SendGrid vs Postmark
A detailed comparison to help you choose between SendGrid and Postmark.
SendGrid Twilio's email API for developers at scale | Postmark Fastest transactional email delivery — inbox-focused | |
|---|---|---|
| Overview | ||
| Rating | 4.3 (166 reviews) | 4.5 (398 reviews)✓ |
| Pricing model | freemium | freemium |
| Starting price | Free tier available | Free tier available |
| Best for | Developers building apps that send transactional and marketing email at scale via API | SaaS developers who need the most reliable transactional email delivery for password resets and notifications |
| Tags | ||
| Tags | free tierapi access | free tierapi access |
| Visit SendGrid → | Visit Postmark → | |
SendGrid
Pros
- + Industry-standard email API
- + High volume sending — millions per day
- + 100 free emails/day forever
Cons
- - Customer support can be slow
- - Account suspension risk if complaint rates high
Postmark
Pros
- + Best transactional email delivery rates
- + Detailed bounce and delivery analytics
- + Focus on transactional — no deliverability conflicts with marketing email
Cons
- - More expensive than SendGrid at volume
- - Transactional only — no marketing email
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