Loops vs Postmark

Two transactional email providers, compared on price, features and ratings, so you can pick fast.

Loops wins deliverability and developer experiencePostmark wins transactional deliverability

Updated August 2026

At a glanceLoopsPostmark
Entry priceFree$10
Cost per 1k @ 100k$1.26
Free tier4,000/mo100/mo
Drag-and-drop editorYesNo

THE VERDICT

Loops wins on deliverability and developer experience. Postmark wins on transactional deliverability.

Loops starts at Free versus Postmark's $10. Pick based on volume and team, and the scorecard below breaks down where each one leads.

Which should you choose?

Pick Loops

You're a SaaS company wanting lifecycle and transactional email from one developer-friendly tool
You send high volume to a moderate, well-managed contact list
You want fast setup with a clean API and polished editor
You need SOC 2 / ISO 27001 but not dedicated IPs, HIPAA, or inbound routing

Pick Postmark

Postmark is great for agencies, enterprises, startups, and even your side projects.
It is an excellent choice if you want to use servers to separate your email stream.
It is also a great choice if you want a complete self-serve option.

Feature by feature

Winner cells are tinted, green where Loops leads, violet where Postmark does.

capability
Loops
Postmark
Starting paid plan
$49/mo
$15/mo
Cost per 1k @ 100k
$1.26
Pricing model
Subscription
Subscription
Overage
No send overages (sends unlimited on paid plans); cost scales by contact-count tier
$1.20–$1.80 per 1,000 by plan
Dedicated IP
No
Add-on
Deliverability tooling
Yes
Yes
Automated IP warmup
Yes
No
Suppression management
Yes
Yes
SPF / DKIM / DMARC
Yes
Yes
BIMI
Yes
Transactional API
Yes
Yes
Marketing campaigns
Yes
No
SMTP relay
Yes
Yes
Inbound routing
No
Yes
Dynamic templates
Yes
Yes
Batch send
Yes
Yes
Scheduled send
Yes
No
Official SDKs
JavaScript/TypeScript, Go, Ruby, PHP, Nuxt
.NET, Java, Node.js, PHP, Python, Ruby, Rails
Event webhooks
Yes
Yes
Drag-and-drop editor
Yes
No
Custom HTML editor
Yes
Yes
Email validation
Included
No
Log retention
Not publicly documented
45 days
Sandbox / test mode
Yes
Yes
Open / click tracking
Yes
Yes
Analytics dashboard
Yes
Yes
A/B testing
Yes
No
EU data residency
No
No
SOC 2
Yes
No
HIPAA
No
No
GDPR
Yes
Yes
ISO 27001
Yes
No
Support channels
Email/in-app support; docs and AI agent setup
Email, Chat
24/7 support
No
No
Support SLA
No
No

FAQ

Common questions

Loops starts at Free versus Postmark's $10. Because pricing models differ by tier, the cheaper option depends on your monthly volume, so compare the pricing rows in the scorecard above.

Why not both?

Use both behind one API.

Route Loops, Postmark, or both, and switch providers without changing your code. Courier sits in front of every channel.

Pricing, plans and feature availability as of August 2026 and may change. Ratings are aggregated from public review platforms. Postmark is an ActiveCampaign product.