22 Best SendGrid Alternatives

Our Pick for SaaS Companies

4.5avg rating

Sequenzy

SaaSAll-in-OneAutomationTransactional

Marketing + transactional for SaaS with AI content generation. Modern DX, native Stripe integration.

A complete replacement for SendGrid's marketing + transactional combo. Sequenzy's AI generates entire onboarding and trial conversion sequences from a description, and the Stripe integration automatically syncs billing events to subscriber profiles—features SendGrid's marketing bolt-on doesn't offer. The interface and API feel modern compared to SendGrid's dated design, and flat pricing at $49/month for 120,000 emails, unlimited subscribers is simpler than SendGrid's tiered per-email model. The trade-off is that Sequenzy can't match SendGrid's raw volume scale yet and has fewer enterprise features. Best for SaaS teams that are frustrated with SendGrid's dated interface and want a modern platform that combines marketing and transactional without bolting them together.

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Best for

SaaS teams wanting modern marketing + transactional

Pricing

$49/month for 120k emails (unlimited subscribers)

Pros

Marketing + transactional in one platform
AI generates entire email sequences
Native Stripe integration
Modern developer experience
No more dated SendGrid interface

Cons

Can't match SendGrid's raw scale (yet)
Newer platform - less proven at massive volume
No SMS support
Fewer enterprise features

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4.0avg rating

Mailgun

DeveloperAPI-FirstTransactional

Developer-focused email API with good documentation. Better DX than SendGrid, not quite Resend.

Good middle ground. Mailgun offers cleaner API design than SendGrid with built-in email validation, detailed delivery analytics, and inbound email routing that SendGrid charges extra for or doesn't offer as cleanly. The Foundation plan starts at $15/month for 10,000 emails, which is cheaper than SendGrid's Essentials for lower volumes. Now owned by Sinch (which also owns Mailjet), there's some acquisition-related uncertainty, but the platform remains solid for developer-focused transactional email. Best for developer teams that want an improvement over SendGrid's DX without going all-in on Resend's transactional-only approach.

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Best for

Developers wanting better DX than SendGrid

Pricing

$15/month for 10,000 emails (Foundation)

Pros

Better DX than SendGrid
Good documentation
Email validation included
Detailed analytics
Both transactional and basic marketing

Cons

Not as polished as Resend
Pricing can get complex
Now owned by Sinch (some concerns)
Marketing features are basic

What users say

View source reviews

Marcello Guimaraes · Trustpilot

“Initially, it took a while for the first-level support to understand my need. Once I escalated to the second level, it was very quick and efficient.”

Shahriar Alam · Trustpilot

“If you want to see the world's worst support system, you should check their support system. You will open a ticket, and they will reply after 48 hours minimum. I just wonder why they even have a support system.”

4.7avg rating

Sender

Small BusinessAll-in-OneTransactional

Feature-rich email marketing with a generous free plan. The most affordable alternative for growing teams that need both newsletters and transactional emails.

While SendGrid often feels like a collection of separate tools bolted together, Sender provides a unified dashboard where you can manage bulk newsletter campaigns, automated high-volume sequences, and critical transactional emails (such as receipts and password resets) with minimal friction. The interface is specifically designed for small and growing businesses, prioritizing a drag-and-drop user experience over the complex menus often found in SendGrid. With a generous Free Forever plan and affordable paid tiers starting at just $7 per month, it's the go-to for teams that want professional-grade deliverability without enterprise costs.

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Best for

Small businesses that want the best value for money

Pricing

$7/month for 12,000 emails (Standard)

Pros

One of the best pricing models in the industry
Transactional and marketing emails in one dashboard
Generous Free Forever plan
Highly intuitive drag-and-drop builder
24/7 friendly customer support

Cons

Sender branding on the free plan
Some advanced features locked behind paid plans
No in-built CRM

What users say

View source reviews

Nico Marques. · Trustpilot

“Sender makes sending out newsletters nice and easy, and if ever there is a doubt or a question about anything, their tech support helps you through it fast and efficiently. Thanks!”

Carmelo Tala. · Trustpilot

“It's a tool that's easy to use and I have seen great results with it! I love how easy it is to design beautifully crafted emails. Also, the support staff has been really helpful when I needed it, which helped me with a problem in the configuration of the mail in a matter of minutes.”

