Postmark Pricing 2026
Complete pricing guide with plans, hidden costs, and cost analysis
Postmark has a free plan. Paid plans start at $15/month (Basic) and go up to $18/month.
Postmark costs Free to $18 per month as of April 2026, with 4 plans available including a free tier. Plans: Free (free), Basic at $15/month, Pro at $16.5/month, and Platform at $18/month. Pricing depends on your chosen tier, contract length, and negotiated discounts.
Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.
- Free tier: Yes
Postmark offers 4 pricing tiers: Free, Basic, Pro, Platform. A free plan is available. Paid plans include Basic at $15/month, Pro at $16.5/month, Platform at $18/month. The Basic plan is solo developers and smaller teams.
Compared to other email api & delivery software, Postmark is positioned at the budget-friendly price point.
- Median contract: $198/yr from 0 purchases
- Average negotiated discount: 92%
- 5 documented hidden costs beyond list price
- Contracts auto-renew
How much does Postmark cost?
Postmark Pricing Overview
Postmark has 4 pricing plans, including a free tier. Paid plans range from $0 to $18/month. The Free plan is free and is best for testing and side projects. The Basic plan costs $15/month, best for solo developers and smaller teams. The Pro plan costs $16.50/month, best for startups and small businesses. The Platform plan costs $18/month, best for agencies and larger teams.
Postmark contracts auto-renew, with a Monthly minimum commitment.
The median Postmark customer pays $198/year, with an average 92% discount available through negotiation.
There are at least 5 documented hidden costs beyond Postmark's list price, including implementation, training, and add-on fees.
This pricing was last verified in March 28, 2026 from 2 independent sources.
Postmark pricing starts at $0/month for the Free plan. For production use, the Basic plan runs $15/month, the Pro plan costs $16.50/month, and the Platform plan is $18/month. All plans bill monthly with no annual payment option available.
How Postmark Pricing Compares
Compare Postmark pricing against top alternatives in Email API & Delivery.
All Postmark Plans & Pricing
| Plan | Monthly | Annual | Best For |
|---|---|---|---|
| Free emailsPerMonth: 100noOverages: true | Free | Free | Testing and side projects |
| Basic | $15 /month | $15 /year | Solo developers and smaller teams |
| Pro | $16.5 /month | $16.5 /year | Startups and small businesses |
| Platform | $18 /month | $18 /year | Agencies and larger teams |
View all features by plan
Free
- 100 emails/month
- 45-day data retention
Basic
- 5 custom domains
- Unlimited emails/day
- 45-day retention
- Analytics
Pro
- 10 custom domains
- Unlimited emails/day
- 365-day retention
- Inbound processing
- Analytics
Platform
- Unlimited custom domains
- Unlimited emails/day
- 365-day retention
- Inbound processing
- Analytics
Compare Postmark vs Alternatives
Before committing to Postmark, compare pricing with these 2 alternatives in the same category.
What Companies Actually Pay for Postmark
The median Postmark buyer pays $198/year based on 0 verified purchase transactions, with an average 92% savings through negotiation.
with negotiation
Postmark Year 1 Total Cost by Company Size
Real deployment costs including licenses, implementation, training, and admin — not just the sticker price.
Free tier for prototyping
10K transactional emails/month
100K emails/month
How Postmark Pricing Compares
| Software | Starting Price | Top Price |
|---|---|---|
| Postmark | Free | $18/month |
| Amazon SES | Free | $1600/1000 emails |
| SendGrid | Free | $89.95/month |
Postmark Contract Terms
Postmark contracts auto-renew. Changes require advance notice. These terms are sourced from verified buyer experiences.
Postmark Pricing FAQ
01 How much does Postmark cost?
Postmark starts free (100 emails/month), then $15/month for 10K emails. Cost per 1,000 emails drops from $1.50 at 10K to $0.51 at 1.5M volume.
02 Is Postmark cheaper than SendGrid?
At lower volumes, they're similar. At higher volumes, Postmark can be cheaper per email, but SendGrid includes dedicated IPs at Pro tier while Postmark charges $50/month extra.
03 Does Postmark offer annual billing?
No, Postmark only offers monthly billing. There is no annual payment option available, which means you cannot prepay for a year to receive a discount.
04 What are Postmark's spam complaint policies?
Postmark requires maintaining less than 1 spam complaint per 1,000 emails sent, which is stricter than Google's standard of 3 complaints per 1,000. They also count multiple spam complaints per letter. Exceeding this threshold can result in account suspension.
05 What happens if my Postmark account gets suspended?
Account suspensions affect both broadcast and transactional emails simultaneously, which can break your application for paying customers. Support is email-only with no phone or live chat, and resolution can take days or weeks. Credits used during debugging are not refunded.
06 How long does Postmark account approval take?
While Postmark promises 24-hour account review, users report waiting days or weeks for approval. Reviews only happen Monday-Friday during business hours, and you may need to provide beta site access, screenshots, and detailed documentation of your email opt-in process.
07 What support options does Postmark provide?
Postmark only offers email ticket support. There is no phone number or live chat available. Response times can be slow, particularly since the ActiveCampaign acquisition.
08 Do Postmark credits roll over?
No, unused email credits expire at the end of each month and do not roll over to the next billing period.
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