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Evidence row 73178
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://data.spencermcw.com/v1/drug/nadac
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 4a5f09cb47519461a956427f32b6b9f920d3503c4d41be9803d12789aa78b131
- Leaf
- 0xb04c09316e10fb2f11dc9b19b41d58946849d49afc7d0a0473c31283fe4bf769
What was observed
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"owner_address": "0xe6900ae625875b748f56fb45c3e06a59be8870df",
"raw": {
"accepts": [
{
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"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
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"payTo": "0xE6900aE625875b748f56Fb45C3e06a59Be8870DF",
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}
],
"description": "What do US pharmacies pay for this drug? CMS’s National Average Drug Acquisition Cost (NADAC) per unit for an NDC, the generic’s NADAC for a brand and the weekly price history since January 2025, from CMS’s NADAC files on data.medicaid.gov. Updated weekly. $0.01 per call (x402, USDC on Base); 3 free calls a day.",
"extensions": {
"bazaar": {
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"current": {
"as_of": "2026-10-21",
"effective_date": "2026-10-21",
"explanation_codes": [
"1"
],
"nadac_per_unit": "0.55226"
},
"description": "ABACAVIR 300 MG TABLET",
"history": [
{
"effective_date": "2026-10-21",
"first_as_of": "2026-10-21",
"last_as_of": "2026-10-21",
"nadac_per_unit": "0.55226",
"weeks": 1
},
{
"effective_date": "2026-09-23",
"first_as_of": "2026-09-23",
"last_as_of": "2026-10-14",
"nadac_per_unit": "0.54555",
"weeks": 4
},
{
"effective_date": "2026-08-19",
"first_as_of": "2026-08-19",
"last_as_of": "2026-09-16",
"nadac_per_unit": "0.53801",
"weeks": 5
},
{
"effective_date": "2026-07-22",
"first_as_of": "2026-07-22",
"last_as_of": "2026-08-12",
"nadac_per_unit": "0.55679",
"weeks": 4
},
{
"effective_date": "2026-06-17",
"first_as_of": "2026-06-17",
"last_as_of": "2026-07-15",
"nadac_per_unit": "0.60124",
"weeks": 5
},
{
"effective_date": "2026-05-20",
"first_as_of": "2026-05-20",
"last_as_of": "2026-06-10",
"nadac_per_unit": "0.64093",
"weeks": 4
},
{
"effective_date": "2026-04-22",
"first_as_of": "2026-04-22",
"last_as_of": "2026-05-13",
"nadac_per_unit": "0.65861",
"weeks": 4
},
{
"effective_date": "2026-03-18",
"first_as_of": "2026-03-18",
"last_as_of": "2026-04-15",
"nadac_per_unit": "0.65238",
"weeks": 5
},
{
"effective_date": "2026-02-18",
"first_as_of": "2026-02-18",
"last_as_of": "2026-03-11",
"nadac_per_unit": "0.64179",
"weeks": 4
},
{
"effective_date": "2026-01-21",
"first_as_of": "2026-01-21",
"last_as_of": "2026-02-11",
"nadac_per_unit": "0.63114",
"weeks": 4
},
{
"effective_date": "2025-12-17",
"first_as_of": "2025-12-17",
"last_as_of": "2026-01-14",
"nadac_per_unit": "0.62468",
"weeks": 5
},
{
"effective_date": "2025-11-19",
"first_as_of": "2025-11-19",
"last_as_of": "2025-12-10",
"nadac_per_unit": "0.62091",
"weeks": 4
},
{
"effective_date": "2025-10-22",
"first_as_of": "2025-10-22",
"last_as_of": "2025-11-12",
"nadac_per_unit": "0.64489",
"weeks": 4
},
{
"effective_date": "2025-09-17",
"first_as_of": "2025-09-17",
"last_as_of": "2025-10-15",
"nadac_per_unit": "0.67127",
"weeks": 5
},
{
"effective_date": "2025-08-20",
"first_as_of": "2025-08-20",
"last_as_of": "2025-09-10",
"nadac_per_unit": "0.68204",
"weeks": 4
},
{
"effective_date": "2025-07-23",
"first_as_of": "2025-07-23",
"last_as_of": "2025-08-13",
"nadac_per_unit": "0.67582",
"weeks": 4
},
{
"effective_date": "2025-06-18",
"first_as_of": "2025-06-18",
"last_as_of": "2025-07-16",
"nadac_per_unit": "0.66208",
"weeks": 5
},
{
"effective_date": "2025-05-21",
"first_as_of": "2025-05-21",
"last_as_of": "2025-06-11",
"nadac_per_unit": "0.6502",
"weeks": 4
},
{
"effective_date": "2025-04-23",
"first_as_of": "2025-04-23",
"last_as_of": "2025-05-14",
"nadac_per_unit": "0.63617",
"weeks": 4
},
{
"effective_date": "2025-03-19",
"first_as_of": "2025-03-19",
"last_as_of": "2025-04-16",
"nadac_per_unit": "0.61614",
"weeks": 5
},
{
"effective_date": "2025-02-19",
"first_as_of": "2025-02-19",
"last_as_of": "2025-03-12",
