Head-to-Head Specification Audit
Attio vs Postmark
Modern AI-Native CRM for B2B SaaS · Global
Specification Matrix
| Metric | Attio | Postmark |
|---|---|---|
| Starting Price | $34/mo | $15/moBetter |
| API Rate Limit | 100 req/min | Not confirmed |
| Target Country | Global | Global |
| Category | CRM | Email API |
| Compliance (vendor-stated) | SOC2, GDPR | GDPR, SOC2 |
| Hosting Regions | EU-West, US-East | US-East, EU-West |
| Native Integrations | 5 listed | 6 listedBetter |
Attio — Key Specs
Vendor-stated- ✓AI-native: enriches contacts automatically from web sources
- ✓Flexible data model — works like a database, not a rigid CRM
- ✓SOC 2 Type II, GDPR compliant
- ✓Fastest growing CRM in Y Combinator portfolio companies
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, Attio or Postmark?+
Postmark starts at $15/mo, which is lower than Attio at $34/mo. Verify current pricing on each vendor's website.
Which compliance frameworks do Attio and Postmark list?+
Both list SOC2, GDPR in their vendor documentation. These are vendor-stated frameworks. VektorIndex has not independently audited these claims.
Which has a higher documented API rate limit — Attio 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 Attio and Postmark support?+
Attio lists hosting regions: EU-West, US-East. Postmark lists hosting regions: US-East, EU-West. For data residency requirements in Global, 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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