data.spencermcw.com
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.
- Price per call
- $0.05
- Chain
- Base
- Method
- GET
- Paid calls · 30 days
- 1
Call it from code
This API is run by its own provider and paid directly through x402. We list it so you can find it; we don't route or hold the payment.
import { x402Client, wrapFetchWithPayment } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
const client = new x402Client();
registerExactEvmScheme(client, { signer: agentAccount });
const pay = wrapFetchWithPayment(fetch, client);
const res = await pay("https://data.spencermcw.com/v1/medicare/partd/changes", { method: "GET" });
console.log(await res.json());https://data.spencermcw.com/v1/medicare/partd/changes