal 0 -> 0, >=1 -> 10; insertive anal with HIV-positive partner 0-4 -> 0, >=5 -> 6; poppers true -> 3; amphetamines true -> 5; max 47; at_or_above_10 iff score>=10",
      "hiv_positive_male_partners_6mo": 0,
      "insertive_anal_hiv_positive_6mo": 0,
      "male_sex_partners_6mo": 0,
      "max_score": 47,
      "score": 0,
      "unprotected_receptive_anal_6mo": 0
    },
    {
      "age_years": 55,
      "at_or_above_10": false,
      "citation": {
        "authors": "Smith DK, Pals SL, Herbst JH, Shinde S, Carey JW",
        "doi": "10.1097/QAI.0b013e318256b2f6",
        "id": "smith-dk-2012",
        "pmid": "22487585",
        "source": "J Acquir Immune Defic Syndr. 2012;60(4):421-427",
        "title": "Development of a Clinical Screening Index Predictive of Incident HIV Infection Among Men Who Have Sex With Men in the United States"
      },
      "components": [
        {
          "factor": "age",
          "points": 0,
          "present": false,
          "value": 55
        },
        {
          "factor": "male_sex_partners_6mo",
          "points": 0,
          "present": false,
          "value": 0
        },
        {
          "factor": "hiv_positive_male_partners_6mo",
          "points": 0,
          "present": false,
          "value": 0
        },
        {
          "factor": "unprotected_receptive_anal_6mo",
          "points": 0,
          "present": false,
          "value": 0
        },
        {
          "factor": "insertive_anal_hiv_positive_6mo",
          "points": 0,
          "present": false,
          "value": 0
        },
        {
          "factor": "poppers_6mo",
          "points": 0,
          "present": false
        },
        {
          "factor": "amphetamines_6mo",
          "points": 0,
          "present": false
        }
      ],
      "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": "hiri_msm",
      "formula_expression": "HIRI-MSM = age + male_sex_partners_6mo + hiv_positive_male_partners_6mo + unprotected_receptive_anal_6mo + insertive_anal_hiv_positive_6mo + poppers_6mo + amphetamines_6mo; age 18-28 -> 8, 29-40 -> 5, 41-48 -> 2, >=49 -> 0; male partners 0-5 -> 0, 6-10 -> 4, >=11 -> 7; HIV-positive partners 0 -> 0, 1 -> 4, >=2 -> 8; unprotected receptive anal 0 -> 0, >=1 -> 10; insertive anal with HIV-positive partner 0-4 -> 0, >=5 -> 6; poppers true -> 3; amphetamines true -> 5; max 47; at_or_above_10 iff score>=10",
      "hiv_positive_male_partners_6mo": 0,
      "insertive_anal_hiv_positive_6mo": 0,
      "male_sex_partners_6mo": 0,
      "max_score": 47,
      "score": 0,
      "unprotected_receptive_anal_6mo": 0
    }
  ],
  "path": "/api/calc/hiri_msm"
}

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/hiri_msm' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":55,"amphetamines_6mo":false,"hiv_positive_male_partners_6mo":0,"insertive_anal_hiv_positive_6mo":0,"male_sex_partners_6mo":0,"poppers_6mo":false,"unprotected_receptive_anal_6mo":0},{"age":55,"amphetamines_6mo":false,"hiv_positive_male_partners_6mo":0,"insertive_anal_hiv_positive_6mo":0,"male_sex_partners_6mo":0,"poppers_6mo":false,"unprotected_receptive_anal_6mo":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/hiri_msm' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":55,"amphetamines_6mo":false,"hiv_positive_male_partners_6mo":0,"insertive_anal_hiv_positive_6mo":0,"male_sex_partners_6mo":0,"poppers_6mo":false,"unprotected_receptive_anal_6mo":0},{"age":55,"amphetamines_6mo":false,"hiv_positive_male_partners_6mo":0,"insertive_anal_hiv_positive_6mo":0,"male_sex_partners_6mo":0,"poppers_6mo":false,"unprotected_receptive_anal_6mo":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%2Fhiri_msm&method=POST
const res = await pay("https://api.magentlab.com/api/calc/hiri_msm", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age": 55,
        "amphetamines_6mo": false,
        "hiv_positive_male_partners_6mo": 0,
        "insertive_anal_hiv_positive_6mo": 0,
        "male_sex_partners_6mo": 0,
        "poppers_6mo": false,
        "unprotected_receptive_anal_6mo": 0
      },
      {
        "age": 55,
        "amphetamines_6mo": false,
        "hiv_positive_male_partners_6mo": 0,
        "insertive_anal_hiv_positive_6mo": 0,
        "male_sex_partners_6mo": 0,
        "poppers_6mo": false,
        "unprotected_receptive_anal_6mo": 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/hiri_msm",
        json={
            "items": [
                {
                    "age": 55,
                    "amphetamines_6mo": False,
                    "hiv_positive_male_partners_6mo": 0,
                    "insertive_anal_hiv_positive_6mo": 0,
                    "male_sex_partners_6mo": 0,
                    "poppers_6mo": False,
                    "unprotected_receptive_anal_6mo": 0,
                },
                {
                    "age": 55,
                    "amphetamines_6mo": False,
                    "hiv_positive_male_partners_6mo": 0,
                    "insertive_anal_hiv_positive_6mo": 0,
                    "male_sex_partners_6mo": 0,
                    "poppers_6mo": False,
                    "unprotected_receptive_anal_6mo": 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
3 h ago	Timed out	-	-	-
8 h ago	Timed out	-	-	-
13 h ago	Passed	402	172 ms	$0.007
18 h ago	Passed	402	398 ms	$0.007
22 h ago	Passed	402	251 ms	$0.007

Show 10 older checks

27 h ago	Passed	402	145 ms	$0.007
32 h ago	Passed	402	155 ms	$0.007
36 h ago	Passed	402	263 ms	$0.007
40 h ago	Passed	402	146 ms	$0.007
44 h ago	Passed	402	440 ms	$0.007
2 days ago	Passed	402	148 ms	$0.007
2 days ago	Passed	402	149 ms	$0.007
2 days ago	Passed	402	163 ms	$0.007
3 days ago	Passed	402	195 ms	$0.007
3 days ago	Passed	402	141 ms	$0.007

History

11 Oct 2026	Price changed from $0.005 to $0.007

Trust score 68/ 100

Availability (30-day uptime)		28 / 30
Valid x402 challenge		15 / 15
Response time		10 / 10
Real paying agents (30 days)		5 / 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: 2 in 30 days
Paid calls: 5 in 30 days
Last paid call: 4 days ago

Source: x402 Bazaar settlement data.

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Trust score

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