{"slug":"rxnav-apis","name":"RxNav APIs","host":"rxnav.nlm.nih.gov","site":"https://nih.gov","category":"data","docsUrl":null,"sources":[{"kind":"changelog","url":"https://lhncbc.nlm.nih.gov/RxNav/"}],"url":"https://www.okapi.bot/providers/rxnav-apis/","json":"https://www.okapi.bot/api/v1/providers/rxnav-apis.json","breakingChanges":[{"slug":"the-drug-drug-interaction-api-stops-working","api":"rxnav-apis","title":"The Drug-Drug Interaction API stops working","kind":"removal","outcome":"fails","model":null,"announcedAt":"2023-07-03","effectiveAt":"2024-01-02","scope":null,"calls":["/REST/interaction/*"],"method":null,"path":"/REST/interaction/*","source":{"url":"https://lhncbc.nlm.nih.gov/RxNav/","kind":"archive"},"quote":"The Drug-Drug Interaction API will be discontinued on or about January 2, 2024.","migration":"NLM offers no replacement in RxNav: move drug-drug interaction checks to a separately licensed drug knowledge source.","migrationChange":null,"needsDecision":"NLM provides no replacement: a drug-interaction data source must be chosen and licensed.","text":{"summary":"On January 2, 2024, the Drug-Drug Interaction API was discontinued. This change affects all requests sent to /REST/interaction/* endpoints. Following that date, these calls fail.","migration":"NLM offers no replacement in RxNav. You must choose and license a separate drug knowledge source to move drug-drug interaction checks to.","by":"writer"},"publishedAt":"2026-10-23T10:10:30.031Z","updatedAt":"2026-10-25T08:33:15.398Z","status":"in_effect","tone":"broken","url":"https://www.okapi.bot/providers/rxnav-apis/breaking-changes/the-drug-drug-interaction-api-stops-working/"}]}