Mailgun
Mailgun, a Sinch company based in San Antonio, Texas, sells transactional email through Mailgun Send: a REST API and SMTP relay with inbound routing, templates and signed webhooks, hosted in a US or an EU region. Paid plans are monthly subscriptions with included volume and per-1,000 overage; the Free plan allows 100 emails per day.
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Strengths, weaknesses and fit
Strengths
- Free forever: 100 emails per day (Transactional email)
- Official MCP server
- Official agent skills published
- Signed webhooks with replay protection
- Restricted API keys with scoped permissions
- Test mode or test credentials documented
- Official SDKs in 6 languages
Weaknesses
- No OAuth 2.0 — API keys only
- Limited channels: Email only
Not a fit if…
- you build a multi-tenant app that acts on customers' own accounts
- you want several channels from one provider
Generated from threshold rules over the dated facts below, not written by hand. Rules with unverified inputs are skipped.
Transactional email: Mailgun Send
checked| Country | Availability | Payment scenarios |
|---|---|---|
| United States | YesOfficial docsMailgun Send pricingAPI overview (base URLs, regions, rate-limit headers) | PartialOfficial docsTemplatesMailgun integrations overview |
| Brazil | YesOfficial docsMailgun Send pricingAPI overview (base URLs, regions, rate-limit headers) | PartialOfficial docsTemplatesMailgun integrations overview |
| Mexico | YesOfficial docsMailgun Send pricingAPI overview (base URLs, regions, rate-limit headers) | PartialOfficial docsTemplatesMailgun integrations overview |
Mailgun pricing
checkedPrices as printed on the vendor's pages, in the vendor's currency. Scenario totals are computed from the listed components; carrier and Meta pass-through fees are shown separately and are not in the totals.
Transactional email
Same prices in United States, Brazil and Mexico.
| Plan | Price | Source |
|---|---|---|
| Free | Free | Official docs checked |
| Basic (10,000 emails) | $15.00 / month | Official docs checked |
| Foundation (50,000 emails) | $35.00 / month | Official docs checked |
| Foundation (100,000 emails) | $75.00 / month | Official docs checked |
| Scale (100,000 emails) | $90.00 / month | Official docs checked |
| Scale (250,000 emails) | $215.00 / month | Official docs checked |
| Scale (500,000 emails) | $400.00 / month | Official docs checked |
| Scale (750,000 emails) | $550.00 / month | Official docs checked |
| Scale (1,000,000 emails) | $700.00 / month | Official docs checked |
| Scale (2,500,000 emails) | $1,250.00 / month | Official docs checked |
| Enterprise | Contact sales | Official docs checked |
- 10,000 emails / month: $15.00 on Basic (10,000 emails)
- 100,000 emails / month: $75.00 on Foundation (100,000 emails)
Transactional email: free access
Free forever: See detailsOfficial docsMailgun Send pricingWhat does the Free plan offer?
Trial: See detailsOfficial docsMailgun Send pricing
30 days · Foundation and Scale: 'Free for 1 month' before the monthly fee; the pricing FAQ calls these 'free 30-day trials' with access to higher-tier features. Basic has no trial. Whether a card is needed to start the trial is not stated.
Developer & AI readiness
checkedWebhook signatures
Signed, with replay protection
Official docs
Agent skills
OfficialOfficial docsBuilt-in AI features
AI inside the product, not an API for building your own.
- AI chatbotNoOfficial docs
- Answers from your knowledge baseNoOfficial docs
- AI APINoOfficial docs
- AI personalizationPartialOfficial docs
- Ready-made AI agentNoOfficial docs
Sources: Mailgun documentation llms.txt · Sending a message with STO (Send Time Optimization) · Mailgun Send pricing · checked
No-code and manual editing
| Workflow builder | NoOfficial docsMailgun documentation llms.txtMailgun integrations overview |
|---|---|
| Template editor | YesOfficial docsTemplatesEmail Templates |
| Chatbot builder | NoOfficial docsMailgun documentation llms.txt |
Works with AI app builders
Server code needed on every builder: YesOfficial docsAPI key management and RBAC API keysConfiguring webhooks
Paying and getting support locally
How customers pay the provider itself — separate from payment scenarios for your buyers.
