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Agent Service · x402 · early usage

IMWG 2014 myeloma requiring therapy (Rajkumar 2014)

IMWG 2014 myeloma requiring therapy (Rajkumar 2014). Met when clonal BMPC ≥10% or biopsy-proven plasmacytoma plus ≥1 MDE: hypercalcemia, renal insufficiency, anemia, osteolytic lesion (CRAB), or BMPC ≥60%, involved:uninvolved FLC ratio ≥100 with involved FLC…

by api.magentlab.com · discovered, not yet claimed by its owner · updated 2026-10-12

30d calls4
30d payers2
MethodPOST
Outputjson

Mirrored from Coinbase's public x402 Bazaar. The description is the provider's own text and has not been reviewed here; the payment requirements are copied as published.

What it does

IMWG 2014 myeloma requiring therapy (Rajkumar 2014). Met when clonal BMPC ≥10% or biopsy-proven plasmacytoma plus ≥1 MDE: hypercalcemia, renal insufficiency, anemia, osteolytic lesion (CRAB), or BMPC ≥60%, involved:uninvolved FLC ratio ≥100 with involved FLC ≥100 mg/L, or >1 focal MRI lesion ≥5 mm (SLiM). Not a diagnosis. Not smouldering MM, MGUS, POEMS, or amyloid. Not Greipp ISS or R-ISS. magent does not assay calcium, creatinine, hemoglobin, or FLC, and does not read MRI.

Tags: imwg-2014 · myeloma · hematology · crab · calculator · bazaar

Call contract

Method
POST
Input
HTTP request
Output
json
Last paid call
2026-10-12
Input example from Bazaar metadata
{
  "items": [
    {
      "anemia": false,
      "bmpc_ge_60": false,
      "clonal_bmpc_ge_10_or_plasmacytoma": true,
      "flc_ratio_ge_100": false,
      "hypercalcemia": true,
      "mri_gt_1_focal": false,
      "osteolytic_lesion": false,
      "renal_insufficiency": false
    },
    {
      "anemia": false,
      "bmpc_ge_60": false,
      "clonal_bmpc_ge_10_or_plasmacytoma": true,
      "flc_ratio_ge_100": false,
      "hypercalcemia": true,
      "mri_gt_1_focal": false,
      "osteolytic_lesion": false,
      "renal_insufficiency": false
    }
  ]
}
Output example
{
  "count": 2,
  "items": [
    {
      "anemia": false,
      "any_mde": true,
      "bmpc_ge_60": false,
      "citation": {
        "authors": "Rajkumar SV, Dimopoulos MA, Palumbo A, Blade J, Merlini G, Mateos MV, Kumar S, Hillengass J, Kastritis E, Richardson P, Landgren O, Paiva B, Dispenzieri A, Weiss B, LeLeu X, Zweegman S, Lonial S, Rosinol L, Zamagni E, Jagannath S, Sezer O, Kristinsson SY, Caers J, Usmani SZ, Lahuerta JJ, Johnsen HE, Beksac M, Cavo M, Goldschmidt H, Terpos E, Kyle RA, Anderson KC, Durie BGM, San Miguel JF",
        "doi": "10.1016/S1470-2045(14)70442-5",
        "id": "rajkumar-2014",
        "pmid": "25439696",
        "source": "Lancet Oncol. 2014;15(12):e538-e548",
        "title": "International Myeloma Working Group updated criteria for the diagnosis of multiple myeloma"
      },
      "clonal_bmpc_ge_10_or_plasmacytoma": true,
      "criteria": [
        {
          "factor": "clonal_bmpc_ge_10_or_plasmacytoma",
          "met": true
        },
        {
          "factor": "hypercalcemia",
          "met": true
        },
        {
          "factor": "renal_insufficiency",
          "met": false
        },
        {
          "factor": "anemia",
          "met": false
        },
        {
          "factor": "osteolytic_lesion",
          "met": false
        },
        {
          "factor": "bmpc_ge_60",
          "met": false
        },
        {
          "factor": "flc_ratio_ge_100",
          "met": false
        },
        {
          "factor": "mri_gt_1_focal",
          "met": false
        },
        {
          "factor": "any_mde",
          "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.",
      "flc_ratio_ge_100": false,
      "formula": "imwg_myeloma",
      "formula_expression": "myeloma iff clonal_bmpc_ge_10_or_plasmacytoma and ≥1 myeloma-defining event (hypercalcemia, renal_insufficiency, anemia, osteolytic_lesion, bmpc_ge_60, flc_ratio_ge_100, or mri_gt_1_focal) (Rajkumar 2014 IMWG definition of multiple myeloma requiring therapy). Not a diagnosis. Not smouldering MM, MGUS, POEMS, or amyloid. Not Greipp ISS. Not R-ISS",
      "hypercalcemia": true,
      "mri_gt_1_focal": false,
      "myeloma": true,
      "osteolytic_lesion": false,
      "renal_insufficiency": false
    },
    {
      "anemia": false,
      "any_mde": true,
      "bmpc_ge_60": false,
      "citation": {
        "authors": "Rajkumar SV, Dimopoulos MA, Palumbo A, Blade J, Merlini G, Mateos MV, Kumar S, Hillengass J, Kastritis E, Richardson P, Landgren O, Paiva B, Dispenzieri A, Weiss B, LeLeu X, Zweegman S, Lonial S, Rosinol L, Zamagni E, Jagannath S, Sezer O, Kristinsson SY, Caers J, Usmani SZ, Lahuerta JJ, Johnsen HE, Beksac M, Cavo M, Goldschmidt H, Terpos E, Kyle RA, Anderson KC, Durie BGM, San Miguel JF",
        "doi": "10.1016/S1470-2045(14)70442-5",
        "id": "rajkumar-2014",
        "pmid": "25439696",
        "source": "Lancet Oncol. 2014;15(12):e538-e548",
        "title": "International Myeloma Working Group updated criteria for the diagnosis of multiple myeloma"
      },
      "clonal_bmpc_ge_10_or_plasmacytoma": true,
      "criteria": [
        {
          "factor": "clonal_bmpc_ge_10_or_plasmacytoma",
          "met": true
        },
        {
          "factor": "hypercalcemia",
          "met": true
        },
        {
          "factor": "renal_insufficiency",
          "met": false
        },
        {
          "factor": "anemia",
          "met": false
        },
        {
          "factor": "osteolytic_lesion",
          "met": false
        },
        {
          "factor": "bmpc_ge_60",
          "met": false
        },
        {
          "factor": "flc_ratio_ge_100",
          "met": false
        },
        {
          "factor": "mri_gt_1_focal",
          "met": false
        },
        {
          "factor": "any_mde",
          "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.",
      "flc_ratio_ge_100": false,
      "formula": "imwg_myeloma",
      "formula_expression": "myeloma iff clonal_bmpc_ge_10_or_plasmacytoma and ≥1 myeloma-defining event (hypercalcemia, renal_insufficiency, anemia, osteolytic_lesion, bmpc_ge_60, flc_ratio_ge_100, or mri_gt_1_focal) (Rajkumar 2014 IMWG definition of multiple myeloma requiring therapy). Not a diagnosis. Not smouldering MM, MGUS, POEMS, or amyloid. Not Greipp ISS. Not R-ISS",
      "hypercalcemia": true,
      "mri_gt_1_focal": false,
      "myeloma": true,
      "osteolytic_lesion": false,
      "renal_insufficiency": false
    }
  ],
  "path": "/api/calc/imwg_myeloma"
}

