Sendgrid
Delivering your transactional and marketing emails through the world's largest cloud-based email delivery platform. Send with confidence.
API COMPARISON
Sendgrid vs Mailgun
Compare the integration details. Open the source when you need the full picture.
Mailgun
Mailgun is a tool with powerful APIs that allow you to send, receive, track and store email effortlessly.
Integration at a glance
Missing data is not evidence of missing support.
| Integration detail | Sendgrid | Mailgun |
|---|---|---|
| Access & documentation | ||
| Developer documentation | View developer documentation for Sendgrid | View developer documentation for Mailgun |
| API reference | View api reference for Sendgrid | View api reference for Mailgun |
| Authentication | API KeyAPI key authentication | API Key, Basic AuthAPI key via HTTP Basic Auth |
| Build & test | ||
| OpenAPI specification | View openapi specification for Sendgrid | Listed |
| GraphQL | Not recorded as supported | Not recorded as supported |
| Webhooks | View webhooks for Sendgrid | View webhooks for Mailgun |
| Sandbox / test mode | View sandbox / test mode for Sendgrid | View sandbox / test mode for Mailgun |
| SDK languages listed | Node.js, Python, Ruby, PHP, Java, .NET, Go | Node.js, Python, Ruby, PHP, Java, Go |
| Operate & maintain | ||
| Changelog | View changelog for Sendgrid | View changelog for Mailgun |
| Service status | View service status for Sendgrid | View service status for Mailgun |
| Website | View website for Sendgrid | View website for Mailgun |
| Pricing & limits | ||
| Pricing | View pricing for SendgridEmail API: Essentials starting at $19.95/mo, Pro starting at $89.95/mo, Premier custom pricing; price depends on monthly email volume | View pricing for MailgunFree $0/mo; Basic from $15/mo (10,000 emails/mo); Foundation $35/mo; Scale $90/mo; Enterprise via sales |
| Free tier | No free plan since May 2025; free trial of 100 emails/day for 60 days | 100 emails per day, 1 custom sending domain, 2 API keys, 1 day log retention, 1 inbound route |
| Rate limits | View rate limits for SendgridEach v3 Web API endpoint permits a fixed number of requests per refresh period, reported in X-RateLimit headers; 429 when exceeded | View rate limits for MailgunLimits vary by API; windows reported via X-RateLimit-* headers, 429 when exceeded; contact support to adjust |
| Data regions | View data regions for SendgridGlobal and EU region options; EU data residency needs an EU subuser, an EU dedicated IP (Pro or Premier) and api.eu.sendgrid.com | View data regions for MailgunUS and EU regions from one account; region chosen per sending domain, message data stays in that region |
Sources & freshness
Catalog data and editorial records can change. Confirm current capabilities and commercial terms with each provider.
Sendgrid
Editorial record dated · Pricing and limits checked
- docs.sendgrid.com ↗
- github.com/sendgrid ↗
- www.twilio.com/en-us/products/email-api/pricing ↗
- www.twilio.com/en-us/products/email-api ↗
- www.twilio.com/en-us/changelog/sendgrid-free-plan ↗
- www.twilio.com/docs/sendgrid/api-reference/how-to-use-the-sendgrid-v3-api/rate-limits ↗
- www.twilio.com/docs/sendgrid/data-residency/migrate-subusers ↗
- www.twilio.com/docs/sendgrid/data-residency/faq ↗
- www.twilio.com/docs/sendgrid/data-residency/locations-eu ↗
Mailgun
Editorial record dated · Pricing and limits checked
Before you choose
How do Sendgrid and Mailgun price their APIs?
Sendgrid: Email API: Essentials starting at $19.95/mo, Pro starting at $89.95/mo, Premier custom pricing; price depends on monthly email volume. Mailgun: Free $0/mo; Basic from $15/mo (10,000 emails/mo); Foundation $35/mo; Scale $90/mo; Enterprise via sales. As listed on each provider's pricing page when checked on 2026-10-20; confirm current prices before choosing.
How should I compare Sendgrid and Mailgun?
Start with the operations your application needs, then check authentication, SDKs, webhooks and a sandbox. Validate current pricing, limits and regional availability in the provider documentation before choosing.
Does an empty field mean a feature is unsupported?
No. “Not recorded” means this comparison does not establish the capability. Catalog records can be incomplete or outdated. Follow the linked provider documentation to confirm current support.