"nadac_per_unit": "0.60252",
"weeks": 4
},
{
"effective_date": "2025-01-22",
"first_as_of": "2025-01-22",
"last_as_of": "2025-02-12",
"nadac_per_unit": "0.59565",
"weeks": 4
},
{
"effective_date": "2024-12-18",
"first_as_of": "2025-01-01",
"last_as_of": "2025-01-15",
"nadac_per_unit": "0.60042",
"weeks": 3
}
],
"last_listed": {
"as_of": "2026-10-21",
"effective_date": "2026-10-21",
"nadac_per_unit": "0.55226"
},
"listed": true,
"ndc": "00378410591",
"otc": false,
"pharmacy_type": "C/I",
"pricing_unit": "EA",
"same_description": {
"max": "0.55226",
"min": "0.55226",
"ndcs": 12
}
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
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"properties": {
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"type": "string"
}
},
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"type": "object"
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"corresponding_generic": {
"anyOf": [
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"additionalProperties": false,
"properties": {
"effective_date": {
"type": [
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"null"
]
},
"nadac_per_unit": {
"type": "string"
}
},
"required": [
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"effective_date"
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"type": "object"
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{
"type": "null"
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"current": {
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"effective_date": {
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"explanation_codes": {
"items": {
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"type": "array"
},
"nadac_per_unit": {
"type": "string"
}
},
"required": [
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"effective_date",
"as_of",
"explanation_codes"
],
"type": "object"
},
{
"type": "null"
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]
},
"description": {
"type": "string"
},
"history": {
"description": "Price periods, newest first: runs of weekly files with the same NADAC.",
"items": {
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"properties": {
"effective_date": {
"type": "string"
},
"first_as_of": {
"type": "string"
},
"last_as_of": {
"type": "string"
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"nadac_per_unit": {
"type": "string"
},
"weeks": {
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"minimum": -9007199254740991,
"type": "integer"
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},
"required": [
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"effective_date",
"first_as_of",
"last_as_of",
"weeks"
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"type": "object"
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"properties": {
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"effective_date": {
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"type": "object"
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"listed": {
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"pricing_unit": {
"description": "EA, ML or GM: the unit the NADAC is per.",
"type": "string"
},
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},
"lastUpdated": "2026-10-23T04:28:06.461Z",
"quality": {
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"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-23T04:28:06.209Z"
},
"resource": "https://data.spencermcw.com/v1/drug/nadac",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "What do US pharmacies pay for this drug? CMS’s National Average Drug Acquisition Cost (NADAC) per unit for an NDC, the generic’s NADAC for a brand and the weekly price history since January 2025, from CMS’s NADAC files on data.medicaid.gov. Updated weekly. $0.01 per call (x402, USDC on Base); 3 free calls a day."
}What the leaf hashes
{"body":"4a5f09cb47519461a956427f32b6b9f920d3503c4d41be9803d12789aa78b131","id":73178,"kind":"listing","method":"baseline/1","observed_us":1793025487127385,"prev":null,"subject":"x402_bazaar:https://data.spencermcw.com/v1/drug/nadac","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.