Black Book Research ranks Onyx #1 for Client Satisfaction in FHIR-Based Prior Authorization Solutions

In the Black Book Research’s 2025 Survey identifies Onyx as the as the leader in the Healthcare Interoperability Market with the OnyxOS Platform.

Mission Hills, KS – December 18, 2024 – Black Book Research has identified Onyx as the highest-rated vendor in its 2025 survey on FHIR-based prior authorization interoperability solutions. The survey, which captured insights from 665 providers and 718 payers, highlights the importance of CMS-mandated HL7®FHIR® (Fast Healthcare Interoperability Resources) standards in modernizing healthcare data exchange.

“These findings highlight the collective expertise of providers and payers navigating FHIR adoption,” 

Doug Brown 
Founder, Black Book Research

Black Book Research 2025 Survey

The study underscores the essential role of FHIR-based APIs in optimizing prior authorization workflows, enabling organizations to improve operational efficiency, meet compliance requirements, and enhance patient outcomes. Under recent CMS mandates, payer organizations-including Medicare Advantage Plans, Medicaid Managed Care Organizations (MCOs), and Qualified Health Plans – are required to adopt FHIR standards to enhance data sharing and interoperability. These regulations aim to standardize, secure, and simplify the exchange of healthcare data across ecosystems.

Onyx: Top Performer in FHIR InteroperabilityOnyx emerged as the leading vendor in the survey, achieving the highest ratings in prior authorization integration. Feedback from 1,383 participants recognized OnyxOS as a benchmark platform for implementing CMS-mandated FHIR standards, highlighting its technical excellence and user-centric design.Built on Microsoft Azure, OnyxOS offers unparalleled scalability and robust data protection, ensuring the platform can handle increasing operational demands with reliability. Its advanced automation capabilities streamline complex workflows such as prior authorization and claims adjudication, minimizing delays and reducing administrative burdens for users. Additionally, OnyxOS enables bidirectional, real-time data sharing, providing transparency and aligning with CMS regulatory timelines. This functionality promotes efficient payer-provider communication, a critical component in meeting compliance requirements and advancing value-based care models.

Survey participants commended OnyxOS for its ease of integration with existing healthcare systems and its ability to meet compliance requirements while enhancing collaboration. With top satisfaction scores across 14 of 18 performance indicators, OnyxOS exemplifies technical excellence in the FHIR interoperability landscape.

“These findings highlight the collective expertise of providers and payers navigating FHIR adoption,” said Doug Brown, Founder of Black Book Research. “To succeed with FHIR initiatives, organizations should prioritize experienced vendors, regulatory readiness, and scalable, automated solutions. By aligning vendor capabilities with organizational needs and focusing on proven systems, cloud-native platforms, and automation, they can ensure compliance, improve operational efficiency, and establish a strong foundation for long-term success in healthcare interoperability.”

The report further underscores the transformative potential of FHIR-based solutions. By addressing regulatory compliance and improving operational efficiency, FHIR standards are driving the healthcare industry’s shift to interconnected, value-based care ecosystems. Vendors offering cloud-native, future-ready platforms play a pivotal role in advancing real-time, secure data exchange between stakeholders.

About Black Book Research
Black Book Research is an independent market research and public opinion company specializing in healthcare IT and managed services. Since 2003, Black Book has provided comprehensive and unbiased evaluations of vendor performance, relying on crowdsourced insights from actual users. Committed to impartiality, Black Book does not accept fees for inclusion or maintain financial ties with vendors or advisory firms. Its research empowers healthcare organizations to navigate critical topics such as interoperability, regulatory compliance, and CMS-mandated FHIR standards. By delivering actionable data, Black Book enables healthcare stakeholders to make informed technology investments that drive improved patient care and operational efficiency.

About Onyx Technology
Onyx Health is a leader in healthcare interoperability, offering cutting-edge solutions that enable health plans and healthcare organizations to meet regulatory requirements, improve data exchange, and enhance patient care. With a focus on leveraging FHIR standards, Onyx Health helps healthcare organizations navigate the complexities of healthcare data management. Please visit www.onyxhealth.io

Media Contacts:
Onyx Technology, LLC
Naveen Chaudhary
Client Success Officer
Naveen.chaudhary@onyxhealth.io
+1.660.600.6111

Black Book Research
Press Office 
research@blackbookmarketresearch.com
+1.800.863.7590

Share