TOLL

What software pays for, recorded every six hours.

Snapshot
2026-10-02 12:31 UTC
Sweep
daily-2026-10-01 · finished 2026-10-01 10:12 UTC
Listed
23,875

calc mentzer derived

api.magentlab.comSearchderived

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

passlisted in Coinbase#83 by calls of 844 on this host

0.005 USDC

per call, as the listing declares it on eip155:8453

Compare with anotherEvery figure as JSONCite this page

the price, as of 2026-10-02 12:31 UTC · method · pinnable

Validation state
pass
as of 2026-10-01 07:21 UTC · method · pinnable · sweep daily-2026-10-01
Uptime, 7 / 30 / 90 days
100% / 100% / 100%
as of 2026-10-01 07:21 UTC · method · pinnable · 5 of 5 in 7d, 5 of 5 in 30d, 5 of 5 in 90d
Calls, trailing 30 days
1
as of 2026-10-02 12:31 UTC · method · pinnable
Unique payers, trailing 30 days
1
as of 2026-10-02 12:31 UTC · method · pinnable
Last called
2026-09-28 15:07 UTC
as of 2026-10-02 12:31 UTC · method · pinnable
First observed by TOLLderived
2026-09-28
as of 2026-09-28 13:51 UTC · method · pinnable · observation began 10 September 2026; listings that predate it show that date
Pricederived
0.005 USDC
as of 2026-10-02 12:31 UTC · method · pinnable · on eip155:8453
Networks
1
as of 2026-10-02 12:31 UTC · method · pinnable

Counters

12 observations, 2 of them a change, fewer than the 3 a trace needs

How big is this endpoint among the ones like it?

1 call100,000this endpoint
Calls counted in the trailing thirty days across the 2,535 endpoints in Search that carry counters, binned on a logarithmic scale because the range runs over five orders of magnitude. The marked bin is this endpoint, at 1: 1,224 in the category are counted higher and 1,310 lower.

No trace is drawn of this endpoint’s own volume. Its counters have changed 2 times across 12 observations, and 3 changes are the fewest this site will draw a trace through, because two points and a guess are not a series. Every observation is in the JSON.

In words

With 844 endpoints listed on api.magentlab.com, calc mentzer is tied 83rd by calls with 761 others.

Requests carry a JSON body with the field items.

calc mentzer returns json; the example shows path, count and items.

In the trailing 30 days: one call, one payer.

calc mentzer was last called 4 days before the snapshot.

Each call is priced at 0.005 USDC, payable on Base.

calc mentzer answers POST requests at api.magentlab.com; it is listed in the Coinbase registry and TOLL files it under search.

calc mentzer answered the sweep of 2026-10-01 with a valid 402, as at every sweep since 2026-09-28.

Closest in price to calc mentzer within search: agentsearch web search v1 at agent.pocket.network and tweets search at x402.twit.sh.

calc mentzer is priced above 20% of comparable listings in search.

The payee wallet is shared by 844 listings on one host.

The seller's tags on calc mentzer are mentzer, mcv, rbc and hematology.

The price of calc mentzer is declared by 316 other listings in search too.

Payment options as declared

the payment options, as of 2026-10-02 12:31 UTC · method · pinnable

Every payment option declared on this listing
registrynetworkassetamountschemepay to
Coinbaseeip155:8453USDC0.005 USDCexact0x836Be2…c19Ee2

Preflight checks at the last sweep

the checks, as of 2026-10-01 07:21 UTC · method · pinnableendpoint answered HTTP 402

No named check failed.

Validation history, 90 days

Every sweep that observed this endpoint, newest first.

Validation observations over the last 90 days
observed, UTCstatefailed checkssweep
2026-10-01 07:21 UTCpass0daily-2026-10-01
2026-09-30 06:39 UTCpass0daily-2026-09-30
2026-09-29 18:58 UTCpass0daily-2026-09-29
2026-09-28 16:55 UTCpass0daily-2026-09-28
2026-09-28 16:41 UTCpass0new-after-daily-2026-09-28

Registry presence

Presence in a registry, not liveness of the service (method). Newest first.

  1. listed in Coinbase

Declared input and output, as listed

From the registry record, not validated by TOLL.the declared schema, as of 2026-09-28 15:07 UTC · method · live

The input and output block
{
  "input": {
    "body": {
      "items": [
        {
          "mcv_fl": 70,
          "rbc_million_ul": 5.6
        },
        {
          "mcv_fl": 70,
          "rbc_million_ul": 5.6
        }
      ]
    },
    "type": "http",
    "method": "POST"
  },
  "output": {
    "type": "json",
    "example": {
      "path": "/api/calc/mentzer",
      "count": 2,
      "items": [
        {
          "mcv_fl": 70,
          "formula": "mentzer",
          "citation": {
            "id": "mentzer-1973",
            "doi": "10.1016/s0140-6736(73)91446-3",
            "pmid": "4123424",
            "title": "Differentiation of iron deficiency from thalassaemia trait",
            "source": "Lancet. 1973 Apr 21;1(7808):882",
            "authors": "Mentzer WC Jr"
          },
          "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.",
          "mentzer_band": "thalassemia_trait",
          "mentzer_index": 12.5,
          "rbc_million_ul": 5.6,
          "formula_expression": "mentzer_index = mcv_fl / rbc_million_ul"
        },
        {
          "mcv_fl": 70,
          "formula": "mentzer",
          "citation": {
            "id": "mentzer-1973",
            "doi": "10.1016/s0140-6736(73)91446-3",
            "pmid": "4123424",
            "title": "Differentiation of iron deficiency from thalassaemia trait",
            "source": "Lancet. 1973 Apr 21;1(7808):882",
            "authors": "Mentzer WC Jr"
          },
          "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.",
          "mentzer_band": "thalassemia_trait",
          "mentzer_index": 12.5,
          "rbc_million_ul": 5.6,
          "formula_expression": "mentzer_index = mcv_fl / rbc_million_ul"
        }
      ]
    }
  }
}
Cite this page

The pinned URL below renders this page from the snapshot of 2026-10-02 12:31 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).

Plain text

TOLL, "calc mentzer on api.magentlab.com", snapshot of 2026-10-02 12:31 UTC. https://tollindex.com/e/api-magentlab-com-api-calc-mentzer-477479/at/2026-10-02T12-31Z. Accessed [access date].

BibTeX

@misc{toll-e-api-magentlab-com-api-calc-mentzer-477479-2026-10-02T12-31Z,
  author = {TOLL},
  title = {calc mentzer on api.magentlab.com},
  howpublished = {\url{https://tollindex.com/e/api-magentlab-com-api-calc-mentzer-477479/at/2026-10-02T12-31Z}},
  year = {2026},
  month = {10},
  note = {Pinned view of the snapshot of 2026-10-02 12:31 UTC. Accessed [access date].}
}

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Sign this message with the wallet named on the page and paste the signature; it is checked, stored, never published. TOLL reply about endpoint 477479c9e36df17f46f38d3a9f5fd3ac419594ab3998c2d7f553c9db74dc57ee from wallet 0x836Be278f1739fB4308091cD1852F7971Bc19Ee2

The 0x address named as payee on this page, 42 characters.

The hex signature of the message above, starting 0x.