Transactional email — compare pricing, reliability & setup
Generated 2026-11-02 01:10 UTC · JSON
For transactional email, the current pick is Resend (score 92.33). $0/mo at 50k emails.
Ranking — Transactional email
| Vendor | Score | 3k/mo | 50k/mo | 1M/mo | Free | Agent-friction | Verified |
|---|---|---|---|---|---|---|---|
| Resend | 92.33 | $0 | $20 | $650 | yes | 85 | 2026-11-01 |
| Twilio SendGrid community cooler than our score | 82.85 | $19.95 | $19.95 | $304.95 | no | 45 | 2026-11-01 |
| Mailgun | 79.91 | $15 | $35 | $1080 | no | 55 | 2026-11-01 |
| Amazon SES | 67.75 | $0.30 | $5 | $100 | yes | 35 | 2026-11-01 |
| Postmark | 63.25 | $15 | $66 | $1206 | no | 65 | 2026-11-01 |
Agent-friction — can a service be set up without a human?
Each check and its weight is published; the column total is the 0–100 agent-friction score.
| Check | Resend | Twilio SendGrid | Mailgun | Amazon SES | Postmark |
|---|---|---|---|---|---|
| Test credentials without a credit card (20) | ✓ | ✓ | ✓ | × | ✓ |
| Sandbox or test mode (15) | ✓ | ✓ | ✓ | ✓ | ✓ |
| Setup with no human-only steps (15) | × | × | × | × | × |
| Official CLI (10) | ✓ | × | × | ✓ | × |
| Official MCP server (10) | ✓ | × | × | × | × |
| Markdown docs, current with the SDK (10) | ✓ | × | × | × | ✓ |
| Typed SDK for main languages (10) | ✓ | ✓ | ✓ | ✓ | ✓ |
| Error messages that name the fix (10) | ✓ | × | ✓ | × | ✓ |
| Score | 85 | 45 | 55 | 35 | 65 |
How this category is scored
Per use case, weights published in the data: fit 25% · cost 20% · integration 20% · agent_friction 15% · health 10% · lock_in 10%. Affiliate status is never an input.