The uncomfortable 2026 reality is that “FHIR-ready” no longer means integration-ready. In April, CMS proposed extending electronic prior authorization requirements to drugs while impacted payers are already approaching January 1, 2027 deadlines for Provider Access, Payer-to-Payer, Prior Authorization, and expanded Patient Access APIs. That puts Healthcare API integration under a harsher test: can payer, provider, EHR, and patient-portal data move securely, consistently, and with usable c...