SendGrid vs Mailgun: Head-to-Head Comparison

Quick Verdict

SendGrid is the better pick for high-volume transactional and marketing email. Mailgun is the better pick for developers needing flexible sending and email validation.

---

At a Glance

Feature	SendGrid	Mailgun
Best For	High-volume transactional and marketing email	Developers needing flexible sending and email validation
Pricing	Paid plans; free trial available	Free tier with paid plans
Free to Start	No	Yes
License	Proprietary	Proprietary
Deployment	Managed cloud	Managed cloud
Link	Visit SendGrid	Visit Mailgun

---

Detailed Breakdown

SendGrid

Email delivery platform by Twilio

Pros:

• Handles very high volume
• Marketing and transactional email in one platform
• Mature APIs

Cons:

• Shared IP deliverability varies
• Support can be slow on lower plans

---

Mailgun

Email API service by Sinch

Pros:

• Powerful routing and inbound parsing
• Email validation API
• Detailed logs

Cons:

• Free tier is limited
• Plan tiers can be confusing

---

Key Differences

• Positioning: SendGrid — email delivery platform by Twilio. Mailgun — email API service by Sinch.
• Both share the same licensing model (proprietary), so the decision comes down to features and workflow fit.
• Mailgun can be started for free, while SendGrid requires a paid plan. SendGrid pricing: paid plans; free trial available.
• Signature strength: SendGrid — handles very high volume. Mailgun — powerful routing and inbound parsing.

---

Frequently Asked Questions

Is SendGrid better than Mailgun?

It depends on your requirements. SendGrid is a strong fit for high-volume transactional and marketing email, while Mailgun suits developers needing flexible sending and email validation.

Is SendGrid free to use?

SendGrid does not have a permanent free plan. Pricing model: Paid plans; free trial available.

Is Mailgun free to use?

Yes, you can start with Mailgun for free. Pricing model: Free tier with paid plans.

Can I self-host SendGrid or Mailgun?

SendGrid is offered as a managed service: managed cloud. Mailgun is offered as a managed service: managed cloud.

What are the main drawbacks of SendGrid and Mailgun?

SendGrid: shared IP deliverability varies; support can be slow on lower plans. Mailgun: free tier is limited; plan tiers can be confusing.