The service's listing describes it this way: 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. Website
A service is a tool an AI agent pays to call. data.spencermcw.com is listed on this page under Other, settling on Base, through x402. 30-day settled volume on this page is $0.01. The listing comes from the service catalog. Open a row for payments, payers, and chains. See Bazaar, agent payment use cases, and the methodology.
FacilitatorsCoinbase
Payee
- 0xe690…70dfBase
Methodology · settled volume through 2026-10-25 · catalog Oct 25, 2026, 6:39 AM UTC
| Metric | 24h | 7d | 30d |
|---|---|---|---|
| Volume | $0.00 | $0.01 | $0.01 |
| Payments | 0 | 1 | 1 |
| Payers | 0 | 1 | 1 |
| Avg payment | $0.00 | $0.005 | $0.005 |
| Share of Other | — | 0.0% | 0.0% |
| Use-case rank | — | #441 | #446 |
Payers can be counted more than once when they paid through more than one facilitator.
Settled volume
$0.01
New
Payments
1
7d
Payers
1
7d
Avg payment
$0.005
volume / payments
Daily settled volume for data.spencermcw.com
Data through Oct 25, 2026. Source: public settlement logs. Methodology
| Time | Daily settled volume for data.spencermcw.com |
|---|---|
| 2026-10-23 | $0.01 |
| 2026-10-24 | $0.00 |
| 2026-10-25 | $0.00 |
Payers
Daily buyers for data.spencermcw.com
| Time | Daily buyers for data.spencermcw.com |
|---|---|
| 2026-10-23 | 1 |
Buyer concentration
100.0%
Top payer's share of lifetime volume. Not the period selected above.
Repeat buyers
0.0%
Lifetime buyers with more than one payment, divided by all buyers.
Endpoints and prices
Price, network, and asset come from the x402 Bazaar catalog.
| Endpoint | Network | Asset | Price | Scheme |
|---|---|---|---|---|
| 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 states (WA, OH, MI, NJ, TN, …), computed by Distill from each state’s SST rate and boundary files. Updated quarterly. $0.0 | base | USDC | $0.005 | exact |
| https://data.spencermcw.com/v1/tax/changes Quarterly sales-tax rate and boundary changes in the Streamlined Sales Tax states | base | USDC | $0.05 | exact |
| 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 weekly price history since January 2025, from CMS’s NADAC files on data.medicaid.gov. Updated weekly. $0.01 per call (x402, U | base | USDC | $0.01 | exact |
| 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 ranges, from CMS’s weekly NADAC file. Updated weekly. $0.01 per call (x402, USDC on Base); 3 free calls a day. | base | USDC | $0.01 | exact |
| https://data.spencermcw.com/v1/hospital/changes Hospital price and file changes, as a paged feed | base | USDC | $0.05 | exact |
| 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, computed by Distill from CMS’s monthly formulary files. Updated monthly. $0.01 per call (x402, USDC on Base); 3 free ca | base | USDC | $0.01 | exact |
| 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 them, any US ZIP or Medicare locality, 2025 on, computed by Distill from CMS’s quarterly RVU files. Updated quarterly. $0 | base | USDC | $0.01 | exact |
| 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, checked by Distill against OFAC’s own SDN file. Updated daily. $0.005 per call (x402, USDC on Base); 3 free calls a day. | base | USDC | $0.005 | exact |
| 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) | base | USDC | $0.10 | exact |
| 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 NADAC files. Updated weekly. $0.05 per call (x402, USDC on Base); 3 free calls a day. | base | USDC | $0.05 | exact |
| https://data.spencermcw.com/v1/hospital/compare One billing code across up to 10 named hospitals, one normalized row each | base | USDC | $0.02 | exact |
| https://data.spencermcw.com/v1/hospital/payers Negotiated prices for one billing code in one area, per canonical payer and plan type | base | USDC | $0.02 | exact |
| https://data.spencermcw.com/v1/hospital/prices Posted hospital prices for one billing code near a US ZIP code or point | base | USDC | $0.02 | exact |
| https://data.spencermcw.com/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); | base | USDC | $0.05 | exact |
| https://data.spencermcw.com/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 formular | base | USDC | $0.02 | exact |
| 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, computed by Distill from CMS’s RVU files. Updated quarterly. $0.05 per call (x402, USDC on Base); 3 free calls a day. | base | USDC | $0.05 | exact |
| https://data.spencermcw.com/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 | base | USDC | $0.02 | exact |
| https://data.spencermcw.com/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. | base | USDC | $0.05 | exact |
| 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 OFAC’s own SDN files. Updated daily. $0.02 per call (x402, USDC on Base); 3 free calls a day. | base | USDC | $0.02 | exact |
Facilitators used
| Facilitator | Volume | Tx | Share |
|---|---|---|---|
| Coinbasex402 | $0.01 | 1 | 100.0% |
Other services in Other
All in this use case- 60SecMonitor Status API#1 · $32.87 30d
- Pocket Network#2 · $32.23 30d
- AgentUtility.ai#3 · $15.13 30d
- Ausca Browser Session#4 · $12.30 30d
- win.oneshotagent.com#5 · $9.05 30d
Cite this
APA
Agent GDP. (2026). data.spencermcw.com [Data set]. Retrieved October 25, 2026, from https://agentgdp.io/service/data.spencermcw.com.
MLA
"data.spencermcw.com." Agent GDP, 25 Oct. 2026, https://agentgdp.io/service/data.spencermcw.com.
BibTeX
@misc{agentgdp_data_spencermcw_com_2026,
author = {{Agent GDP}},
title = {data.spencermcw.com},
year = {2026},
url = {https://agentgdp.io/service/data.spencermcw.com},
note = {Retrieved October 25, 2026. Data through 2026-10-25. Licensed under CC BY 4.0.},
license = {https://creativecommons.org/licenses/by/4.0/}
}Plain text
data.spencermcw.com: $0.01 settled volume (7d), 1 payments, 1 buyers. Agent GDP, data through 2026-10-25. https://agentgdp.io/service/data.spencermcw.com Retrieved October 25, 2026.
Data from Agent GDP (https://agentgdp.io/service/data.spencermcw.com), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).
Payers on a day can be counted more than once if they paid through more than one facilitator. Growth compares this period with the previous period of the same length. The page link uses the service's site when we have one, and the payee address otherwise.