United States
| Billing methods | credit cardOfficial docsHow can I change my account's credit card?How can I upgrade my account? |
|---|---|
| Local payment methods | NoneOfficial docsHelp Center — Billing section |
| Billing currencies | USD, EUR, GBPOfficial docsMailgun Send pricingMailgun pricing (Portuguese) |
| Local entity / tax invoice | YesOfficial docsSinch Email's Terms of Service |
| Interface languages | enOfficial docsMailgun Send pricing |
| Docs languages | enOfficial docsMailgun documentation llms.txt |
| Support languages | en, esOfficial docsMailgun Help Center locales (Zendesk API)Which resources do I need? |
| Local office | YesOfficial, otherSinch Mailgun – AI & LLM Information Hub |
Brazil
| Billing methods | credit cardOfficial docsHow can I change my account's credit card?How can I upgrade my account? |
|---|---|
| Local payment methods | NoneOfficial docsHelp Center — Billing section |
| Billing currencies | USD, EUR, GBPOfficial docsMailgun Send pricingMailgun pricing (Portuguese) |
| Interface languages | en, pt-BROfficial docsMailgun pricing (Portuguese) |
| Docs languages | enOfficial docsMailgun documentation llms.txt |
| Support languages | en, esOfficial docsMailgun Help Center locales (Zendesk API)Which resources do I need? |
Mexico
| Billing methods | credit cardOfficial docsHow can I change my account's credit card?How can I upgrade my account? |
|---|---|
| Local payment methods | NoneOfficial docsHelp Center — Billing section |
| Billing currencies | USD, EUR, GBPOfficial docsMailgun Send pricingMailgun pricing (Portuguese) |
| Interface languages | en, es-ESOfficial docsMailgun pricing (Spanish) |
| Docs languages | enOfficial docsMailgun documentation llms.txt |
| Support languages | en, esOfficial docsMailgun Help Center locales (Zendesk API)Which resources do I need? |
Compliance & data protection
checkedWhat the vendor documents publicly. This is not a legal assessment and not a certification.
| Data processing agreement | YesOfficial docsSinch Data Processing AgreementSinch Email's Terms of Service |
|---|---|
| Subprocessor list | YesOfficial docsSinch sub-processorsSinch Data Processing Agreement |
| Data residency options | YesOfficial docsAPI overview (base URLs, regions, rate-limit headers)Sinch sub-processors |
| Residency regions | US (default), EU (Google Cloud, Germany and Belgium)Official docsAPI overview (base URLs, regions, rate-limit headers)Sinch sub-processors |
| Transfer mechanisms | EU Standard Contractual Clauses (Decision 2021/914), Modules 2 and 3, UK Addendum to the EU SCCs, EU-U.S. Data Privacy Framework and UK Extension (Mailgun Technologies, Inc.)Official docsSinch Data Processing AgreementSinch Email privacy notice |
| Security documentation | SOC 2 Type II, ISO/IEC 27001, ISO/IEC 27701Official, otherSinch Mailgun's commitment to security and complianceSinch Trust Center (Mailgun) |
| Local law page (BR) | PartialOfficial docsSinch Data Processing Agreement |
How the rating is built
| Criterion | Weight | Result | Basis |
|---|---|---|---|
| Pricing & Free Tier (25) | 76.1 / 100coverage 100 % | ||
| Free access (transactional-email) | 12.50 | 84 % | free forever: 100 emails / daysrcsrc |
| Scenario price (transactional-email) | 10.00 | 60 % | 10,000 emails / month: USD 15.00 vs peer median USD 15.00 (13 providers); 100,000 emails / month: USD 75.00 vs peer median USD 74.85 (13 providers)srcsrc |
| Pricing transparency (transactional-email) | 2.50 | 100 % | public self servesrcsrc |
| Developer & AI Readiness (28) | 72.9 / 100coverage 93 % | ||
| MCP | 7.70 | 89 % | official (local)srcsrcsrc |
| Agent skills | 2.10 | 100 % | officialsrcsrc |
| Llms.txt | 0.70 | 100 % | publishedsrc |
| OpenAPI | 0.70 | 100 % | publishedsrcsrc |
| AI docs | 0.70 | 100 % | publishedsrcsrc |
| Scoped keys | 1.40 | 100 % | yessrcsrcsrc |
| OAuth | 4.48 | 0 % | nosrcsrc |
| Webhook signing | 1.96 | 100 % | signed with replay protectionsrcsrcsrc |
| SDKs | 2.24 | 100 % | 6 official SDK languagessrcsrc |
| Test mode | 2.24 | 100 % | yessrcsrcsrc |
| Idempotency | 1.68 | 0 % | nosrcsrc |
| Reputation & Reviews (25) | 83.5 / 100coverage 100 % | ||
| Review platforms | 25.00 | 84 % | global data: capterra 4.3/5 (197), g2 4.2/5 (322), trustpilot 4.1/5 (1,530) |
| Channel Coverage (10) | 20.0 / 100coverage 100 % | ||
| Channel groups | 10.00 | 20 % | 1 channel groups (native = 1, partner = 0.5)srcsrc |
| Category Functionality (8) | 86.0 / 100coverage 100 % | ||
| SMTP relay (transactional-email) | 0.96 | 100 % | yessrcsrcsrc |
| Inbound parsing (transactional-email) | 0.80 | 100 % | yessrcsrc |
| Templates (transactional-email) | 0.80 | 100 % | yessrcsrc |
| Event webhooks (transactional-email) | 1.12 | 100 % | yessrcsrcsrc |
| Suppression mgmt (transactional-email) | 0.80 | 100 % | yessrcsrcsrc |
| Dedicated IP (transactional-email) | 0.64 | 100 % | yessrcsrc |
| Log retention (transactional-email) | 0.64 | 100 % | yessrcsrc |
| Scheduling (transactional-email) | 0.48 | 100 % | yessrcsrcsrc |
| Attachments (transactional-email) | 0.32 | 100 % | yessrcsrc |
| Payment notifications (transactional-email) | 0.64 | 50 % | partialsrcsrc |
| Native payment-provider integration (transactional-email) | 0.80 | 0 % | nosrc |
| Localization & Regional Support (2) | 100.0 / 100coverage 100 % | ||
| Languages | 2.00 | 100 % | 3 of 3 target languages (en, pt, es)srcsrcsrc |
| Built-in AI Agent & Chatbot Deployment (2) | 0.0 / 100coverage 100 % | ||
| Ready-to-deploy AI agent | 2.00 | 0 % | nosrc |
Weights and rules: rating methodology.
