Mailgun vs Sumsub Comparison
Detailed comparison of features, pricing, and capabilities
Last updated April 4, 2026
Overview
Compare key metrics and features at a glance
Mailgun
https://www.mailgun.com
Mailgun is a transactional email API service that enables developers to send, receive, and track emails through their applications using RESTful APIs. The service provides powerful email validation, tracking, and analytics features, along with SMTP integration and detailed logs for debugging. Mailgun specializes in handling large volumes of automated emails including notifications, confirmations, and marketing communications.
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 | Mailgun | Sumsub |
|---|---|---|
| Category | Email Marketing | Identity Verification |
| Starting Price | Free | $1000/mo |
| Plans Available | 5 | 1 |
| Features Tracked | 16 | 1 |
| Founded | 2010 | 2015 |
| Headquarters | San Francisco, USA | London, United Kingdom |
Features
Detailed feature-by-feature comparison
Feature Comparison
| Feature | | |
|---|---|---|
| api | ||
| RESTful Email APIs | ||
| compliance | ||
| AML Screening | ||
| Suppression Lists | ||
| core | ||
| Bounce Classification | ||
| Email Template Builder | ||
| Email Validation API | ||
| Inbound Routing | ||
| Inbox Placement | ||
| List Segmentation | ||
| Rapid Fire | ||
| SMTP Relay | ||
| Send Time Optimization | ||
| Tracking & Analytics | ||
| custom | ||
| Custom Sending Domains | ||
| Dedicated IPs | Add-on | |
| integration | ||
| Email Parsing | ||
| security | ||
| Authentication Protocols | ||
Pricing
Compare pricing plans and value for money
Mailgun
From $0/mo
Price Components
- base_fee: $0/month
- emails: $0/email (100 included)
- base_fee: $15/month
- emails: $0/email (10000 included)
- overage_emails: $0.0018/email
Best For
Developers and apps needing reliable, high-volume transactional email APIs with validation and tracking, not broad marketing campaigns.
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 Mailgun, Sumsub is being collected and will be available soon.
Strengths & Limitations
Key strengths and limitations of each service
Mailgun
Developers and apps needing reliable, high-volume transactional email APIs with validation and tracking, not broad marketing campaigns.
- Developer-centric RESTful APIs and SMTP relay excel for high-volume transactional emails, unlike marketing-focused ESPs like Mailchimp.
- Email Validation API and Inbox Placement reduce bounces and optimize deliverability, key in a growing market.
- Rapid Fire enables burst sending for millions of emails on Scale+ plans, ideal for time-sensitive notifications.
- Flexible overage fees prevent hard caps, supporting seamless scaling from $15/mo Basic plan.
- Holds only 0.22% market share, ranking #27, trailing leaders like Mailchimp and SendGrid.
- Lacks drag-and-drop editors and audience automation of full marketing platforms like HubSpot.
- Higher tiers like Scale at $90/mo required for SSO and dedicated IPs, pricier for advanced needs.
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
Mailgun
Sumsub
Comparison FAQ
Common questions about comparing Mailgun and Sumsub
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