API Evangelist

Cohere Health is a United States clinical-intelligence and utilization-management company that digitizes prior authorization for health plans. Its Unify platform applies clinical AI and evidence-based policy to streamline authorization intake, review, and decisioning, and its API suite implements the HL7 Da Vinci Burden Reduction guides — Coverage…

Optum, part of UnitedHealth Group, is a health services and technology company that operates one of the largest medical and pharmacy networks in the United States. Its developer platform (developer.optum.com) exposes RESTful, JSON- and X12 EDI-based healthcare APIs for eligibility verification, professional and institutional claims validation and…

Turquoise Health is a healthcare price transparency platform that provides REST APIs for accessing hospital and insurer negotiated rates, out-of-pocket cost estimates, and machine-readable files (MRF) data.

Health Gorilla operates a national health-data interoperability network and a FHIR-first API suite for healthcare developers. Its HL7 FHIR R4 REST API provides access to patient records, person-authorized record retrieval across national exchange networks (QHIN / TEFCA), diagnostic (lab and radiology) ordering and results, clinical documents, and…

Metriport is an open-source, universal API for healthcare data. The Medical API exchanges patient medical records across the CommonWell and Carequality networks and returns consolidated FHIR R4 data, while the Devices API hydrates activity, biometrics, nutrition, and sleep data from consumer wearables and mHealth apps.

Datavant is a United States health-data logistics company, formed from the 2021 merger of Datavant and Ciox Health, that connects and de-identifies healthcare data across a "network of networks" spanning 350+ real-world data partners, 80,000+ hospitals and clinics, and a majority of the largest US health systems.

Fasten Health is a healthcare data interoperability company offering a unified medical record platform that gives patients and developers access to clinical data across the U.S. healthcare system.

Flexpa is a patient-access platform that lets applications connect a patient to their health insurance plan and retrieve claims and clinical data as normalized FHIR R4 resources. Patients authorize access through Flexpa Link / OAuth 2.0 PKCE, and applications read ExplanationOfBenefit, Coverage, Patient, and other resources from a single FHIR API…

Ribbon Health (now part of H1) is a healthcare provider data platform offering a REST API for searching provider directories, verifying insurance networks, checking provider availability, and enriching clinical data.

Rhapsody Health Solutions is a US-headquartered (Boston, Massachusetts) healthcare interoperability company trusted by more than 1,900 healthcare organizations across 31 countries, and recognized as Best in KLAS for integration engines for 17 consecutive years.