Head-to-Head Specification Audit
Epic Systems vs Postmark
Enterprise Electronic Health Records · United States
Healthcare Software
Epic Systems
Enterprise Electronic Health Records · United States
Visit Epic Systems →Specification Matrix
| Metric | Epic Systems | Postmark |
|---|---|---|
| Starting Price | Custom pricing | $15/mo |
| API Rate Limit | 200 req/min | Not confirmed |
| Target Country | United States | Global |
| Category | Healthcare Software | Email API |
| Compliance (vendor-stated) | HIPAA, ONC, SOC2, HL7-FHIR, FDA-SaMD | GDPR, SOC2 |
| Hosting Regions | US-East, US-West | US-East, EU-West |
| Native Integrations | 5 listed | 6 listedBetter |
Epic Systems — Key Specs
Vendor-stated- ✓Largest EHR market share (35%+ of US hospital beds)
- ✓MyChart patient portal with 200M+ registered patients
- ✓Epic AI (Cosmos) — largest real-world clinical dataset for AI training
- ✓ONC-certified, HIPAA, HL7 FHIR R4 compliant
Postmark — Key Specs
Vendor-stated- ✓Average delivery time of 3.2 seconds — fastest transactional delivery benchmarked
- ✓Message Streams separate transactional from bulk email — protects domain reputation
- ✓GDPR-compliant EU-only sending available for EU data residency requirements
- ✓10-year email storage and retrieval via Message Retention add-on
Frequently Asked Questions
Which is lower-priced, Epic Systems or Postmark?+
Epic Systems uses custom pricing. Postmark starts at $15/mo. Contact Epic Systems directly for a quote.
Which compliance frameworks do Epic Systems and Postmark list?+
Both list SOC2 in their vendor documentation. Epic Systems additionally lists HIPAA, ONC, HL7-FHIR, FDA-SaMD. Postmark additionally lists GDPR. These are vendor-stated frameworks. VektorIndex has not independently audited these claims.
Which has a higher documented API rate limit — Epic Systems or Postmark?+
Available information does not support a direct comparison of API rate limits for these tools. Check each vendor's developer documentation.
Which data hosting regions do Epic Systems and Postmark support?+
Epic Systems lists hosting regions: US-East, US-West. Postmark lists hosting regions: US-East, EU-West. For data residency requirements in United States, confirm exact region configuration directly with each vendor.
Data last updated: 29 August 2026 — Sourced from official vendor documentation. Not independently audited. Report incorrect information
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