What is the best alternative to SendGrid?

Mailgun is the closest SendGrid alternative we track for email apis. Paid plans start at $15/mo, and there is a free plan to start on. Postmark and Resend are also worth a look.

Are there free alternatives to SendGrid?

Yes — Mailgun, Postmark, Resend and 2 more offer a free plan, so you can switch without paying up front.

How much do SendGrid alternatives cost?

Entry prices range from $8/mo (NeverBounce) to $99/mo (ZeroBounce). Each product page has the full verified tier breakdown.

Is there a cheaper alternative to SendGrid?

Yes — SendGrid starts at $19/mo, while NeverBounce ($8/mo), Mailgun ($15/mo), Postmark ($15/mo) start lower.

Best SendGrid Alternatives (2026)

Looking for something other than SendGrid for email apis? Here are the 8 alternatives we track, ranked, with verified pricing for each.

8 alternatives 5 with a free plan SendGrid pricing →

Pricing verified Sep 08, 2026

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SendGrid alternatives at a glance

Product	Entry price	Plans	Free plan	Free trial
SendGrid this page's subject	$19/mo	4	Yes	Yes
Mailgun	$15/mo	5	Yes	Yes
Postmark	$15/mo	4	Yes	Yes
Resend	$20/mo	4	Yes	No
Bouncer	$25/mo	4	No	No
Kickbox	Custom	2	Yes	No
MailReach	$25/mo	2	No	No
NeverBounce	$8/mo	3	No	Yes
ZeroBounce	$99/mo	2	Yes	No

Mailgun
Email APIs

Email API for developers.

Mailgun sits in the mid-market lane — pricier than bare-bones transactional APIs like Amazon SES but cheaper than full-blown marketing suites like SendGrid at higher tiers. They're chasing developers and technical teams who want reliable infrastructure without paying for a marketing platform they won't use.

Plans: Free $0/mo · Basic $15/mo · Foundation $35/mo · Scale $90/mo · Enterprise Contact Sales

From $15/mo Free plan Free trial SendGrid vs Mailgun → Mailgun pricing →
Postmark
Email APIs

Fast, reliable transactional email.

Postmark sits mid-to-premium in transactional email, priced above bare-bones SMTP relays but below enterprise-grade platforms with heavy marketing-automation bolt-ons. They're not competing on rock-bottom per-email cost — they're selling deliverability reputation and simplicity to teams who got burned by their emails landing in spam elsewhere.

Plans: Free $0/mo · Basic $15/mo · Pro $16/mo · Platform $18/mo

From $15/mo Free plan Free trial SendGrid vs Postmark → Postmark pricing →
Resend
Email APIs

Email API for developers.

Plans: Free $0/mo · Pro $20/mo · Scale $90/mo · Custom Contact Sales

From $20/mo Free plan SendGrid vs Resend → Resend pricing →
Bouncer
Email APIs

Easy email verification API.

Plans: Starter $25/mo · Standard $125/mo · Pro $250/mo · Enterprise Contact Sales

From $25/mo SendGrid vs Bouncer → Bouncer pricing →
Kickbox
Email APIs

Email verification for senders.

Kickbox sits in the middle of the email verification pack — not the rock-bottom bulk option, but not charging a premium subscription tax either. They're courting teams who want transparent, no-commitment pricing over vendors that lock verification behind monthly plans or force annual contracts.

Plans: Pay As You Go $0/mo · Enterprise Contact Sales

Custom pricing Free plan SendGrid vs Kickbox → Kickbox pricing →
MailReach
Email APIs

Email warmup and spam testing.

The $25 entry point undercuts most dedicated warm-up tools and makes MailReach the accessible pick for anyone dipping into cold email without a big budget. But the $135 Spam Tester tier signals they're not afraid to charge premium rates once you need serious diagnostic firepower, so they're playing both ends rather than sitting neatly in one lane.

Plans: All-In-One $25/mo · Spam Tester $135/mo

From $25/mo SendGrid vs MailReach → MailReach pricing →
NeverBounce
Email APIs

Real-time email verification.

Plans: Pay as you go $8/mo · Growth $49/mo · Enterprise Contact Sales

From $8/mo Free trial SendGrid vs NeverBounce → NeverBounce pricing →
ZeroBounce
Email APIs

Email validation and deliverability.

They're playing the middle-to-flexible ground rather than racing to the bottom — a $0 entry point pulls in price-sensitive testers, while the credit-based PAYG option courts buyers who hate subscriptions. It's less about being the cheapest email validator and more about removing pricing friction so nobody has an excuse not to start.

Plans: Freemium $0/mo · ZeroBounce ONE™ $99/mo

From $99/mo Free plan SendGrid vs ZeroBounce → ZeroBounce pricing →

None of these fit? See every email apis tool we price →

SendGrid Alternatives FAQ

What is the best alternative to SendGrid?: Mailgun is the closest SendGrid alternative we track for email apis. Paid plans start at $15/mo, and there is a free plan to start on. Postmark and Resend are also worth a look.
Are there free alternatives to SendGrid?: Yes — Mailgun, Postmark, Resend and 2 more offer a free plan, so you can switch without paying up front.
How much do SendGrid alternatives cost?: Entry prices range from $8/mo (NeverBounce) to $99/mo (ZeroBounce). Each product page has the full verified tier breakdown.
Is there a cheaper alternative to SendGrid?: Yes — SendGrid starts at $19/mo, while NeverBounce ($8/mo), Mailgun ($15/mo), Postmark ($15/mo) start lower.

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