3.5avg rating

SparkPost

EnterpriseTransactionalAPI-First

Enterprise email with good deliverability tools. Now part of MessageBird (Bird). Good for high volume with predictive analytics.

SparkPost offers predictive email analytics and real-time bounce classification that give you deeper visibility into deliverability than SendGrid's analytics provide, plus email validation and sophisticated delivery monitoring. Starting at $20/month for 15,000 emails, it's competitively priced, though enterprise features are where it really shines. The MessageBird (now Bird) acquisition has introduced some uncertainty about the platform's independent future. Best for enterprise teams sending at high volume who want deeper deliverability analytics than SendGrid offers and are comfortable with a sales-led purchasing process.

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Best for

Enterprise high-volume senders

Pricing

$20/month for 15,000 emails

Pros

Predictive email analytics
Handles enterprise scale
Strong deliverability tools
Email validation
Real-time bounce classification

Cons

Enterprise-focused pricing
Not for small teams
Now part of MessageBird (Bird)
DX not modern

What users say

View source reviews

Rohit Joshi · Trustpilot

“If I could give 0 stars, I would. My account has been blocked for over a week due to a billing error caused by SparkPost, and they still haven't fixed it. No urgency, no ownership.”

Steven Bull · Trustpilot

“Developers beware, they will suspend your account based on 'suspicion' with no communication. They broke the emails in our production environment. We have been in business for over 30 years.”

4.3avg rating

Loops

SaaSAll-in-OneSimpleTransactional

SaaS-focused email with transactional included. Cleaner than SendGrid, purpose-built for software companies.

Modern alternative. Loops provides a clean, modern interface for building email campaigns, onboarding sequences, and transactional emails in one place—the marketing and transactional integration that SendGrid attempted but executed poorly. Built specifically for SaaS with event-based triggers and user property segmentation, every feature is available on every plan. Pricing starts at $49/month for 5,000 contacts (roughly $99/month for 10k), which is more than SendGrid per subscriber but includes cohesive marketing features. Best for SaaS teams that want a purpose-built platform with clean design, where SendGrid's bolted-on marketing features feel frustrating.

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Best for

SaaS teams wanting clean marketing + transactional

Pricing

$49/mo for 5k, ~$99/mo for 10k

Pros

Built for SaaS from day one
Transactional + marketing together
Clean, modern interface
Good deliverability
All features on all plans

Cons

No AI content generation
Gets expensive past 10k subs
Less scale than SendGrid
No SMS

4.4avg rating

Customer.io

SaaSAutomationEnterpriseAll-in-One

The powerhouse for PLG companies. Email, push, SMS, in-app—all with sophisticated behavioral triggers.

Expensive but nothing matches its power. Customer.io lets you trigger messages across every channel based on user behavior and attributes, with a visual workflow builder supporting complex branching, A/B testing, and delays that makes SendGrid's marketing automation look like a toy. Starting at $100/month for 5,000 profiles (roughly 5x SendGrid's cost), it's a serious investment, but you get transactional email built in alongside sophisticated marketing automation. Best for funded PLG companies with complex user journeys that need multi-channel behavioral messaging far beyond what SendGrid's bolt-on marketing can deliver.

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Best for

PLG companies with complex user journeys

Pricing

$100/month for 5,000 profiles (Essentials)

Pros

Most powerful behavioral automation
Multi-channel (email, push, SMS, in-app)
Transactional included
Excellent API
Built for product-led growth

Cons

5x SendGrid's price
Complex setup
Steep learning curve
Overkill for simple needs

What users say

View source reviews

Sarit Rosenthal Aviram · Trustpilot

“Renewal terms were changed without a proper notification! They tried a sneaky way to add conditions to the renewal contract, and increased their pricing. They are not flexible at all on those terms even though we are their customers for many years.”

Good Comfort · Trustpilot

“After months of trying to make Customer.io work for our business, I can say with confidence: unless you have a dedicated engineering team and endless patience, look elsewhere.”

3.8avg rating

Brevo

Budget-FriendlyAll-in-OneTransactional

Budget-friendly SendGrid alternative with unlimited contacts. Pay per email sent.

