Postmark price (October 2026) and how to cancel

Updated · CostToCancel
Applies to: Postmark Free, Basic, Pro and Platform transactional email plans in the US bought on postmarkapp.com.
Go to Postmark cancel / account page →Opens the official site in a new tab. Not affiliated.

In the US (as of 2026-10-18), Postmark pricing lists Basic at $15/month, Pro at $16.50/month, and Platform at $18/month starting at 10,000 emails/month, with overages per 1k. Free allows 100 emails/month. Cancel in Account → Plans & Billing (Postmark Support).

Unused emails do not roll over. Uninstalling SDKs does not cancel.

Account admin required.

Who bills you

Who bills youWhere to cancelOfficial help
Postmark accountPlans & Billing / Add-ons → CancelPostmark pricing
Dedicated IPs (high volume) and DMARC monitoring are separate add-ons.

Current prices

PlanPrice (US)What you get
Free$0100 emails/mo
Basic$15/mo10k emails
Pro$16.50/mo10k + inbound
Platform$18/mo10k unlimited users
OveragesFrom ~$1.20–$1.80/1kBy plan
Basic/Pro/Platform dollars verified October 18, 2026 on postmarkapp.com/pricing.

How to cancel Postmark

In Plans & Billing

  1. Sign in at account.postmarkapp.com.
  2. Open Plans & Billing.
  3. Cancel / downgrade to Free and confirm.
  4. Rotate API tokens if closing the account.

How to confirm it worked

You're done when:

  • Plan shows Free / canceled.
  • No new Postmark charge posts after that.

Source: Postmark Support / Plans & Billing.

Common problems

  • Only rotated one server token. Plan renews.
  • Left DMARC/IP add-ons on. Extra fees possible.
  • Non-admin tried to cancel. Need permissions.
  • Only deleted the SDK. Billing continues.

What we checked

Verified on official Postmark pages (October 18, 2026): dollars on pricing.

Basic vs Pro

Pro adds inbound processing and longer retention options.

After cancel

SMTP/API sends stop when the plan ends.

Frequently asked questions

How much is Postmark Basic?

$15/mo for 10k emails.

How do I cancel?

Plans & Billing → Cancel.

Does uninstalling the SDK cancel it?

No.

Do unused emails roll over?

No.

Sources checked: Postmark pricing, Postmark Support. Verified October 2026.