Use with an agent

  1. Discover. Agents find this listing with GET https://bazaar.saylorinnovations.com/discovery/search?query=…, the MCP tool search_resources, or /discovery/resources.
  2. Inspect. Fetch /resources/39400.json for the price and payment options.
  3. Pay. Call GET https://api.magentlab.com/api/calc/imwg_myeloma. The provider answers 402 with its payment requirements. An x402 client signs one of the options below and retries with PAYMENT-SIGNATURE.
  4. Execute. The provider returns 200 with the data. Agent Bazaar is not in the request path and never sees your payment.

For humans

You don't need an account or an API key; you need a wallet holding a small amount of USDC on Base, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.

Pricing & payment

Price
$0.005 / request
Protocol
x402 v2
Auth
No account or API key. Pay per request.
Networks
Base
Demand
4 calls · 2 unique payers in 30d (public x402 Bazaar data)

x402 payment requirements

SchemeNetworkAssetAmountPay toTimeout
exactBase
eip155:8453		USDC$0.0050x836Be278f1739fB4308091cD1852F7971Bc19Ee2600s
accepts[] (raw JSON)
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "amountUsd": 0.005,
    "maxTimeoutSeconds": 600
  }
]

Schemas

Output schema (JSON Schema)
{
  "properties": {
    "example": {
      "type": "object"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}
Example shape — generated from the schema, not a captured live response
{
  "example": {},
  "type": "string"
}

Examples

curl
curl "https://api.magentlab.com/api/calc/imwg_myeloma"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://api.magentlab.com/api/calc/imwg_myeloma");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}
Python
import httpx
res = httpx.get("https://api.magentlab.com/api/calc/imwg_myeloma")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Details

Provider
api.magentlab.com
Endpoint
https://api.magentlab.com/api/calc/imwg_myeloma
Machine-readable
/resources/39400.json