Use this checklist to track your organization's readiness across five key dimensions: API Implementation, Testing, Monitoring, Documentation, and Governance.

1. API Implementation

  • Patient Access API deployed — HL7 US Core / CARIN Blue Button conformance verified
  • Provider Directory API deployed — DaVinci PDEX Plan Net conformance verified
  • Drug Formulary API deployed — DaVinci PDEX Formulary conformance verified
  • Prior Authorization API deployed — DaVinci Prior Authorization conformance verified
  • Payer-to-Payer API deployed — DaVinci PDEX conformance verified
  • CapabilityStatement accurate — Self-reported resource types, search parameters, and FHIR version match actual API behavior
  • OAuth 2.0 implemented — Patient-mediated authorization flows operational (Patient Access API)
  • Bulk Data export operational — HL7 Bulk Data Access IG conformance verified (Payer-to-Payer API)

2. Testing & Certification

  • Inferno testing passed — All five APIs tested with ONC Inferno test suite (or equivalent)
  • mustSupport elements verified — All required data elements present in sample responses
  • Cardinality constraints verified — Minimum occurrence requirements met (e.g., min: 1)
  • Search parameters tested — All required search capabilities functional
  • Error handling verified — Proper OperationOutcome responses for invalid requests
  • Production load tested — APIs can handle expected request volume

3. Continuous Monitoring

  • Post-deployment monitoring strategy defined — How will you detect specification drift after go-live?
  • Continuous conformance testing implemented — Automated checks run on each deployment or daily
  • Alerting configured — Notifications when drift is detected or APIs become non-conformant
  • Evidence chain established — Audit trail of conformance checks with timestamps and results
  • Rollback procedures documented — Process for reverting non-conformant deployments

This is where Tessara helps. Continuous FHIR conformance monitoring with cryptographic evidence chains. Learn more →

4. Documentation

  • API documentation published — Public-facing documentation with endpoints, authentication, and data models
  • Implementation Guides referenced — Clear citations to HL7 FHIR IGs used
  • Change log maintained — Record of API updates, version changes, and breaking changes
  • Developer portal available — Third-party developers can register apps and obtain test credentials
  • SLA defined — Uptime commitments and performance targets documented

5. Governance & Compliance

  • Compliance officer assigned — Named individual responsible for CMS-0057-F compliance
  • Legal review completed — Counsel has reviewed API terms of use, privacy policies, and BAAs
  • Risk assessment documented — Identified risks of non-compliance and mitigation strategies
  • Incident response plan defined — Process for handling API outages, security incidents, or conformance failures
  • Vendor contracts reviewed — Third-party FHIR platform vendors have clear SLAs and conformance guarantees
  • Board/executive awareness — Leadership understands CMS-0057-F requirements and organizational readiness status

Next Steps