Allscripts Healthcare Solutions · Rate Limits
Allscripts Healthcare Solutions Rate Limits
Allscripts / Veradigm does not publish concrete public per-second or per-minute API rate limits. Limits for Unity, FHIR, and Practice Fusion APIs are enforced per partner registration and per FHIR-server tenant. Patient-facing FHIR endpoints follow ONC / Cures Act non-discrimination requirements but are subject to operational throttling.
3 Limits
Throttle: 429
Healthcare ITEHRClinicalFHIRRate Limiting
Limits
Unity API Per-Partner Throughput partner
per-partner-registration; not publicly documented
FHIR API Tenant Throughput tenant
per-tenant; not publicly documented but enforced by the FHIR server
Practice Fusion API partner
per-partner-registration; not publicly documented
Policies
SMART-on-FHIR Authorization
FHIR API access uses SMART-on-FHIR / OAuth 2.0 authorization with launch contexts; tokens are scoped per app and per patient.
Backoff Strategy
On 429 responses implement exponential backoff with jitter and honor Retry-After if returned.
ONC Non-Discrimination
Patient-access FHIR endpoints must not discriminate against certified app developers per 21st Century Cures Act information-blocking rules; throttling must be reasonable and operationally justified.
Partner Registration
Partner-program registration governs production-tier rate-limit allowances and certification status.