Head-to-Head Specification Audit
Resend vs Sansan
SaaS Developers · Global
Specification Matrix
| Metric | Resend | Sansan |
|---|---|---|
| Starting Price | $20/mo | Custom pricing |
| API Rate Limit | Not confirmed | 100 req/min |
| Target Country | Global | Japan |
| Category | Email API | CRM |
| Compliance (vendor-stated) | GDPR, SOC2 | APPI, ISO27001 |
| Hosting Regions | US-East, EU-West | JP-Tokyo |
| Native Integrations | 6 listedBetter | 4 listed |
Resend — Key Specs
Vendor-stated- ✓React Email lets you build transactional email templates with JSX — version-controlled
- ✓Developer-first API: send an email in 5 lines of code with full TypeScript support
- ✓Free tier includes 3,000 emails/month and 1 custom domain — zero credit card
- ✓Delivery logs and webhooks per-email event (sent, delivered, bounced, opened)
Sansan — Key Specs
Vendor-stated- ✓The de-facto business card digitisation platform in Japan — used by 8,000+ enterprises
- ✓AI extracts data from meishi (名刺) in both Japanese and English
- ✓Integrates with Salesforce — maps Japanese relationship hierarchy
- ✓APPI-compliant data management for Japanese enterprise buyers
Frequently Asked Questions
Which is lower-priced, Resend or Sansan?+
Sansan uses custom pricing. Resend starts at $20/mo. Contact Sansan directly for a quote.
Which compliance frameworks do Resend and Sansan list?+
Resend additionally lists GDPR, SOC2. Sansan additionally lists APPI, ISO27001. These are vendor-stated frameworks. VektorIndex has not independently audited these claims.
Which has a higher documented API rate limit — Resend or Sansan?+
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 Resend and Sansan support?+
Resend lists hosting regions: US-East, EU-West. Sansan lists hosting regions: JP-Tokyo. 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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