Pricing
Postmark pricing, worked out at real volumes
What Postmark charges, from its own published pricing - the free tier, the entry plan, and the monthly cost at the volumes people actually send. Plus how Sendpository's plans compare, read from our live plans.
In short
Free developer plan: 100 emails a month, no expiry. Basic is $15 a month for 10,000 emails, with overage at $1.80 per 1,000. Sendpository's free plan is larger: 6,000 emails a month (up to 200 a day), against Postmark's 100 a month.What Postmark costs at 10k, 50k and 100k emails
| Emails a month | Postmark, as published |
|---|---|
| 10,000 | $15 a month - Basic includes 10,000. |
| 50,000 | $87 a month at the published Basic rate: $15 plus 40,000 of overage at $1.80 per 1,000. |
| 100,000 | Their published higher tiers price this below the Basic overage rate; check postmarkapp.com/pricing. |
Worked out from Postmark’s published pricing on 2026-09-23 (source, source). Prices change; check their site before you decide.
Postmark’s free tier
| Free allowance | |
|---|---|
| Postmark | 100 a month |
| Sendpository | 6,000 emails a month (up to 200 a day), free forever |
Sendpository's free plan is larger: 6,000 emails a month (up to 200 a day), against Postmark's 100 a month.
How Sendpository’s pricing compares
Sendpository bills in Indian rupees, with GST invoices. Dollar figures are approximate, at the rate stated on the pricing page, so they can sit next to Postmark’s USD prices.
| Plan | Price | Emails a month |
|---|---|---|
| Free | Free | 6,000 (up to 200 a day) |
| Pro | ₹1,649 + GST (about $19) | 70,000 |
| Scale | ₹6,349 + GST (about $72) | 200,000 |
Which to choose
Choose Postmark if: Teams that want a provider with a very long transactional-only reputation and separate message streams for transactional and broadcast mail.
Choose Sendpository if: Apps that also need to receive email with sender verdicts, through the same API they send with.
The full feature-by-feature comparison is on the Postmark alternative page, and the Postmark migration guide maps every field if you switch.
Questions
How much does Postmark cost?
Free developer plan: 100 emails a month, no expiry. Basic is $15 a month for 10,000 emails, with overage at $1.80 per 1,000. Figures are from Postmark's published pricing, checked 2026-09-23.
Does Postmark have a free plan?
Yes: 100 a month, according to Postmark's published pricing (checked 2026-09-23).
What are the alternatives to Postmark?
Resend, Mailgun, Amazon SES and Sendpository are the usual shortlist. Apps that also need to receive email with sender verdicts, through the same API they send with is where Sendpository fits best; teams that want a provider with a very long transactional-only reputation and separate message streams for transactional and broadcast mail.
Other email API pricing
Resend pricing
Free: 3,000 emails a month, capped at 100 a day, one domain. Paid plans start at $20 a month for 50,000 emails.
SendGrid pricing
The permanent free plan was retired in 2025 in favour of a 60-day trial (100 emails a day). Essentials starts at $19.95 a month for up to 100,000 emails.
Mailgun pricing
Free: 100 emails a day, one sending domain. Basic starts at $15 a month for 10,000 emails.
Amazon SES pricing
$0.10 per 1,000 emails sent, and $0.10 per 1,000 received plus charges per 256 KB chunk. New AWS accounts get free-tier credits.
Send your first email in minutes
6,000 emails a month (up to 200 a day), free forever. No card needed.