Not the prettiest, but capable and affordable. Brevo combines transactional email, marketing campaigns, SMS, WhatsApp, and CRM with unlimited contacts on every plan—broader multi-channel coverage than SendGrid at a lower price point. At $25/month for 20,000 emails, the pay-per-email model can be cheaper than SendGrid if your list is large but sending frequency is moderate. The DX is similarly dated to SendGrid's and support can be inconsistent, so you're trading one set of compromises for another. Best for budget-conscious teams that want SendGrid-like capabilities (transactional + marketing) with unlimited contacts and multi-channel messaging at a lower price.

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Best for

Budget-conscious teams

Pricing

$25/mo for unlimited contacts

Pros

Unlimited contacts
Transactional + marketing
SMS included
Actually affordable
SMTP and API

Cons

DX is dated (like SendGrid)
Pay-per-email adds up
Interface is clunky
Support can be slow

What users say

View source reviews

Gary Curran · Trustpilot

“Disappointing experience with Brevo. Our account was initially suspended after a first campaign due to bounce rate. We followed the required self-service steps and successfully revalidated the account ourselves. After this, support took ages to respond.”

Larry Chin · Trustpilot

“Brevo is a solid service for handling your marketing emails and much more. The tech support is fast and good. Making a marketing email is fast and easy. I have used SendinBlue, now Brevo, for many years now.”

4.0avg rating

Plunk

Open SourceDeveloperTransactional

Open-source email platform with modern DX. Self-hostable if you want control. Great alternative if you like Resend's approach but want open-source.

Plunk provides both transactional and marketing email in an open-source package with a developer experience that's notably more modern than SendGrid's dated API, inspired by Resend's clean approach. Self-hosting is free and gives you complete data ownership, while hosted plans are affordable for teams that don't want to manage infrastructure. The trade-off is a smaller community, fewer integrations, and less proven reliability at scale compared to SendGrid's decades of operation. Best for developer teams that want modern DX with open-source principles and the option to self-host, trading SendGrid's scale for control and transparency.

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Best for

Developers wanting open-source or self-hosted

Pricing

Free (open-source) or hosted plans

Pros

Open-source and self-hostable
Modern developer experience
Free tier available
Full control if self-hosted
Modern API design

Cons

Early stage - less proven
Smaller community
Self-hosting requires work
Fewer integrations

3.5avg rating

Elastic Email

Budget-FriendlyTransactionalAPI-First

Budget-friendly email API with decent features. Similar to SendGrid but more affordable at volume.

Elastic Email offers SMTP and API access with email verification included, with both transactional and marketing capabilities at roughly half SendGrid's cost—$25/month for 25,000 emails compared to SendGrid's $19.95 for 50,000, but per-email rates of $0.09/1k are cheaper at high volume. The feature set is broadly similar to SendGrid's (transactional + marketing + API), though the developer experience and interface are even more dated. Deliverability on shared IPs can be inconsistent, similar to SendGrid's shared IP issues. Best for cost-conscious teams that need SendGrid-like transactional and marketing capabilities at a lower price and can tolerate a basic developer experience.

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Best for

Cost-conscious teams with volume needs

Pricing

$25/month for 25,000 emails

Pros

Very affordable pricing
Both transactional and marketing
Email verification included
Good for high volume
API access

Cons

Developer experience is basic
Not as reliable as premium options
Support can be slow
Fewer modern features

#10

3.3avg rating

Mailchimp Transactional

All-in-OneTransactionalEnterprise

Formerly Mandrill. Requires Mailchimp marketing account. Good if you're already on Mailchimp, clunky otherwise.

Mailchimp Transactional is a $20/month add-on with per-email pricing on top, which means you're paying for both Mailchimp's marketing platform and transactional email—a forced bundle compared to SendGrid's more flexible approach. The deliverability is solid, backed by Mailchimp's years of infrastructure experience, and the analytics are detailed. The developer experience is notably worse than both SendGrid and Resend, with legacy API patterns. Best for teams already deeply invested in Mailchimp for marketing who want transactional from the same ecosystem, but not worth the complexity if you're switching from SendGrid specifically.

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Best for

Teams already using Mailchimp

Pricing

$20/month add-on + per-email

Pros

Integrates with Mailchimp marketing
Good deliverability
Detailed analytics
Proven at scale
Template management

Cons

Requires Mailchimp account
Pricing is complex
Not standalone
DX worse than Resend

#11

4.6avg rating

Resend

DeveloperAPI-FirstTransactional

What SendGrid would be if it was built today. Beautiful API, React Email templates, modern SDKs.

