Send email
Postmark
Email delivery service with REST API, SMTP, webhooks and inbound parsing for transactional and broadcast email.
Billing
- Pricing model
- Monthly plan priced by email volume tier (emails sent and received), plus a per-1,000 rate for emails over the tier1
- Free tier
- 100 emails a month, no overages allowed, does not expire1
- Card required for free tier
- No2
- Minimum spend
- $15.00 a month on the lowest paid tier (Basic, 10,000 emails); no tier between 100 and 10,000 emails1
- Billing period
- Monthly; overages are added to the next month's bill; unused emails do not roll over1
- Billing period (other page)
- Unused emails expire at the end of the month20
Prices
Effective $ per 1,000 = Basic monthly price divided by monthly volume times 1,000, for example $15.00 / 10,000 x 1,000 = $1.50. Free plan is $0 at 100 emails a month.
| Monthly volume (emails) | Basic, $ per month | Pro, $ per month | Platform, $ per month | Basic, effective $ per 1,000 |
|---|---|---|---|---|
| 10,000 | $15.00 | $16.50 | $18.00 | $1.50 |
| 50,000 | $55.00 | $60.50 | $66.00 | $1.10 |
| 125,000 | $115.00 | $126.50 | $138.00 | $0.92 |
| 300,000 | $245.00 | $269.50 | $294.00 | $0.82 |
| 700,000 | $455.00 | $500.50 | $546.00 | $0.65 |
| 1,500,000 | $775.00 | $852.50 | $930.00 | $0.52 |
Source1Pricing (text version)
Overage rates
| Monthly volume tier | Basic, $ per 1,000 | Pro, $ per 1,000 | Platform, $ per 1,000 |
|---|---|---|---|
| 10,000 to 125,000 | 1.80 | 1.30 | 1.20 |
| 300,000 to 700,000 | 1.70 | 1.25 | 1.15 |
| 1,500,000 | 1.70 | 1.20 | 1.15 |
Source1Pricing (text version)
Plans
| Plan | Included for | Sending domains | Default retention |
|---|---|---|---|
| Free | 100 emails a month | Not stated | Not stated |
| Basic | Solo developers and smaller teams | 5 | 45 days |
| Pro | Start-ups and small businesses | 10 | 45 days, up to 365 days |
| Platform | Agencies and larger teams | Unlimited | 45 days, up to 365 days |
Source1Pricing (text version)
Other charges
- Dedicated IP
- $50 a month per IP, Pro plans or higher, senders of 300,000+ emails a month1
- Custom activity retention
- $5 a month, Pro plans or higher1
- DMARC monitoring
- $14 a month per domain1
- Volume above 3 million emails a month
- Custom pricing through sales1
- Payment methods
- Visa, MasterCard, American Express, Diners, JCB; no PayPal or purchase orders1
Read from ActiveCampaign’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/send-email/postmark.md