MailerSend vs Postmark
On the evidence we track, MailerSend leads this comparison with a composite score of 67/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for communication apis. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
MailerSend
LeaderA cloud messaging platform that enables developers to send transactional emails and text messages through an API, with built-in tools for managing delivery and tracking engagement
Postmark
Postmark is a transactional email service that connects with popular CMS platforms, marketing automation tools, forms providers, and business applications to send reliable emails across your workflows.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
MailerSend
LeaderFrom $7/month. Free tier with 500 emails/month. 14-day free Professional trial.
- FreeFree
- Email API and SMTP relay
- Email threading support
- Drag-and-drop email builder
- 1,000 API requests per day
- 1 domain
- +1 more
- Hobby$7/month
- Everything in Free, plus
- User roles and permissions
- 24-hour data retention
- 10 templates
- 1-day activity log retention
- +1 more
- Starter-
- Everything in Hobby, plus
- 50 sender identities
- Inbound routing
- SMS API (US and Canada)
- 5 users
- +3 more
- Professional$25/month + $0.90 per 1,000 additional emails
- Everything in Starter, plus
- 1,000 domains
- Unlimited templates
- High-throughput API
- Unlimited users
- +2 more
Postmark
From $15/mo. Free tier with 100 emails/month. Pay-as-you-go overages starting at $1.80 per 1,000 emails.
- FreeFree
- 100 emails/month
- REST API
- SMTP
- Transactional email
- Sandbox Mode
- +3 more
- Basic$15/mo + $1.80 per 1,000 overage emails
- 10,000+ emails/month
- Industry-leading deliverability
- 45-day retention
- 5 custom domains
- Unlimited emails/day
- +3 more
- Pro$16.50/mo + $1.30 per 1,000 overage emails
- 10,000+ emails/month
- Industry-leading deliverability
- Customizable retention up to 365 days
- 10 custom domains
- Unlimited emails/day
- +5 more
- Platform$18/mo + $1.20 per 1,000 overage emails
- 10,000+ emails/month
- Industry-leading deliverability
- Customizable retention up to 365 days
- Unlimited custom domains
- Unlimited emails/day
- +5 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- Zapier
- Supabase
- Slack
- Tabular
- WordPress
MailerSend
Leader- Firebase
- Symfony
- Laravel
- Airbyte
- Airtable
- Anymail
- ChatGPT
- Claude
- Courier
- Cursor
- Django
- Google Cloud
- Integrately
- Knock
- Magento
- Mailster
- Make
- NocoDB
- Novu
- Pabbly Connect
- Partnero
- Pipedream
- Rails
- React Email
- +4 more
Postmark
- Mailcoach
- Datadog
- Craft CMS
- Customer.io
- ActiveCampaign
- Bubble
- Figma
- Google Sheets
- Gravity Forms
- Gravity SMTP for WordPress
- Netlify
- Stripe
- Stripo
- Typeform
- WP Mail SMTP
- SureTriggers
- Marka Email Generator
MailerSend or Postmark: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.