data.spencermcw.com

Route probed: GET https://data.spencermcw.com/v1/tax/changes
Category: eat:gov/regulatory/product (tags: gov-data, health, geo, chain-data, content) · Status: listing listed, probe active · Listing: 0.05 USD, 2 payers / 3 calls (30d, Bazaar) · Listed in: agentic-market, cdp-bazaar
Last probe: 2026-10-23T15:00:30Z (1 h ago) · Recent valid 402: 2/2 · p50 1295 ms
probe-only: no paid test-buys yet. No index until 3 paid buys on 3 different days.

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402 challenge checks (since 2026-10-23T15:00:30Z)

1 valid 402s checked: terms consistent 1, Base USDC offered 1, price matches listing 1 (differs 0), payTo changed vs previous probe 0.

Unpaid probes (newest first, up to 200; raw receipts are kept 7 days, then in the archive)

Other listed routes

• https://data.spencermcw.com/v1/tax/changes Quarterly sales-tax rate and boundary changes in the Streamlined Sales Tax states (cdp-bazaar)
• https://data.spencermcw.com/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 st (cdp-bazaar)
• https://data.spencermcw.com/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 weekl (cdp-bazaar)
• https://data.spencermcw.com/v1/hospital/changes Hospital price and file changes, as a paged feed (cdp-bazaar)
• https://data.spencermcw.com/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, ch (cdp-bazaar)
• https://data.spencermcw.com/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 t (cdp-bazaar)
• https://data.spencermcw.com/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 ra (cdp-bazaar)
• https://data.spencermcw.com/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, (cdp-bazaar)
• https://data.spencermcw.com/v1/tax/sales-rate/batch Sales-tax rates for up to 100 US locations in one call (Streamlined Sales Tax states) (cdp-bazaar)
• https://data.spencermcw.com/v1/hospital/payers Negotiated prices for one billing code in one area, per canonical payer and plan type (cdp-bazaar)
• https://data.spencermcw.com/v1/hospital/prices Posted hospital prices for one billing code near a US ZIP code or point (cdp-bazaar)
• https://data.spencermcw.com/v1/hospital/compare One billing code across up to 10 named hospitals, one normalized row each (cdp-bazaar)
• https://data.spencermcw.com/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 OFA (cdp-bazaar)
• https://data.spencermcw.com/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 NADA (cdp-bazaar)
• https://data.spencermcw.com/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 (cdp-bazaar)

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