70trust / 100

Calc Rbc Abo

by magent in Other

x402 APIPassing, checked 4 h ago

AABB Standards 28th ed. Standard 5.14 RBC ABO/Rh compatibility from caller-assigned recipient and unit ABO (o, a, b, ab) and RhD (positive, negative). Group O RBCs to O/A/B/AB; A to A/AB; B to B/AB; AB to AB. RhD-negative units to either RhD; RhD-positive units only to RhD-positive recipients. Not a transfusion order. magent does not type blood. Does not encode emergency RhD-positive-to-negative exceptions, plasma, or platelets.

POST
https://api.magentlab.com/api/calc/rbc_abo
Price
$0.007
per call in USDC
Uptime
100%
last 30 days
Response time
160 ms
658 ms slowest 5%
Last check
Passed
4 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://api.magentlab.com/api/calc/rbc_abo

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/rbc_abo
content-type: application/json

{
  "items": [
    {
      "recipient_abo": "o",
      "recipient_rhd": "negative",
      "unit_abo": "o",
      "unit_rhd": "negative"
    },
    {
      "recipient_abo": "o",
      "recipient_rhd": "negative",
      "unit_abo": "o",
      "unit_rhd": "negative"
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 62 lines
{
  "count": 2,
  "items": [
    {
      "abo_compatible": true,
      "citation": {
        "authors": "AABB",
        "id": "aabb-rbc-abo-compatibility",
        "source": "28th ed. Bethesda, MD: AABB; 2012. Standard 5.14",
        "title": "Standards for Blood Banks and Transfusion Services"
      },
      "compatible": true,
      "criteria": [
        {
          "factor": "abo_compatible",
          "met": true
        },
        {
          "factor": "rhd_compatible",
          "met": true
        }
      ],
      "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": "rbc_abo",
      "formula_expression": "compatible iff abo_compatible and rhd_compatible. RBC ABO: unit o → recipient o|a|b|ab; unit a → a|ab; unit b → b|ab; unit ab → ab. RhD: unit negative → recipient negative|positive; unit positive → recipient positive only (AABB Standards 28th ed. Standard 5.14). Not an emergency RhD-positive-to-negative exception. Not plasma or platelets. magent does not type blood",
      "recipient_abo": "o",
      "recipient_rhd": "negative",
      "rhd_compatible": true,
      "unit_abo": "o",
      "unit_rhd": "negative"
    },
    {
      "abo_compatible": true,
      "citation": {
        "authors": "AABB",
        "id": "aabb-rbc-abo-compatibility",
        "source": "28th ed. Bethesda, MD: AABB; 2012. Standard 5.14",
        "title": "Standards for Blood Banks and Transfusion Services"
      },
      "compatible": true,
      "criteria": [
        {
          "factor": "abo_compatible",
          "met": true
        },
        {
          "factor": "rhd_compatible",
          "met": true
        }
      ],
      "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": "rbc_abo",
      "formula_expression": "compatible iff abo_compatible and rhd_compatible. RBC ABO: unit o → recipient o|a|b|ab; unit a → a|ab; unit b → b|ab; unit ab → ab. RhD: unit negative → recipient negative|positive; unit positive → recipient positive only (AABB Standards 28th ed. Standard 5.14). Not an emergency RhD-positive-to-negative exception. Not plasma or platelets. magent does not type blood",
      "recipient_abo": "o",
      "recipient_rhd": "negative",
      "rhd_compatible": true,
      "unit_abo": "o",
      "unit_rhd": "negative"
    }
  ],
  "path": "/api/calc/rbc_abo"
}

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/rbc_abo' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"recipient_abo":"o","recipient_rhd":"negative","unit_abo":"o","unit_rhd":"negative"},{"recipient_abo":"o","recipient_rhd":"negative","unit_abo":"o","unit_rhd":"negative"}]}'

# 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/rbc_abo' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"recipient_abo":"o","recipient_rhd":"negative","unit_abo":"o","unit_rhd":"negative"},{"recipient_abo":"o","recipient_rhd":"negative","unit_abo":"o","unit_rhd":"negative"}]}' \
  | 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%2Frbc_abo&method=POST
const res = await pay("https://api.magentlab.com/api/calc/rbc_abo", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "recipient_abo": "o",
        "recipient_rhd": "negative",
        "unit_abo": "o",
        "unit_rhd": "negative"
      },
      {
        "recipient_abo": "o",
        "recipient_rhd": "negative",
        "unit_abo": "o",
        "unit_rhd": "negative"
      }
    ]
  }),
});
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/rbc_abo",
        json={
            "items": [
                {
                    "recipient_abo": "o",
                    "recipient_rhd": "negative",
                    "unit_abo": "o",
                    "unit_rhd": "negative",
                },
                {
                    "recipient_abo": "o",
                    "recipient_rhd": "negative",
                    "unit_abo": "o",
                    "unit_rhd": "negative",
                },
            ],
        },
    )
    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

WhenResultHTTPTimePrice
4 h agoPassed402346 ms$0.007
9 h agoPassed402145 ms$0.007
13 h agoPassed402158 ms$0.007
18 h agoPassed402141 ms$0.007
23 h agoPassed402147 ms$0.007
Show 10 older checks
27 h agoPassed402151 ms$0.007
32 h agoPassed402145 ms$0.007
35 h agoPassed402155 ms$0.007
40 h agoPassed402160 ms$0.007
44 h agoPassed402446 ms$0.007
2 days agoPassed402231 ms$0.007
2 days agoPassed402677 ms$0.007
2 days agoPassed402240 ms$0.007
3 days agoPassed402220 ms$0.007
3 days agoPassed402280 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007