What do US pharmacies pay for this drug?
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.
Answeringour last check, 2026-10-24
1 of 1checks answered this week
963 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://data.spencermcw.com/v1/drug/nadac
| Category | Market data |
|---|---|
| Provider host | data.spencermcw.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-24 | valid payment request | 402 | $0.01 | 963 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"ndc": "00378410591"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"ndc": {
"pattern": "^(\\d{11}|\\d{4,5}-\\d{3,4}-\\d{1,2})$",
"type": "string"
}
},
"required": [
"ndc"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"additionalProperties": false,
"properties": {
"classification": {
"description": "G generic, B brand (as CMS classifies for rate setting).",
"type": "string"
},
"corresponding_generic": {
"anyOf": [
{
"additionalProperties": false,
"properties": {
"effective_date": {
"type": [
"string",
"null"
]
},
"nadac_per_unit": {
"type": "string"
}
},
"required": [
"nadac_per_unit",
"effective_date"
],
"type": "object"
},
{
"type": "null"
}
]
},
"current": {
"anyOf": [
{
"additionalProperties": false,
"properties": {
"as_of": {
"type": "string"
},
"effective_date": {
"type": "string"
},
"explanation_codes": {
"items": {
"type": "string"
},
"type": "array"
},
"nadac_per_unit": {
"type": "string"
}
},
"required": [
"nadac_per_unit",
"effective_date",
"as_of",
"explanation_codes"
],
"type": "object"
},
{
"type": "null"
}
]
},
"description": {
"type": "string"
},
"history": {
"description": "Price periods, newest first: runs of weekly files with the same NADAC.",
"items": {
"additionalProperties": false,
"properties": {
"effective_date": {
"type": "string"
},
"first_as_of": {
"type": "string"
},
"last_as_of": {
"type": "string"
},
"nadac_per_unit": {
"type": "string"
},
"weeks": {
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"type": "integer"
}
},
"required": [
"nadac_per_unit",
"effective_date",
"first_as_of",
"last_as_of",
"weeks"
],
"type": "object"
},
"type": "array"
},
"last_listed": {
"additionalProperties": false,
"properties": {
"as_of": {
"type": "string"
},
"effective_date": {
"type": "string"
},
"nadac_per_unit": {
"type": "string"
}
},
"required": [
"nadac_per_unit",
"effective_date",
"as_of"
],
"type": "object"
},
"listed": {
"description": "Whether the NDC is in the latest weekly file.",
"type": "boolean"
},
"ndc": {
"type": "string"
},
"otc": {
"type": "boolean"
},
"pharmacy_type": {
"type": "string"
},
"pricing_unit": {
"description": "EA, ML or GM: the unit the NADAC is per.",
"type": "string"
},
"same_description": {
"additionalProperties": false,
"properties": {
"max": {
"type": "string"
},
"min": {
"type": "string"
},