data.spencermcw.com/v1/drug/nadac

data.spencermcw.com · x402

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.

Name and description as published by x402 Bazaar

Live

Last successful check: 26 Oct 2026, 08:55 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

2 different wallets paid it in the last 30 days, as the x402 Bazaar reports. Payments

How addrbook checks →

Evidence

1 of 4 shown

Answers when askedShown
Answered a check 5 hours ago.
Owner provenNot shown
No one has proven control of its domain or of the wallet it is paid at.
Track recordNot shown
Listed for 0 days; 30 are needed.
Independent paying walletsNot shown
2 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed.
Tool scanDoes not apply
Not an MCP server.

Decided 26 Oct 2026, 14:49 UTC by method 2026.10.1, from its recorded evidence. A check that does not apply is left out of the count.

Connect

https://data.spencermcw.com/v1/drug/nadac

x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.

Who's behind it

Listed by: x402 Bazaarlast seen 26 Oct, 15:43 UTC
Wallets named: 0xe6900ae625875b748f56fb45c3e06a59be8870dfnamed by x402 Bazaar
Proven to belong to it: Nothing yet. Is it yours?
Listed since: 25 Oct 2026, 17:52 UTC

Payments

different wallets paid it, last 30 days: 2
paid calls, last 30 days: 2
last paid call (UTC): 23 Oct, 04:28

As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read 26 Oct 2026, 15:43 UTC. addrbook has not counted these payments itself.

How it asks to be paid

Network	Price	Paid in	Settled by	Pays to
Base	$0.01	USDC	Per request	0xe6900ae625875b748f56fb45c3e06a59be8870df

From its own 402 answer at 26 Oct, 08:55 UTC. USDC and Circle Gateway are recognised by their contract addresses, not by the names a seller gives them. How payments are read

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
data.spencermcw.com	x402	Live	26 Oct, 08:55	26 Oct, 08:55	100%	100%	—

History

26 Oct 2026, 14:43 UTCFirst recorded as answering. (already true when recording began)https://data.spencermcw.com/v1/drug/nadac#180034
26 Oct 2026, 14:40 UTCPayment terms first read: $0.01 on Base, paid to 0xe6900ae625875b748f56fb45c3e06a59be8870df. (already true when recording began)https://data.spencermcw.com/v1/drug/nadac#132833
26 Oct 2026, 14:38 UTCListed by the x402 Bazaar. The listing names wallet 0xe6900ae625875b748f56fb45c3e06a59be8870df. (already true when recording began)the x402 Bazaar#73178

Its whole history →

Also listed as

Other entries that share an endpoint with this one.

data.spencermcw.com

Is it yours?

Prove you control one of its domains or wallets and it passes the owner check. You can then reply beside the evidence. Claim this agent

Its evidence badge, for a README or a site. It shows the same count as this page, never a verdict.

[![addrbook evidence](https://api.addrbook.com/v1/agents/data-spencermcw-com-v1-drug-nadac-47027285/badge.svg)](https://addrbook.com/agents/data-spencermcw-com-v1-drug-nadac-47027285)