MailerSend
Email and SMS delivery service designed for developers
- Vendor
- MailerSend, Inc.
- Also known as
- mailersend
Available worldwide · Popular in: US, GB
What is MailerSend?
A 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
MailerSend pricing
Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.
From $7/month. Free tier with 500 emails/month. 14-day free Professional trial.
Free
FreeFor personal projects and testing
- emails
- 500/month
- Email API and SMTP relay
- Email threading support
- Drag-and-drop email builder
- 1,000 API requests per day
- 1 domain
- 10 templates
Hobby
For personal projects and side projects
- sms
- 100/month
- emails
- 500/month
- Everything in Free, plus
- User roles and permissions
- 24-hour data retention
- 10 templates
- 1-day activity log retention
- 1,000 API requests per day
Starter
For growing startups and small businesses
- Everything in Hobby, plus
- 50 sender identities
- Inbound routing
- SMS API (US and Canada)
- 5 users
- 250 templates
- 7-day activity retention
- 100,000 API requests per day
Professional
For agencies and white-label resellers sending at scale
- Everything in Starter, plus
- 1,000 domains
- Unlimited templates
- High-throughput API
- Unlimited users
- 30-day activity retention
- 500,000 API requests per day
Add-ons
- WhatsApp messaging
- Email verification credits
- Domain spaces$4/mo
- Phone numbers (SMS)$2/mo
- DMARC domain monitoring$5/mo
What MailerSend does
The capabilities that matter for communication apis, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- SMS
- ✓
- Voice
- -
- ✓
- RCS
- -
- Transactional email
- ✓
- Video / real-time
- -
- In-app chat
- -
- Verify / OTP / 2FA
- ✓
- Two-way messaging
- ✓
- Geographic coverage
- Regional
- Email deliverability tools
- ✓
- Published per-unit pricing
- ✓
Platform & deployment
Independently observed- CLI
- Web
- Cloud / SaaS
Integrations (33)
Independently observed- Zapier
- Supabase
- Firebase
- Symfony
- Slack
- 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
- Relay.app
- Tabular
- VSCode
- WHMCS
- WooCommerce
- WordPress
Security & compliance
Independently observed- ISO 27001active
MailerSend FAQ
Common questions about MailerSend, answered from independent, dated evidence.
What is MailerSend?
Transactional messaging service for reliably delivering emails, text messages, and WhatsApp communications via API or SMTP integration. It is indexed under Communication APIs.
Is MailerSend free?
MailerSend offers a free tier, so you can start without paying. Paid plans start at $0.90. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.
What platforms does MailerSend support?
MailerSend supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Can MailerSend be self-hosted?
We have only confirmed a cloud / SaaS deployment for MailerSend, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.
What does MailerSend integrate with?
We have confirmed 33 integrations for MailerSend, including Zapier, Supabase, Firebase, Symfony, Slack, Laravel, Airbyte and Airtable, plus 25 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.
What security certifications does MailerSend have?
We have independently confirmed ISO 27001 and GDPR for MailerSend. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as MailerSend not holding them. Always confirm compliance directly before you rely on it.
Where is MailerSend available?
MailerSend is available worldwide. Its primary markets are the United States and the United Kingdom. The vendor is headquartered in the United States.
MailerSend alternatives
Other communication apis we track, ranked by the same independent score.
- NovuOpen-source platform for sending notifications and enabling agent conversations across email, SMS, chat, push, and in-app messagingmedium · 73%
- DailyLow-latency infrastructure for building real-time voice, video, and AI conversationsmedium · 71%
- StreamUnified platform for building real-time communication and community featuresmedium · 74%
- PlivoAI voice agents and omnichannel communications platform with usage-based pricinghigh · 75%
- SinchAPIs for SMS, voice, email, video, and verificationmedium · 72%
- InfobipConnect with customers across multiple messaging and communication platformslow · 48%
Compare MailerSend
Side by side against other communication apis, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for MailerSend, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Reliability | 75 | 0.16 | 11.8 | ✓ |
| Pricing transparency | 100 | 0.06 | 6.3 | ✓ |
| Security posture | 45 | 0.12 | 5.2 | ✓ |
| Capabilities | 87 | 0.05 | 4.4 | ✓ |
| Integrations | 44 | 0.05 | 2.2 | ✓ |
| Price level | 0 | 0.04 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 7 items | mediumsource · 2026-09-10 · 62% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Sms: Yes · Email: Yes · Two way: Yes · Whatsapp: Yes · Verify otp: Yes · Global coverage: regional | mediumsource · 2026-09-18 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 33 | mediumsource · 2026-09-03 · 60% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | HqCountry: US · PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-09-03 · 75% |
Pricing
Reliability
Security
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