curl -X POST https://win.oneshotagent.com/v1/tools/lookup/market-medicare-drug-spending \
-H "Content-Type: application/json" \
-H "payment-signature: <base64 x402 payment>" \
-d '{
"brand_name": "Eliquis"
}'
const response = await fetch("https://win.oneshotagent.com/v1/tools/lookup/market-medicare-drug-spending", {
method: "POST",
headers: {
"Content-Type": "application/json",
"payment-signature": paymentProof,
},
body: JSON.stringify({
"brand_name": "Eliquis"
}),
});
const result = await agent.tool('lookup/market-medicare-drug-spending', {
brand_name: 'Eliquis'
});
console.log(result.result);
console.log(result.evidence);
{
"success": true,
"data": {
"request_id": "uuid",
"receipt_id": "rcpt_...",
"status": "completed",
"tool": "market_medicare_drug_spending",
"result": {
"drugs": [
{
"brand_name": "Eliquis",
"generic_name": "Apixaban",
"manufacturer": "Overall",
"manufacturer_count": 1,
"years": [
{
"year": 2020,
"total_spending_usd": 9936069813.8,
"dosage_units": 1258380589.3,
"claims": 14847081,
"beneficiaries": 2641941,
"avg_spend_per_dosage_unit_usd": 7.8975887451,
"avg_spend_per_claim_usd": 669.22715743,
"avg_spend_per_beneficiary_usd": 3760.8976937,
"outlier": false
},
{
"year": 2021,
"total_spending_usd": 12575145852,
"dosage_units": 1478137928.5,
"claims": 17015798,
"beneficiaries": 3125087,
"avg_spend_per_dosage_unit_usd": 8.5084511016,
"avg_spend_per_claim_usd": 739.02768778,
"avg_spend_per_beneficiary_usd": 4023.9346462,
"outlier": false
},
{
"year": 2022,
"total_spending_usd": 15219812294,
"dosage_units": 1669476768.2,
"claims": 18973041,
"beneficiaries": 3505142,
"avg_spend_per_dosage_unit_usd": 9.1171846791,
"avg_spend_per_claim_usd": 802.18096265,
"avg_spend_per_beneficiary_usd": 4342.1385763,
"outlier": false
},
{
"year": 2023,
"total_spending_usd": 18273451967,
"dosage_units": 1875283428.8,
"claims": 21195452,
"beneficiaries": 3927848,
"avg_spend_per_dosage_unit_usd": 9.7446967132,
"avg_spend_per_claim_usd": 862.14023496,
"avg_spend_per_beneficiary_usd": 4652.2808335,
"outlier": false
},
{
"year": 2024,
"total_spending_usd": 20774929225,
"dosage_units": 2156238528.8,
"claims": 24061332,
"beneficiaries": 4424796,
"avg_spend_per_dosage_unit_usd": 9.6370356894,
"avg_spend_per_claim_usd": 863.41559248,
"avg_spend_per_beneficiary_usd": 4695.1157126,
"outlier": false
}
],
"change_avg_spend_per_unit_last_year": -0.011048166,
"cagr_avg_spend_per_unit": 0.0510230439,
"latest_year": 2024
}
]
},
"evidence": {
"source": "US Centers for Medicare & Medicaid Services",
"source_kind": "public",
"retrieved_at": "2026-01-15T12:00:00.000Z",
"calls": [
{
"retrieved_at": "2026-01-15T12:00:00.000Z"
}
],
"as_of": null
}
}
}
Health
Medicare Drug Spending
Look up five years of Medicare Part D drug spending by exact brand or generic name.
