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2026 Black Book Market Research

Onyx Ranked #1 Overall for FHIR-Based Payer Interoperability & ePA

Black Book Market Research ranked Onyx first overall in its Q3 2026 report on FHIR-based payer interoperability and ePA, based on feedback from 764 qualified healthcare respondents. Onyx placed first in 11 of 18 key performance indicators.

Black Book evaluates solutions using validated customer and end-user experience rather than vendor submissions, sponsorships, paid participation, analyst opinion, or product demonstrations.

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What set Onyx apart

#1 Across 11 Key Performance Indicators

Black Book recognized Onyx across more than regulatory execution, with leadership spanning interoperability, connected healthcare data, workflow integration, analytics, governance, intelligence, and platform operations.

Regulatory + API Execution
2
Regulatory Alignment and CMS-0057 Execution Readiness
Patient, Provider, and Payer-to-Payer API Coverage
Data + Workflow
3
Clinical Data Acquisition, Normalization, and Quality
Workflow Integration Across UM, Risk, Quality, and Care Management
Provider Network Activation and Adoption
Governance + Intelligence
3
Security, Privacy, Consent, and App Governance
Analytics, Operational Metrics, and Audit-Ready Reporting
AI-Enabled Clinical Document Intelligence and Automation Governance
Platform + Ecosystem
3
Partner Ecosystem and Deployment Flexibility
Developer Experience, App Onboarding, and API Operations
Roadmap Credibility and Standards Upgrade Discipline
From interoperability to intelligence

Build the foundation once. Create greater value from the data.

Rather than deploying a new solution for every mandate, Onyx helps health plans build a reusable interoperability foundation that acquires, normalizes, and governs healthcare data once. That trusted foundation enables intelligence across digital quality, risk adjustment, care gap closure, payment integrity, and other critical payer priorities—improving outcomes, strengthening financial performance, and unlocking greater enterprise value.

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See the complete vendor rankings, individual KPI results, market trends, and methodology behind Black Book's 2026 payer interoperability and ePA research.

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55+
Health plans
25+
State Medicaid programs
1 in 6
Americans supported
Onyx
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