data.spencermcw.com
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 state’s SST rate and boundary files. Updated quarterly. $0.005 per call (x402, USDC on Base); 3 free calls a day.
- Category
- Developer tools
- Starting price
- $0.005
- Paid calls · 30 days
- 36
- Unique payers · 30 days
- 32
Paid endpoints
19 endpoints, sorted by usage. Prices are per request.
- GET/v1/tax/sales-rate
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 state’s SST rate and boundary files. Updated quarterly. $0.005 per call (x402, USDC on Base); 3 free calls a day.
$0.005Base7calls / 30d - GET/v1/tax/changes
Quarterly sales-tax rate and boundary changes in the Streamlined Sales Tax states
$0.05Base3calls / 30d - GET/v1/drug/nadac
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.
$0.01Base3calls / 30d - GET/v1/drug/nadac/search
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 per call (x402, USDC on Base); 3 free calls a day.
$0.01Base3calls / 30d - GET/v1/hospital/changes
Hospital price and file changes, as a paged feed
$0.05Base2calls / 30d - POST/v1/tax/sales-rate/batch
Sales-tax rates for up to 100 US locations in one call (Streamlined Sales Tax states)
$0.10Base2calls / 30d - GET/v1/medicare/partd/plan
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. Updated monthly. $0.01 per call (x402, USDC on Base); 3 free calls a day.
$0.01Base2calls / 30d - GET/v1/medicare/pfs/rate
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 Distill from CMS’s quarterly RVU files. Updated quarterly. $0.01 per call (x402, USDC on Base); 3 free calls a day.
$0.01Base2calls / 30d - GET/v1/sanctions/address
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. $0.005 per call (x402, USDC on Base); 3 free calls a day.
$0.005Base2calls / 30d - GET/v1/hospital/prices
Posted hospital prices for one billing code near a US ZIP code or point
$0.02Base1calls / 30d - GET/v1/hospital/compare
One billing code across up to 10 named hospitals, one normalized row each
$0.02Base1calls / 30d - GET/v1/hospital/payers
Negotiated prices for one billing code in one area, per canonical payer and plan type
$0.02Base1calls / 30d - GET/v1/medicare/pfs/localities
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 and GPCI files. Updated quarterly. $0.02 per call (x402, USDC on Base); 3 free calls a day.
$0.02Base1calls / 30d - GET/v1/medicare/pfs/changes
What changed in the Medicare Physician Fee Schedule this quarter? RVU, status, conversion-factor, GPCI and OPPS-cap change records between CMS releases, 2025 on, computed by Distill from CMS’s RVU files. Updated quarterly. $0.05 per call (x402, USDC on Base); 3 free calls a day.
$0.05Base1calls / 30d - GET/v1/medicare/partd/coverage
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 2026 and 2027, computed by Distill from CMS’s monthly formulary files. Updated monthly. $0.02 per call (x402, USDC on Base); 3 free calls a day.
$0.02Base1calls / 30d - GET/v1/medicare/partd/changes
Which Medicare Part D formularies changed this month? Drugs added or dropped, tier, prior-authorization, step-therapy and quantity-limit changes and plan premium changes, computed by Distill from CMS’s monthly formulary files. Updated monthly. $0.05 per call (x402, USDC on Base); 3 free calls a day.
$0.05Base1calls / 30d - GET/v1/drug/nadac/changes
Which drug acquisition costs changed this week? NADAC per-unit cost changes and NDCs added or dropped, with CMS’s stated reason, 2025 on, from CMS’s weekly NADAC files. Updated weekly. $0.05 per call (x402, USDC on Base); 3 free calls a day.
$0.05Base1calls / 30d - POST/v1/sanctions/address/batch
Are any of these crypto addresses on OFAC’s SDN sanctions list? Up to 100 addresses screened in one call, checked by Distill against OFAC’s own SDN file. Updated daily. $0.05 per call (x402, USDC on Base); 3 free calls a day.
$0.05Base1calls / 30d - GET/v1/sanctions/changes
Which crypto addresses did OFAC add to or remove from the SDN list? Per-publication change records (added, removed, entry updated), computed by Distill from OFAC’s own SDN files. Updated daily. $0.02 per call (x402, USDC on Base); 3 free calls a day.
$0.02Base1calls / 30d