POST
/
v1
/
tools
/
lookup
/
market-medicare-drug-spending
curl -X POST https://win.oneshotagent.com/v1/tools/lookup/market-medicare-drug-spending \
-H "Content-Type: application/json" \
-H "payment-signature: <base64 x402 payment>" \
-d '{
"brand_name": "Eliquis"
}'
const response = await fetch("https://win.oneshotagent.com/v1/tools/lookup/market-medicare-drug-spending", {
method: "POST",
headers: {
"Content-Type": "application/json",
"payment-signature": paymentProof,
},
body: JSON.stringify({
"brand_name": "Eliquis"
}),
});
const result = await agent.tool('lookup/market-medicare-drug-spending', {
brand_name: 'Eliquis'
});
console.log(result.result);
console.log(result.evidence);
{
"success": true,
"data": {
"request_id": "uuid",
"receipt_id": "rcpt_...",
"status": "completed",
"tool": "market_medicare_drug_spending",
"result": {
"drugs": [
{
"brand_name": "Eliquis",
"generic_name": "Apixaban",
"manufacturer": "Overall",
"manufacturer_count": 1,
"years": [
{
"year": 2020,
"total_spending_usd": 9936069813.8,
"dosage_units": 1258380589.3,
"claims": 14847081,
"beneficiaries": 2641941,
"avg_spend_per_dosage_unit_usd": 7.8975887451,
"avg_spend_per_claim_usd": 669.22715743,
"avg_spend_per_beneficiary_usd": 3760.8976937,
"outlier": false
},
{
"year": 2021,
"total_spending_usd": 12575145852,
"dosage_units": 1478137928.5,
"claims": 17015798,
"beneficiaries": 3125087,
"avg_spend_per_dosage_unit_usd": 8.5084511016,
"avg_spend_per_claim_usd": 739.02768778,
"avg_spend_per_beneficiary_usd": 4023.9346462,
"outlier": false
},
{
"year": 2022,
"total_spending_usd": 15219812294,
"dosage_units": 1669476768.2,
"claims": 18973041,
"beneficiaries": 3505142,
"avg_spend_per_dosage_unit_usd": 9.1171846791,
"avg_spend_per_claim_usd": 802.18096265,
"avg_spend_per_beneficiary_usd": 4342.1385763,
"outlier": false
},
{
"year": 2023,
"total_spending_usd": 18273451967,
"dosage_units": 1875283428.8,
"claims": 21195452,
"beneficiaries": 3927848,
"avg_spend_per_dosage_unit_usd": 9.7446967132,
"avg_spend_per_claim_usd": 862.14023496,
"avg_spend_per_beneficiary_usd": 4652.2808335,
"outlier": false
},
{
"year": 2024,
"total_spending_usd": 20774929225,
"dosage_units": 2156238528.8,
"claims": 24061332,
"beneficiaries": 4424796,
"avg_spend_per_dosage_unit_usd": 9.6370356894,
"avg_spend_per_claim_usd": 863.41559248,
"avg_spend_per_beneficiary_usd": 4695.1157126,
"outlier": false
}
],
"change_avg_spend_per_unit_last_year": -0.011048166,
"cagr_avg_spend_per_unit": 0.0510230439,
"latest_year": 2024
}
]
},
"evidence": {
"source": "US Centers for Medicare & Medicaid Services",
"source_kind": "public",
"retrieved_at": "2026-01-15T12:00:00.000Z",
"calls": [
{
"retrieved_at": "2026-01-15T12:00:00.000Z"
}
],
"as_of": null
}
}
}
Returns Medicare Part D programme spending before rebates, by calendar year, from the US Centers for Medicare & Medicaid Services. Overall is the total across manufacturers; manufacturers can be included separately. Figures include spending, dosage units, claims, beneficiaries and average spending. The series updates annually and supplies the latest five calendar years.
Authentication
Requires x402 payment in thepayment-signature header.
Request Body
string
Exact brand name, for example Eliquis. 2 to 100 characters.
string
Exact generic name, for example Apixaban. 2 to 100 characters.
boolean
Include per-manufacturer rows in addition to Overall totals. Defaults to
false.Response (200 OK)
Top-level envelope:success (boolean) and data (object). All fields below are nested under data.
string
Durable job ID for audit and lookup
string
Job status:
completedstring
Always
market_medicare_drug_spendingobject
The answer, described under Result below
object
Where the answer came from and when
string
The public body the data comes from. Always
US Centers for Medicare & Medicaid Services.string
public when the data comes from a public body, commercial otherwisestring
When the lookup was made, as an ISO 8601 UTC time
string | null
The figures are for the calendar years listed. The source rows carry no date, so as_of is null.
