Postmark vs Resend
Default scenario: At 1M emails / month, estimated bills are $7,800/yr for Resend and $9,300/yr for Postmark. That’s a $1,500 difference before accounting for different features or operating costs.
The services may differ in features, performance, support and the work you need to do yourself. Read the notes and test what matters to your setup.
Your selected usage
1M emails / month
- Postmark: $9,300/yr estimated
- Resend: $7,800/yr estimated
Estimated costs at different usage levels
| Usage | Postmark | Resend |
|---|---|---|
| 50k50K emails / month | $660/yrBasic 50k · $1.8 per 1k over 50k | $240/yrPro 50k · $0.9 per 1k over 50k |
| 1M1M emails / month | $9,300/yrBasic 1.5M · $1.7 per 1k over 1500k | $7,800/yrScale 1M · $0.65 per 1k over 1000k |
| 20M20M emails / month | $266,460/yrPlatform 1.5M · $1.15 per 1k over 1500k | $110,400/yrScale 2.5M · $0.46 per 1k over 2500k |
Dedicated IPs, extra log retention and marketing-email features are extra on most vendors. Try your own numbers against all transactional email providers.
Side by side
| Postmark | Resend | |
|---|---|---|
| What it is | Transactional-focused email API from ActiveCampaign with separate message streams; US-hosted, no EU region. | Developer-focused email API with React Email integration; sending from US, EU, SA or JP regions, account data stored in the US. |
| Headquarters | 🇺🇸 United States | 🇺🇸 United States |
| Parent jurisdiction | 🇺🇸 United States (ActiveCampaign) | 🇺🇸 United States |
| EU self-serve plan | No / not documented | No / not documented |
| GDPR DPA | Yes | Yes |
| Billing | subscription | subscription |
| Free tier | Developer plan: 100 emails/month, no overages. | 3,000 emails/month, capped at 100/day, 1 domain. |
| Open source | No | No |
| Source last checked | 2026-10-06 | 2026-10-06 |
| Pricing evidence | Published rates | Published rates |
Which should you choose?
Resend has the lower estimated bill at every usage level we tested, from 100K emails / month to 100M emails / month.
Choose Postmark if…
Our data shows no advantage on price, residency, jurisdiction or licensing. Compare features in the notes below.
Choose Resend if…
- it has the lower estimated bill at 50k, 1M and 20M usage
Based on estimated list-price bills and the facts above. Features, performance and support aren’t scored.
Postmark pricing
Calculated from the listed vendor rates; exclusions still apply.
| Plan | Base fee / month | 1k additional emails |
|---|---|---|
| Developer (free) | $0 | $0 |
| Basic 10k | $15 | $1.8 |
| Basic 50k | $55 | $1.8 |
| Basic 125k | $115 | $1.8 |
| Basic 300k | $245 | $1.7 |
| Basic 700k | $455 | $1.7 |
| Basic 1.5M | $775 | $1.7 |
| Pro 10k | $16.5 | $1.3 |
| Pro 50k | $60.5 | $1.3 |
| Pro 125k | $126.5 | $1.3 |
| Pro 300k | $269.5 | $1.25 |
| Pro 700k | $500.5 | $1.25 |
| Pro 1.5M | $852.5 | $1.2 |
| Platform 10k | $18 | $1.2 |
| Platform 50k | $66 | $1.2 |
| Platform 125k | $138 | $1.2 |
| Platform 300k | $294 | $1.15 |
| Platform 700k | $546 | $1.15 |
| Platform 1.5M | $930 | $1.15 |
Volume tiers from the pricing-page slider (10k, 50k, 125k, 300k, 700k, 1.5M): Basic $15/$55/$115/$245/$455/$775 with $1.80 overage per 1k ($1.70 from 300k); Pro $16.50 to $852.50 ($1.30 to $1.20 overage); Platform $18 to $930 ($1.20 to $1.15). Basic is the cheapest at every volume; Pro and Platform add features. Higher volumes: contact sales. Dedicated IPs from $50/month per IP, require 300k+ emails/month on Pro or higher. Wildbit's Postmark was acquired by ActiveCampaign (Chicago) in 2022; data hosted in the US. DPA available.
Postmark plan limits, full rates and cheaper alternatives · official pricing page
Resend pricing
Calculated from the listed vendor rates; exclusions still apply.
| Plan | Base fee / month | 1k additional emails |
|---|---|---|
| Free | $0 | $0 |
| Pro 50k | $20 | $0.9 |
| Pro 100k | $35 | $0.9 |
| Scale 100k | $90 | $0.9 |
| Scale 200k | $160 | $0.8 |
| Scale 500k | $350 | $0.7 |
| Scale 1M | $650 | $0.65 |
| Scale 1.5M | $825 | $0.52 |
| Scale 2.5M | $1,150 | $0.46 |
Transactional plans: Pro $20 (50k) or $35 (100k) with $0.90/1k overage; Scale $90 (100k), $160 (200k, $0.80 overage), $350 (500k, $0.70), $650 (1M, $0.65), $825 (1.5M, $0.52), $1,150 (2.5M, $0.46); Enterprise custom. Dedicated IP add-on $30/month for Scale customers sending 3k+ emails/day. Sending region eu-west-1 (Ireland) is available, but Resend's docs say account data, logs and metadata are stored in the US, so not counted as EU data residency. DPA offered on its GDPR page.
Resend plan limits, full rates and cheaper alternatives · official pricing page
Frequently asked questions
Is Postmark cheaper than Resend?
Resend has the lower estimated bill at every usage level we tested, from 100K emails / month to 100M emails / month. At 1M emails / month, the estimates are $9,300/yr for Postmark and $7,800/yr for Resend. Estimates use list prices and leave out features, support and operating costs.
Do Postmark and Resend offer EU data residency?
Neither documents EU data residency on a self-serve plan.
Do Postmark and Resend have a free tier or trial?
Postmark: Developer plan: 100 emails/month, no overages. Resend: 3,000 emails/month, capped at 100/day, 1 domain.
Where are Postmark and Resend based?
Postmark is headquartered in the United States and owned by ActiveCampaign (the United States). Resend is headquartered in the United States.