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MARKET MONITOR / CATALOGUE Services 83,399 MCP listed 39,682 x402 43,726 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-26 · 2 sources
Provider

data.spencermcw.com

data.spencermcw.com · 13 listed services · provider site

Sales rate x402 REST usage

What is the sales tax rate at this US address, ZIP+4 or ZIP? The combined rate and each state, county, city and district rate in the 24 Streamlined Sales Tax states (WA, OH, MI, NJ, TN, …), computed by Distill from each...

data.spencermcw.com Crypto & Payments 4 calls / 30d checked 2026-10-26
0.005 USDC per call per call

Changes x402 REST usage

Quarterly sales-tax rate and boundary changes in the Streamlined Sales Tax states

data.spencermcw.com Business & Growth 3 calls / 30d checked 2026-10-26
0.05 USDC per call per call

Address x402 REST usage

Is this crypto address on OFAC’s SDN sanctions list? SDN entry, program, asset and list date for Bitcoin, Ethereum and EVM, Tron, Solana and other addresses, checked by Distill against OFAC’s own SDN file. Updated daily....

data.spencermcw.com Crypto & Payments 2 calls / 30d checked 2026-10-26
0.005 USDC per call per call

Rate x402 REST usage

What does Medicare pay for this CPT or HCPCS code at this ZIP? Physician Fee Schedule facility and non-facility allowed amounts with the RVUs and GPCIs behind them, any US ZIP or Medicare locality, 2025 on, computed by D...

data.spencermcw.com Crypto & Payments 2 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Plan x402 REST usage

What does this Medicare Part D plan cost and cover? Premium, deductible, service area, cost sharing by tier and one drug’s terms for a contract-plan-segment id, computed by Distill from CMS’s monthly formulary files. Upd...

data.spencermcw.com Crypto & Payments 2 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Search x402 REST usage

Which NDCs match this drug name, and what do pharmacies pay for them? NADAC search by name (e.g. “atorvastatin 40”) with NDC counts and current per-unit cost ranges, from CMS’s weekly NADAC file. Updated weekly. $0.01 pe...

data.spencermcw.com Crypto & Payments 2 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Nadac x402 REST usage

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 o...

data.spencermcw.com Crypto & Payments 2 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Batch x402 REST usage

Sales-tax rates for up to 100 US locations in one call (Streamlined Sales Tax states)

data.spencermcw.com Business & Growth 2 calls / 30d checked 2026-10-26
0.1 USDC per call per call

Coverage x402 REST usage

Which Medicare Part D plans in this county cover this drug, at what tier and cost? Every PDP and Medicare Advantage drug plan with tier, prior authorization, step therapy, quantity limit, premium and copay, plan years 20...

data.spencermcw.com Crypto & Payments 1 calls / 30d checked 2026-10-26
0.02 USDC per call per call

Localities x402 REST usage

How does Medicare’s allowed amount for one code vary across the US? Physician Fee Schedule amounts in all 109 Medicare localities (or one state’s) with the national amount and range, computed by Distill from CMS’s RVU an...

data.spencermcw.com Crypto & Payments 1 calls / 30d checked 2026-10-26
0.02 USDC per call per call

Payers x402 REST usage

Negotiated prices for one billing code in one area, per canonical payer and plan type

data.spencermcw.com Dev & Code 1 calls / 30d checked 2026-10-26
0.02 USDC per call per call

Compare x402 REST usage

One billing code across up to 10 named hospitals, one normalized row each

data.spencermcw.com Dev & Code 1 calls / 30d checked 2026-10-26
0.02 USDC per call per call

Prices x402 REST usage

Posted hospital prices for one billing code near a US ZIP code or point

data.spencermcw.com Dev & Code 1 calls / 30d checked 2026-10-26
0.02 USDC per call per call

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