Result
Nested underdata.result.
object[]
Drugs.
string
Brand name.
string
Generic name.
string
Overall is the total across manufacturers.
number | null
Manufacturer count.
null when the source gives no value.object[]
Years.
integer
Year.
number | null
Total spending usd.
null when the source gives no value.number | null
Dosage units.
null when the source gives no value.number | null
Claims.
null when the source gives no value.number | null
Beneficiaries.
null when the source gives no value.number | null
Avg spend per dosage unit usd.
null when the source gives no value.number | null
Avg spend per claim usd.
null when the source gives no value.number | null
Avg spend per beneficiary usd.
null when the source gives no value.boolean | null
Source outlier flag; null when blank or absent.
number | null
Source fractional change in the last calendar year.
null when the source gives no value.number | null
Source compound annual growth rate across the listed years.
null when the source gives no value.integer
Latest year.
curl -X POST https://win.oneshotagent.com/v1/tools/lookup/market-medicare-drug-spending \
-H "Content-Type: application/json" \
-H "payment-signature: <base64 x402 payment>" \
-d '{
"brand_name": "Eliquis"
}'
const response = await fetch("https://win.oneshotagent.com/v1/tools/lookup/market-medicare-drug-spending", {
method: "POST",
headers: {
"Content-Type": "application/json",
"payment-signature": paymentProof,
},
body: JSON.stringify({
"brand_name": "Eliquis"
}),
});
const result = await agent.tool('lookup/market-medicare-drug-spending', {
brand_name: 'Eliquis'
});
console.log(result.result);
console.log(result.evidence);
{
"success": true,
"data": {
"request_id": "uuid",
"receipt_id": "rcpt_...",
"status": "completed",
"tool": "market_medicare_drug_spending",
"result": {
"drugs": [
{
"brand_name": "Eliquis",
"generic_name": "Apixaban",
"manufacturer": "Overall",
"manufacturer_count": 1,
"years": [
{
"year": 2020,
"total_spending_usd": 9936069813.8,
"dosage_units": 1258380589.3,
"claims": 14847081,
"beneficiaries": 2641941,
"avg_spend_per_dosage_unit_usd": 7.8975887451,
"avg_spend_per_claim_usd": 669.22715743,
"avg_spend_per_beneficiary_usd": 3760.8976937,
"outlier": false
},
{
"year": 2021,
"total_spending_usd": 12575145852,
"dosage_units": 1478137928.5,
"claims": 17015798,
"beneficiaries": 3125087,
"avg_spend_per_dosage_unit_usd": 8.5084511016,
"avg_spend_per_claim_usd": 739.02768778,
"avg_spend_per_beneficiary_usd": 4023.9346462,
"outlier": false
},
{
"year": 2022,
"total_spending_usd": 15219812294,
"dosage_units": 1669476768.2,
"claims": 18973041,
"beneficiaries": 3505142,
"avg_spend_per_dosage_unit_usd": 9.1171846791,
"avg_spend_per_claim_usd": 802.18096265,
"avg_spend_per_beneficiary_usd": 4342.1385763,
"outlier": false
},
{
"year": 2023,
"total_spending_usd": 18273451967,
"dosage_units": 1875283428.8,
"claims": 21195452,
"beneficiaries": 3927848,
"avg_spend_per_dosage_unit_usd": 9.7446967132,
"avg_spend_per_claim_usd": 862.14023496,
"avg_spend_per_beneficiary_usd": 4652.2808335,
"outlier": false
},
{
"year": 2024,
"total_spending_usd": 20774929225,
"dosage_units": 2156238528.8,
"claims": 24061332,
"beneficiaries": 4424796,
"avg_spend_per_dosage_unit_usd": 9.6370356894,
"avg_spend_per_claim_usd": 863.41559248,
"avg_spend_per_beneficiary_usd": 4695.1157126,
"outlier": false
}
],
"change_avg_spend_per_unit_last_year": -0.011048166,
"cagr_avg_spend_per_unit": 0.0510230439,
"latest_year": 2024
}
]
},
"evidence": {
"source": "US Centers for Medicare & Medicaid Services",
"source_kind": "public",
"retrieved_at": "2026-01-15T12:00:00.000Z",
"calls": [
{
"retrieved_at": "2026-01-15T12:00:00.000Z"
}
],
"as_of": null
}
}
}
See Pricing for this tool’s price. A wallet (x402) call receives it in the 402 quote before anything is charged; a call paid from prepaid credits is charged when the API accepts the request and answers
200.Notes
- Provide brand_name, generic_name, or both. Both exact-match filters apply when both are supplied.
- Reads one source page of up to 50 rows, including manufacturer rows before filtering; broad matches may be incomplete.
- Empty source values become null. No match completes with drugs: [].
- Results return inline. The finished job stays available at
/v1/requests/{request_id}