Sources
- About Mailgun — other, checked 23 September 2026
- Sinch Mailgun – AI & LLM Information Hub — other, checked 23 September 2026
- Sinch Email's Terms of Service — legal, checked 23 September 2026
- Sinch Email privacy notice — legal, checked 23 September 2026
- Sinch Data Processing Agreement — legal, checked 23 September 2026
- Sinch sub-processors — legal, checked 23 September 2026
- GDPR compliance and EU data protection — legal, checked 23 September 2026
- Sinch Mailgun's commitment to security and compliance — other, checked 23 September 2026
- Sinch Trust Center (Mailgun) — other, checked 23 September 2026
- Mailgun Send pricing — pricing, checked 24 September 2026
- Mailgun pricing (Portuguese) — pricing, checked 23 September 2026
- Mailgun pricing (Spanish) — pricing, checked 23 September 2026
- What happens if I send more emails than my monthly plan provides? — docs, checked 23 September 2026
- What does the Free plan offer? — docs, checked 24 September 2026
- Where can I find my Mailgun invoices? — docs, checked 23 September 2026
- How can I change my account's credit card? — docs, checked 23 September 2026
- How can I upgrade my account? — docs, checked 23 September 2026
- Help Center — Billing section — docs, checked 23 September 2026
- Which resources do I need? — docs, checked 23 September 2026
- Account Activation — docs, checked 23 September 2026
- Email Templates — docs, checked 23 September 2026
- Mailgun Help Center locales (Zendesk API) — other, checked 23 September 2026
- Mailgun Integration Guide: Replit AI-Powered Email Setup — docs, checked 23 September 2026
- Mailgun Integration Guide: Lovable No-Code Email Setup — docs, checked 23 September 2026
- Mailgun documentation llms.txt — docs, checked 24 September 2026
- API overview (base URLs, regions, rate-limit headers) — docs, checked 23 September 2026
- Authentication — docs, checked 23 September 2026
- API key management and RBAC API keys — docs, checked 23 September 2026
- Mailgun API (OpenAPI 3.1.0 reference) — docs, checked 23 September 2026
- Mailgun API OpenAPI description (download) — docs, checked 24 September 2026
- Developer tools (Postman collection, SDKs, OpenAPI) — docs, checked 23 September 2026
- SDKs — docs, checked 23 September 2026
- Mailgun integrations overview — docs, checked 23 September 2026
- Mailgun MCP Server — docs, checked 24 September 2026
- SMTP relay — docs, checked 23 September 2026
- Routes (receiving) — docs, checked 23 September 2026
- Mailbox API (legacy) — docs, checked 23 September 2026
- Templates — docs, checked 23 September 2026
- Webhooks — docs, checked 23 September 2026
- Configuring webhooks — docs, checked 23 September 2026
- Securing webhooks — docs, checked 24 September 2026
- Webhook retries — docs, checked 23 September 2026
- Introduction to events — docs, checked 23 September 2026
- Event types — docs, checked 23 September 2026
- Sending in test mode — docs, checked 23 September 2026
- Sandbox domain — docs, checked 23 September 2026
- Scheduling delivery — docs, checked 23 September 2026
- Sending a message with STO (Send Time Optimization) — docs, checked 23 September 2026
- Send with attachments — docs, checked 23 September 2026
- FAQ: Getting started / settings — docs, checked 24 September 2026
- Mailgun GitHub organization — repo, checked 23 September 2026
- mailgun/mailgun-mcp-server — repo, checked 24 September 2026
- mailgun on PyPI (official Python SDK) — registry, checked 24 September 2026
- mailgun-mcp-server endpoint allowlist (src/endpoints.ts) — repo, checked 23 September 2026
- mailgun/mailgun-plugins (agentic coding platform integrations) — repo, checked 23 September 2026
- mailgun-plugins shared/skills directory — repo, checked 23 September 2026
- mailgun/mailgun-cli (@mailgun/cli) — repo, checked 23 September 2026
- mailgun/transactional-email-templates — repo, checked 23 September 2026
- Official MCP Registry search for "mailgun" — registry, checked 24 September 2026
- Claude connector directory — Mailgun — marketplace, checked 23 September 2026
- Connect your app to Mailgun (Lovable) — platform-docs, checked 23 September 2026
- Replit Agent integrations — platform-docs, checked 23 September 2026
- Mailgun integration — Vercel Connect — platform-docs, checked 23 September 2026