data.spencermcw.com

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); 3 free calls a day.

last updated: Oct 22, 2026 · type: http · x402 v2

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NetworkSchemeAmountPay To
Baseexact$0.05 USDC0xE690...70DF

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Oct 22, 2026