magent
Deterministic published-formula arithmetic plus ICD-10-CM, RxNorm, and LOINC. Pay in USDC on Base via x402.
SearchLiveeip155:8453Exactvia cdp
Flamm-vbacVbacTolacObstetricsCalculator
Serves fromGunnison, Colorado · United States66.241.125.93
Calls · 30d
1→ 0%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 9 snapshots so far.
$13.75
Verified settled volume
2,750 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0050
Listed price
As published in the catalog. Always read the live 402 before paying.
1
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-08-31 15:22Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x836Be278f1739fB4308091cD1852F7971Bc19Ee2The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Provider
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.
Live 402 challenge
Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.
{
"error": "PAYMENT-SIGNATURE header is required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"paymentFlow": "upfront",
"resourceUrl": "https://api.magentlab.com/api/calc/flamm_vbac",
"assetTransferMethod": "eip3009"
},
"payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
"amount": "5000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 600
},
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"withdrawDelay": 86400,
"receiverAuthorizer": "0x3721824a31197dcDD2984cF43b92B6cc8A87c0Fb",
"assetTransferMethod": "eip3009"
},
"payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
"amount": "5000",
"scheme": "batch-settlement",
"network": "eip155:8453",
"maxTimeoutSeconds": 600
}
],
"resource": {
"url": "https://api.magentlab.com/api/calc/flamm_vbac",
"tags": [
"flamm-vbac",
"vbac",
"tolac",
"obstetrics",
"calculator"
],
"mimeType": "application/json",
"description": "Flamm 1997 admission VBAC score, max 10. Points: age under 40 (+2); vaginal birth none 0, before first cesarean 1, after first cesarean 2, before and after 4; first cesarean not for failure to progress (+1); admission effacement gt_75 +2, from_25_to_75 +1, lt_25 0; dilation >=4 cm (+1). Published success 49% for scores 0-2 and 95% for 8-10; other scores return the total only. Not a trial-of-labor order. magent does not examine the cervix.",
"serviceName": "magent"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"age_lt_40": true,
"effacement": "lt_25",
"dilation_ge_4": false,
"vaginal_birth": "none",
"non_ftp_indication": false
}
},
"output": {
"type": "json",
"example": {
"score": 2,
"formula": "flamm_vbac",
"citation": {
"id": "flamm-1997",
"doi": "10.1016/S0029-7844(97)00531-0",
"pmid": "9397335",
"title": "Vaginal birth after cesarean delivery: an admission scoring system",
"source": "Obstet Gynecol. 1997;90(6):907-910",
"authors": "Flamm BL, Geiger AM"
},
"max_score": 10,
"components": [
{
"factor": "age_lt_40",
"points": 2,
"present": true
},
{
"value": "none",
"factor": "vaginal_birth",
"points": 0,
"present": false
},
{
"factor": "non_ftp_indication",
"points": 0,
"present": false
},
{
"value": "lt_25",
"factor": "effacement",
"points": 0,
"present": false
},
{
"factor": "dilation_ge_4",
"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_expression": "Flamm VBAC = age_lt_40 2 + vaginal_birth (none 0, before_first_cesarean 1, after_first_cesarean 2, before_and_after 4) + non_ftp_indication 1 + effacement (gt_75 2, from_25_to_75 1, lt_25 0) + dilation_ge_4 1; Flamm 1997; max 10; published VBAC success 49% scores 0-2 and 95% scores 8-10",
"vbac_success_percent": 49
}
},
"iconUrl": "https://api.magentlab.com/favicon.ico"
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"headers": {
"type": "object",
"additionalProperties": {
"type": "string"
}
},
"queryParams": {
"type": "object",
"required": [
"age_lt_40",
"vaginal_birth",
"non_ftp_indication",
"effacement",
"dilation_ge_4"
],
"properties": {
"age_lt_40": {
"type": "boolean",
"description": "Maternal age under 40 years as assigned by the caller (Flamm 1997). true scores 2. true or false. magent does not date the patient."
},
"effacement": {
"enum": [
"gt_75",
"from_25_to_75",
"lt_25"
],
"type": "string",
"description": "Cervical effacement at admission as assigned by the caller (Flamm 1997). gt_75 scores 2; from_25_to_75 scores 1; lt_25 scores 0. magent does not examine the cervix."
},
"dilation_ge_4": {
"type": "boolean",
"description": "Cervical dilation at or above 4 cm at admission as assigned by the caller (Flamm 1997). true scores 1. true or false. magent does not examine the cervix."
},
"vaginal_birth": {
"enum": [
"none",
"before_first_cesarean",
"after_first_cesarean",
"before_and_after"
],
"type": "string",
"description": "Prior vaginal birth history as assigned by the caller (Flamm 1997). Choose one: none scores 0; before_first_cesarean scores 1; after_first_cesarean scores 2; before_and_after scores 4. magent does not read the obstetric history."
},
"non_ftp_indication": {
"type": "boolean",
"description": "First cesarean was for a reason other than failure to progress (Flamm 1997). true scores 1. true or false. magent does not read the operative indication."
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
}
},
"x402Version": 2
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
0.005USDC≈ $0.005 USD
on Base · exact scheme
Pay 0.005 USDC on Base to 0x836B…19Ee2. The signed payment is good for 10 minutes.
