{"slug":"api-healthtravel-api-workers-dev-api-health-formulary-covera-22c39f","title":"Medicare Part D drug coverage from CMS monthly formulary files, current and next","host":"api.healthtravel-api.workers.dev","method":"GET","resource":"https://api.healthtravel-api.workers.dev/api/health/formulary-coverage-lookup","category":"commerce","description":"Medicare Part D drug coverage from CMS monthly formulary files, current and next plan year: for a drug (name or RxCUI), in one plan, across a state's plans or over every formulary: coverage per strength, cost-share tier, prior authorization, step therapy, quantity limit, IRA negotiated-price flag, 3","price_listed":0.003,"price_asked":0.003,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":28,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:5042","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","xrpl:0"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"drug":"atorvastatin","limit":10,"state":"TX"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"drug":{"description":"Drug name (generic or brand, e.g. atorvastatin, Eliquis) or an RxCUI","type":"string"},"limit":{"description":"Max plans in a state listing, 1-100 (default 20)","type":"integer"},"plan":{"description":"Optional plan id CONTRACT-PLAN[-SEGMENT], e.g. H0028-007 or S4802-075","type":"string"},"state":{"description":"Optional 2-letter state: list the plans sold there with this drug's coverage","type":"string"},"year":{"description":"Plan (contract) year, e.g. 2026 or 2027. Default: the current year if loaded, else the newest","type":"string"}},"required":["drug"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.003,"price_match":true,"latency_ms":28,"error":null}],"description_full":"Medicare Part D drug coverage from CMS monthly formulary files, current and next plan year: for a drug (name or RxCUI), in one plan, across a state's plans or over every formulary: coverage per strength, cost-share tier, prior authorization, step therapy, quantity limit, IRA negotiated-price flag, 30-day retail/mail cost, plan premium and deductible. Includes the CMS release date.","last_updated":"2026-10-23T19:25:23.849Z","schemes":["exact"]}