MailerSend vs Sumsub Comparison
Detailed comparison of features, pricing, and capabilities
Last updated April 4, 2026
Overview
Compare key metrics and features at a glance
MailerSend
https://www.mailersend.com
MailerSend is a transactional email service provider that offers a complete email delivery infrastructure. The platform provides features like email API, drag & drop email builder, templating system, detailed analytics, and advanced email validation. It focuses on delivering high deliverability rates and comprehensive tools for managing and tracking email campaigns.
Sumsub
https://sumsub.com
Sumsub is an identity verification platform that provides KYC/AML compliance solutions for businesses worldwide. The platform offers automated identity verification, document validation, face authentication, and fraud prevention through AI-powered technology. Their solution helps companies onboard customers safely while meeting regulatory requirements across different jurisdictions.
Quick Comparison
| Detail | MailerSend | Sumsub |
|---|---|---|
| Category | Email Marketing | Identity Verification |
| Starting Price | Free | $1000/mo |
| Plans Available | 5 | 1 |
| Features Tracked | 15 | 1 |
| Founded | 2020 | 2015 |
| Headquarters | Vilnius, Lithuania | London, United Kingdom |
Features
Detailed feature-by-feature comparison
Feature Comparison
| Feature | | |
|---|---|---|
| api | ||
| RESTful Email API | ||
| SMTP Relay | ||
| Webhooks | ||
| compliance | ||
| AML Screening | ||
| core | ||
| Activity Logs | ||
| Advanced Analytics | ||
| Dynamic Templates | ||
| Email Verification | Add-on | |
| Inbound Routing | ||
| Multiple Domains | ||
| Suppression Lists | ||
| Transactional SMS | Add-on | |
| custom | ||
| Drag & Drop Builder | ||
| Email Surveys | ||
| security | ||
| API Tokens | ||
| support | ||
| User Management | ||
Pricing
Compare pricing plans and value for money
MailerSend
From $0/mo
Price Components
- emails: $0/email (500 included)
- email_verification_credits: $0/credit (10 included)
- base_fee: $7/month
- emails: $0/email (5000 included)
- extra_emails: $0.0012/email
Best For
Developers and startups needing reliable transactional email API, SMTP relay, and verification on a budget-friendly free or $7-30/month plan.
Sumsub
From $1000/mo
Price Components
- base_subscription: $1000/month (1000 included)
- additional_verification: $1.5/verification
Best For
High-growth crypto exchanges, neobanks, and global fintechs needing robust KYC/AML with top-tier fraud detection against sophisticated AI-driven threats.
Integrations
See which third-party services are supported
Supported Integrations
Coming Soon
Integration comparison data for MailerSend, Sumsub is being collected and will be available soon.
Strengths & Limitations
Key strengths and limitations of each service
MailerSend
Developers and startups needing reliable transactional email API, SMTP relay, and verification on a budget-friendly free or $7-30/month plan.
- Free plan with 3,000 emails supports testing and small projects unlike paid-only competitors.
- RESTful API, SMTP relay, and webhooks enable seamless developer integration with multi-language SDKs.
- Inbound routing and email verification protect reputation while parsing replies for support workflows.
- Drag & drop builder plus dynamic Twig templates offer no-code and advanced personalization options.
- Transactional focus lacks full marketing automation for complex campaigns.
- Professional plan at $30/month limits scale without custom enterprise upgrades.
- Small team of 11-50 may slow feature rollouts versus larger competitors.
Sumsub
High-growth crypto exchanges, neobanks, and global fintechs needing robust KYC/AML with top-tier fraud detection against sophisticated AI-driven threats.
- Leading verification provider for crypto, powering 8 out of 10 top global exchanges with superior accuracy over speed.
- AI-powered platform analyzes 4M+ fraud attempts, reporting 180% rise in sophisticated multi-step attacks for proactive defense.
- Real-time AML screening ensures global regulatory compliance across jurisdictions for neobanks and mobility apps.
- Professional plan at $1000/month delivers advanced verification, document validation, and face authentication tailored for high-stakes onboarding.
- Professional plan starts at $1000/month, potentially too costly for startups or low-volume businesses.
- Pricing details limited to one high-tier plan, lacking transparency for basic or scaled needs.
- UK HQ may complicate data residency for businesses needing strict local compliance in certain regions.
Company Info
Company details and background
MailerSend
Sumsub
Comparison FAQ
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