Postmark
7.6#2 in email deliverability softwareFree planFree planWebAPI
VisitPostmark vs Twilio Email API
Twilio Email API
7.5#11 in transactional email servicesFrom $19.95 a monthFree planWebAPI
VisitWhat both publish
| Fact | Postmark | Twilio Email API |
|---|---|---|
| Dedicated IP option | Yes | Yes |
| Founded | 2010 | 2008 |
| Free plan | Yes | No |
| Integrations | Official integrations include Slack, Zapier, Stripe, WordPress, Supabase, Bubble, Craft CMS, Netlify, and Gravity Forms. | Official client libraries are available for C#, Go, Java, Node.js, PHP, Python, and Ruby. |
| Security | Postmark supports TLS and HTTPS, DKIM, SPF, DMARC, two-factor authentication, API permission controls, penetration testing, and DDoS protection. | SendGrid supports API key authentication and recommends controls including key rotation, IP access management, two-factor authentication, and SSO. |
| Support | Postmark offers support by email, live chat, and one-on-one calls and reports a 95% customer happiness rating. | The pricing page says expert services and personalized support are available for purchase on Essentials and higher plans. |
Postmark plans
- FreeFree
- Basic$15 a month
- Pro$16.50 a month
- Platform$18 a month
- Custom activity retention$5 a month
- DMARC monitoring$14 a month
Twilio Email API plans
- Pay as you goFree
- Free TrialFree
- Essentials$19.95 a month
- Pro$89.95 a month
- PremierPriced on request
Pick Postmark if…
Postmark suits developers who need to send application email through an API or SMTP and track delivery events. Its inbound processing and message streams also suit services handling both incoming and different types of outgoing email.
Pick Twilio Email API if…
You want what its maker publishes above — check its page for the details.