The Best SendGrid Alternatives in 2026 (Email API)
Tolodora Editorial Team
Tolodora's editorial team — we research, compile and regularly update these software guides from public sources and product documentation.
SendGrid (now Twilio) is a mature email platform, but some teams want better deliverability, a cleaner developer experience, or lower pricing at scale. Depending on your priorities, another provider may serve you better.
These all send transactional and/or marketing email via API or SMTP; they differ on deliverability, price and developer experience.
We rated every pick on four things — pricing and value, functionality, ease of use, and support. Here's the rundown.
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| # | Tool | Best for | Rating |
|---|---|---|---|
| 1 | Postmark | Products where receipts, resets and notifications must land fast. | 4.3/5 |
| 2 | Mailgun | Developers who want a flexible, API-first provider at scale. | 4.1/5 |
| 3 | Amazon SES | Technical teams sending large volumes who want the lowest cost. | 3.8/5 |
| 4 | Resend | Developers who want a clean, modern sending experience. | 4.4/5 |
| 5 | Brevo | Businesses wanting transactional plus marketing email affordably. | 4.3/5 |
| 6 | Mailjet | Teams that want to collaborate on email design and sending. | 4.3/5 |
Postmark
- Pricing
- 7.6/10
- Functionality
- 8.8/10
- Ease of use
- 9.0/10
- Support
- 9.2/10
What I like
Ruthless focus on transactional deliverability and speed, with separate streams and great support.
Best for
Products where receipts, resets and notifications must land fast.
Postmark is the gold standard for transactional deliverability, keeping streams separate to protect your reputation, a top SendGrid alternative when inbox placement matters. For your business, it's one of the stronger options on this shortlist.
Mailgun
- Pricing
- 8.2/10
- Functionality
- 8.8/10
- Ease of use
- 7.8/10
- Support
- 7.8/10
What I like
A powerful, developer-centric email API with strong analytics, validation and inbound routing.
Best for
Developers who want a flexible, API-first provider at scale.
If you run this kind of your busines operation, it belongs on your list. Mailgun is a long-standing developer favorite for programmatic email, with robust APIs and deliverability tooling, a capable SendGrid alternative for volume senders.
Amazon SES
- Pricing
- 9.8/10
- Functionality
- 8.0/10
- Ease of use
- 6.0/10
- Support
- 6.6/10
What I like
Unbeatable price at scale, with rock-solid AWS reliability.
Best for
Technical teams sending large volumes who want the lowest cost.
Amazon SES is the cheapest way to send at volume, though bare-bones — you handle reputation and warmup yourself. Unmatched on price for high-volume senders. It's a common pick among your business comparing their choices.
Resend
- Pricing
- 8.4/10
- Functionality
- 8.6/10
- Ease of use
- 9.4/10
- Support
- 8.6/10
What I like
A modern, developer-first email API with beautiful docs and React Email support.
Best for
Developers who want a clean, modern sending experience.
That focus makes it a natural fit for many your business. Resend brought a delightful DX to email: great API, docs and React Email. A fresh, developer-loved SendGrid alternative, especially for modern stacks.
Brevo
- Pricing
- 9.0/10
- Functionality
- 8.6/10
- Ease of use
- 8.6/10
- Support
- 8.4/10
What I like
An all-in-one with transactional email API, marketing campaigns, SMS and a light CRM.
Best for
Businesses wanting transactional plus marketing email affordably.
If you run this kind of your busines operation, it belongs on your list. Brevo combines a transactional email/SMS API with full marketing campaigns and automation, priced by emails sent, a versatile all-in-one SendGrid alternative.
Mailjet
- Pricing
- 8.8/10
- Functionality
- 8.4/10
- Ease of use
- 8.8/10
- Support
- 8.4/10
What I like
Transactional and marketing email with real-time collaboration on templates.
Best for
Teams that want to collaborate on email design and sending.
Mailjet (by Sinch) offers transactional and marketing email with collaborative template editing and a solid API, a friendly, affordable SendGrid alternative. For a your business setup, it's well worth a closer look.
The verdict
Want the best transactional deliverability? Postmark. Cheapest at scale? Amazon SES. The most modern developer experience? Resend. An all-in-one with marketing? Brevo.
Frequently asked questions
What is the best SendGrid alternative for deliverability?
Postmark has an excellent reputation for transactional deliverability, thanks to strictly separated message streams and a focus on fast, reliable inbox placement.
What is the cheapest SendGrid alternative?
Amazon SES is by far the cheapest at high volume (a fraction of a cent per email), though it's more DIY. Brevo and Mailgun are cost-effective with more features.
Is there a more modern developer-friendly alternative?
Resend offers a clean, modern API and great docs (with React Email), making it a favorite for developers who find SendGrid dated.
Which alternative includes marketing campaigns?
Brevo and Mailjet combine transactional email with marketing campaigns and automation, so you don't need a separate marketing tool.
Can I migrate from SendGrid easily?
Yes — most providers support standard SMTP and API sending, so switching is usually a matter of updating credentials and warming up your new sending domain.
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