Categories · Email APIs
Mailgun vs Postmark
Mailgun and Postmark are both Email APIs, compared here on pricing, compliance, capabilities, and developer experience from structured, cited data - not reviews or paid placement. On compliance, Mailgun additionally documents SOC 2, HIPAA.
Comparedby a transparent data-readiness score computed from each API's published, sourced fields. No reviews, no paid placement. How we rank.
Data last verified 2026-06-06, with every field cited on each profile.
Head-to-head, from published, cited fields (auto-generated; no paid placement)| Field | Mailgun | Postmark |
|---|
| Starting price | $15 month | $15 month |
|---|
| Pricing model | Hybrid | Hybrid |
|---|
| Free tier | ✓ | ✓ |
|---|
| Self-serve signup | ✓ | ✓ |
|---|
| SOC 2 | Type II | - |
|---|
| HIPAA | ✓ | · |
|---|
| GDPR | ✓ | ✓ |
|---|
| Webhooks | ✓ | ✓ |
|---|
| Sandbox | ✓ | ✓ |
|---|
| Documented actions | 146 | 82 |
|---|
Full data and citations: Mailgun · Postmark. See more Email APIs.