Twilio SendGrid alternatives
What Twilio SendGrid costs today: not recorded (a free plan is available). site ↗pricing ↗
Below are the 3 other transactional email tools we track daily, cheapest entry first — each one written up from what our record actually holds, with a link to its own site and pricing page. Where we have written a full comparison, the name links to it.
The alternatives, tool by tool
Mailgunsite ↗pricing ↗
A transactional and bulk email API for developers, priced per message rather than per contact. Paid plans start at $15/mo (Basic); a free plan exists. The ladder we hold runs 3 paid tiers, topping out at $90/mo (Scale Free). We read the same $15/mo in every market we check, so this vendor does not price by country.
Postmarksite ↗pricing ↗
A transactional email service — receipts, password resets, notifications — built for deliverability rather than marketing campaigns. Paid plans start at $15/mo (Basic); a free plan exists. The ladder we hold runs 3 paid tiers, topping out at $18/mo (Platform). We read the same $15/mo in every market we check, so this vendor does not price by country.
Resendsite ↗pricing ↗
Paid plans start at $20/mo (Pro); a free plan exists. The ladder we hold runs 8 paid tiers, topping out at $1150/mo (Scale).
Side by side
| Tool | Paid from | Free plan | Currency | Read | Source |
|---|---|---|---|---|---|
| Mailgun | $15/mo | Yes | USD | 2026-09-03 | page |
| Postmark | $15/mo | Yes | USD | 2026-09-03 | page |
| Resend | $20/mo | Yes | USD | 2026-09-03 | page |