- Paid to
- 0x836B…19Ee2
- USD Coin contract
- 0x8335…02913
- Payment window
- 10 minutes
- As published
- 5000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"paymentFlow": "upfront",
"resourceUrl": "https://api.magentlab.com/api/calc/flamm_vbac",
"assetTransferMethod": "eip3009"
},
"payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
"amount": "5000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 600
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"body": {
"items": [
{
"age_lt_40": true,
"effacement": "lt_25",
"dilation_ge_4": false,
"vaginal_birth": "none",
"non_ftp_indication": false
},
{
"age_lt_40": true,
"effacement": "lt_25",
"dilation_ge_4": false,
"vaginal_birth": "none",
"non_ftp_indication": false
}
]
},
"type": "http",
"method": "POST"
},
"output": {
"type": "json",
"example": {
"path": "/api/calc/flamm_vbac",
"count": 2,
"items": [
{
"score": 2,
"formula": "flamm_vbac",
"citation": {
"id": "flamm-1997",
"doi": "10.1016/S0029-7844(97)00531-0",
"pmid": "9397335",
"title": "Vaginal birth after cesarean delivery: an admission scoring system",
"source": "Obstet Gynecol. 1997;90(6):907-910",
"authors": "Flamm BL, Geiger AM"
},
"max_score": 10,
"components": [
{
"factor": "age_lt_40",
"points": 2,
"present": true
},
{
"value": "none",
"factor": "vaginal_birth",
"points": 0,
"present": false
},
{
"factor": "non_ftp_indication",
"points": 0,
"present": false
},
{
"value": "lt_25",
"factor": "effacement",
"points": 0,
"present": false
},
{
"factor": "dilation_ge_4",
"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_expression": "Flamm VBAC = age_lt_40 2 + vaginal_birth (none 0, before_first_cesarean 1, after_first_cesarean 2, before_and_after 4) + non_ftp_indication 1 + effacement (gt_75 2, from_25_to_75 1, lt_25 0) + dilation_ge_4 1; Flamm 1997; max 10; published VBAC success 49% scores 0-2 and 95% scores 8-10",
"vbac_success_percent": 49
},
{
"score": 2,
"formula": "flamm_vbac",
"citation": {
"id": "flamm-1997",
"doi": "10.1016/S0029-7844(97)00531-0",
"pmid": "9397335",
"title": "Vaginal birth after cesarean delivery: an admission scoring system",
"source": "Obstet Gynecol. 1997;90(6):907-910",
"authors": "Flamm BL, Geiger AM"
},
"max_score": 10,
"components": [
{
"factor": "age_lt_40",
"points": 2,
"present": true
},
{
"value": "none",
"factor": "vaginal_birth",
"points": 0,
"present": false
},
{
"factor": "non_ftp_indication",
"points": 0,
"present": false
},
{
"value": "lt_25",
"factor": "effacement",
"points": 0,
"present": false
},
{
"factor": "dilation_ge_4",
"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_expression": "Flamm VBAC = age_lt_40 2 + vaginal_birth (none 0, before_first_cesarean 1, after_first_cesarean 2, before_and_after 4) + non_ftp_indication 1 + effacement (gt_75 2, from_25_to_75 1, lt_25 0) + dilation_ge_4 1; Flamm 1997; max 10; published VBAC success 49% scores 0-2 and 95% scores 8-10",
"vbac_success_percent": 49
}
]
}
},
"iconUrl": "https://api.magentlab.com/favicon.ico"
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"body": {
"type": "object",
"required": [
"items"
],
"properties": {
"items": {
"type": "array",
"items": {
"type": "object",
"required": [
"age_lt_40",
"vaginal_birth",
"non_ftp_indication",
"effacement",
"dilation_ge_4"
],
"properties": {
"age_lt_40": {
"type": "boolean",
"description": "Maternal age under 40 years as assigned by the caller (Flamm 1997). true scores 2. true or false. magent does not date the patient."
},
"effacement": {
"enum": [
"gt_75",
"from_25_to_75",
"lt_25"
],
"type": "string",
"description": "Cervical effacement at admission as assigned by the caller (Flamm 1997). gt_75 scores 2; from_25_to_75 scores 1; lt_25 scores 0. magent does not examine the cervix."
},
"dilation_ge_4": {
"type": "boolean",
"description": "Cervical dilation at or above 4 cm at admission as assigned by the caller (Flamm 1997). true scores 1. true or false. magent does not examine the cervix."
},
"vaginal_birth": {
"enum": [
"none",
"before_first_cesarean",
"after_first_cesarean",
"before_and_after"
],
"type": "string",
"description": "Prior vaginal birth history as assigned by the caller (Flamm 1997). Choose one: none scores 0; before_first_cesarean scores 1; after_first_cesarean scores 2; before_and_after scores 4. magent does not read the obstetric history."
},
"non_ftp_indication": {
"type": "boolean",
"description": "First cesarean was for a reason other than failure to progress (Flamm 1997). true scores 1. true or false. magent does not read the operative indication."
}
}
},
"maxItems": 25,
"minItems": 1
}
},
"additionalProperties": false
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"const": "POST"
},
"headers": {
"type": "object",
"additionalProperties": {
"type": "string"
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-08-31 15:22Z
- Last indexed by Roundhouse
- 2026-09-07 06:20Z
- Last enriched (probe, favicon, geo)
- 2026-09-23 07:45Z
- x402 version
- 2
- Max timeout
- 600s
- Liveness probe
- HTTP 402
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 9 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service magent and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=magent' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://api.magentlab.com/api/calc/flamm_vbac, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402, or use an organization key from https://roundhouseai.io/dashboard/team. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.