Head-to-Head Specification Audit
Luno vs Postmark
Businesses Accepting Crypto Payments · South Africa
Specification Matrix
| Metric | Luno | Postmark |
|---|---|---|
| Starting Price | $0/moBetter | $15/mo |
| API Rate Limit | 100 req/min | Not confirmed |
| Target Country | South Africa | Global |
| Category | Cryptocurrency Exchange | Email API |
| Compliance (vendor-stated) | FSCA, FICA, POPIA | GDPR, SOC2 |
| Hosting Regions | ZA, EU | US-East, EU-West |
| Native Integrations | 2 listed | 6 listedBetter |
Luno — Key Specs
Vendor-stated- ✓FSCA-registered in South Africa
- ✓ZAR on/off ramp
- ✓API for business accounts
- ✓Supports BTC ETH XRP USDC
- ✓Trusted by 10M+ users in SA
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, Luno or Postmark?+
Luno starts at Free plan available, which is lower than Postmark at $15/mo. Verify current pricing on each vendor's website.
Which compliance frameworks do Luno and Postmark list?+
Luno additionally lists FSCA, FICA, POPIA. Postmark additionally lists GDPR, SOC2. These are vendor-stated frameworks. VektorIndex has not independently audited these claims.
Does Luno or Postmark list POPIA as a supported compliance framework?+
Luno lists POPIA (Protection of Personal Information Act) as a supported compliance framework per its vendor documentation. VektorIndex has not independently verified this claim. South African organisations should request the vendor's current Data Processing Agreement and confirm data residency settings before processing personal information. Postmark does not list POPIA as a supported compliance framework in its public documentation. Contact the vendor to confirm their position before processing South African personal information.
Which has a higher documented API rate limit — Luno 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 Luno and Postmark support?+
Luno lists hosting regions: ZA, EU. Postmark lists hosting regions: US-East, EU-West. For data residency requirements in South Africa, 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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