What the evidence answers

A reading of reviewed official documentation for Mailgun and SendGrid. It is not a hands-on test, a ranking or a recommendation of one product.

Price

  • Mailgun From $15/mo
    • Free: no subscription charge
    • Basic: $15.00 monthly
    • Foundation: $35.00 monthly
    • Scale: $90.00 monthly
    • Enterprise: Vendor quotation required
  • SendGrid From $19.95/mo
    • Free Trial: no subscription charge
    • Essentials: $19.95 monthly
    • Pro: $89.95 monthly
    • Premier: Vendor quotation required

Both list prices on the same basis. Compare what each plan includes; the lower amount alone does not make the better choice.

Documented for both

Sending volume
Mailgun Free: 100 emails per dayBasic: 10,000 emails per monthFoundation: 50,000 emails per monthScale: 100,000 emails per month
SendGrid Free Trial: 100 emails per dayEssentials: 50,000 to 100,000 emails a monthPro: 100,000 to 2,500,000 emails a month
Log retention
Mailgun Free: 1 day of logsBasic: 1 day of logsFoundation: 5 days of logsScale: 30 days of logs
SendGrid Free Trial: 3 days of searchable email activityEssentials: 3 days of searchable email activityPro: 7 days of searchable email activityPremier: 7 days of searchable email activity
Webhooks and events
Mailgun Tracking, analytics and webhooks are listed from the Free plan up.
SendGrid Free Trial: 1 event webhookEssentials: 2 event webhooksPro: 5 event webhooksPremier: 5 event webhooks
Dedicated IP
Mailgun Extra dedicated IPs cost USD 59 per IP a month.Foundation: Available from the 50,000-email tier; one IP included from 100,000 emails a monthScale: One dedicated IP included, plus dedicated IP pools
SendGrid Pro and Premier include dedicated IPs; more can be purchased.Pro: 1 dedicated IP includedPremier: 1 dedicated IP included
Support
Mailgun Ticket, chat and phone support depend on the plan.Free: Ticket supportScale: Live phone and chat support
SendGrid Access to expert services and personalized support is listed as available for purchase.
Overage charges
Mailgun Extra emails are billed at the start of each month for the previous month, together with the plan fee.
SendGrid Sending past the plan's allowance may add overage charges on top of the monthly rate; the rate is not published on the pricing page.

Limits to check

  • Mailgun Free and Basic allow 1 custom sending domain and 1 day of logs; Foundation raises this to 1,000 domains and 5 days, and Scale keeps 30 days.
  • SendGrid The only free option is a 60-day trial at 100 emails a day, not a permanent free plan.

Not verified yet

Every compared requirement has evidence for at least one.

Documented for one product only, shown in the table below: Mailgun: sender domains.

Not verified means our reviewed sources do not establish it. It does not mean a product lacks the capability or that it costs nothing.

Next steps

  • Ask SendGrid about sender domains; our sources do not establish it yet.
Documented scope and limits; unverified dimensions remain unknown.
RequirementMailgunSendGrid
Pricing
From $19.95/mo

Compare all 4 plans

Who it is for
Sends application email through an HTTP API or an SMTP endpoint.

Verified Oct 11, 2026 · Mailgun: official product and plan documentation

Email API for application email, priced by monthly send volume and feature tier.

Verified Oct 11, 2026 · SendGrid: official product and plan documentation

Coverage limits
Free and Basic allow 1 custom sending domain and 1 day of logs; Foundation raises this to 1,000 domains and 5 days, and Scale keeps 30 days.

Verified Oct 11, 2026 · Mailgun: official product and plan documentation

The only free option is a 60-day trial at 100 emails a day, not a permanent free plan.

Verified Oct 11, 2026 · SendGrid: official product and plan documentation

Sending volume
  • Free 100 emails per day
  • Basic 10,000 emails per month
  • Foundation 50,000 emails per month
  • Scale 100,000 emails per month
  • Free Trial 100 emails per day
  • Essentials 50,000 to 100,000 emails a month
  • Pro 100,000 to 2,500,000 emails a month
Sender domains
  • Free 1 custom sending domain
  • Basic 1 custom sending domain
  • Foundation 1,000 custom sending domains
  • Scale 1,000 custom sending domains
Not verified
Log retention
  • Free 1 day of logs
  • Basic 1 day of logs
  • Foundation 5 days of logs
  • Scale 30 days of logs
  • Free Trial 3 days of searchable email activity
  • Essentials 3 days of searchable email activity
  • Pro 7 days of searchable email activity
  • Premier 7 days of searchable email activity
Webhooks and events
Tracking, analytics and webhooks are listed from the Free plan up.

Basic, Foundation and Scale cards list them too.

Verified Oct 11, 2026 · Mailgun: official product and plan documentation

  • Free Trial 1 event webhook
  • Essentials 2 event webhooks
  • Pro 5 event webhooks
  • Premier 5 event webhooks
Dedicated IP
Extra dedicated IPs cost USD 59 per IP a month.

Verified Oct 11, 2026 · Mailgun: official product and plan documentation

  • Foundation Available from the 50,000-email tier; one IP included from 100,000 emails a month
  • Scale One dedicated IP included, plus dedicated IP pools
Pro and Premier include dedicated IPs; more can be purchased.

Verified Oct 11, 2026 · SendGrid: official product and plan documentation

  • Pro 1 dedicated IP included
  • Premier 1 dedicated IP included
Support
Ticket, chat and phone support depend on the plan.

Verified Oct 11, 2026 · Mailgun: official product and plan documentation

  • Free Ticket support
  • Scale Live phone and chat support
Access to expert services and personalized support is listed as available for purchase.

No price is shown.

Verified Oct 11, 2026 · SendGrid: official product and plan documentation

Overage charges
Extra emails are billed at the start of each month for the previous month, together with the plan fee.

The first month is prorated.

Verified Oct 11, 2026 · Mailgun: official product and plan documentation

Sending past the plan's allowance may add overage charges on top of the monthly rate; the rate is not published on the pricing page.

SendGrid suggests upgrading if you regularly hit the limit.

Verified Oct 11, 2026 · SendGrid: official product and plan documentation

Coverage note

Starting allowance.

Additional IPs can be bought as an add-on.

More history is available for purchase.

Volume is selected at purchase.

Choose two or three products.