But transactional only—no marketing. Resend lets you build email templates as React components with TypeScript support, and the SDKs feel years ahead of SendGrid's dated developer experience in every language. A generous 3,000 emails/month free tier lets you test thoroughly, and $20/month covers 50,000 emails on the paid plan. The critical limitation: zero marketing features, no subscriber management, no campaigns—it's purely transactional, unlike SendGrid which does both (poorly). Best for developers whose primary frustration with SendGrid is the dated DX and who only need transactional email or are willing to pair Resend with a separate marketing tool.

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Best for

Developers prioritizing DX for transactional

Pricing

$20/month for 50,000 emails

Pros

Best developer experience in email
React Email integration
Modern SDKs for every language
Clean, intuitive API
3,000 emails/month free

Cons

Transactional only - no marketing
No subscriber management
Newer - less proven at massive scale
You'll need a second tool for marketing

What users say

View source reviews

Mantas Vileisis · Trustpilot

“They suspended account when we were getting a lot of new customers/traffic. We lost tons of them because of Resend. They decided to suspend our account, and after a long wait they decided to keep the ban!”

Zeniki Beniki · Trustpilot

“Just implemented this service to my client's website. Super easy to implement, all verifications went smooth and quick. Emails come to Gmail next second. Very happy so far!”

#12

4.5avg rating

Postmark

TransactionalDeveloperSimple

Exceptional deliverability because they reject bad actors. If your emails must arrive (password resets, 2FA), Postmark's strict policies help.

Postmark achieves its industry-best deliverability by strictly vetting every customer and rejecting bulk marketing senders—a fundamentally different approach from SendGrid's open-door policy that leads to inconsistent shared IP reputation. Message streams let you separate transactional from broadcast, and most emails arrive in under 10 seconds. At $15/month for 10,000 emails, it's more expensive than SendGrid at high volume but the deliverability premium is worth it for critical communications. Best for applications where transactional emails like password resets and 2FA codes absolutely must reach the inbox, solving the deliverability lottery problem that plagues SendGrid's shared IPs.

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Best for

Apps where deliverability is critical

Pricing

$15/month for 10,000 emails

Pros

Exceptional deliverability (strict customer vetting)
Clean, developer-friendly API
Message streams for organization
40-day email history
Human support

Cons

Transactional only
They'll reject questionable use cases
More expensive than SendGrid at high volume
No marketing features

What users say

View source reviews

Oli Ver · Trustpilot

“We used SendGrid for 6 months and it was a constant headache. Our welcome emails, order confirmations, and password reset emails were either landing in spam or getting blocked. Postmark solved all of that.”

Mateusz Kroplewski · Trustpilot

“I have tried using MailJet and AmazonSES before Postmark and the customer service is very slow. I set up Postmark and got my domain approved to send email on the same day. Customer service is amazing.”

#13

3.5avg rating

Amazon SES

Budget-FriendlyEnterpriseAPI-FirstTransactional

The cheapest option at scale. $0.10 per 1,000 emails. But you're on your own—no templates, no dashboard, no hand-holding.

Amazon SES gives you raw SMTP and API access backed by AWS infrastructure, at a fraction of SendGrid's cost—50,000 emails would cost $5 on SES versus SendGrid's $19.95. You get virtually unlimited scale with no monthly minimum, but zero developer experience, zero deliverability tools, and zero marketing capabilities. Every feature SendGrid provides out of the box (templates, analytics, bounce handling, dashboards) you'll build yourself. Best for engineering teams at high volume that have the resources to build a complete email infrastructure layer and want the absolute lowest per-email cost.

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Best for

Cost-sensitive high-volume senders with engineering resources

Pricing

$0.10 per 1,000 emails

Pros

Cheapest at high volume by far
AWS reliability
Full control
No monthly minimum
Scales infinitely

Cons

Zero developer experience
DIY everything (templates, deliverability, bounces)
No dashboard or analytics
AWS complexity

#14

4.2avg rating

MailerSend

DeveloperTransactionalBudget-FriendlyAPI-First

Built by the Mailerlite team specifically for transactional email, MailerSend sits in a sweet spot between SendGrid's aging platform and Resend's transactional-only purity. The API is modern and well-documented with SDKs for all major languages, and the dashboard actually shows you useful deliverability data unlike SendGrid's basic stats.

A generous free tier of 3,000 emails/month matches Resend's, and paid plans start at $28/month for 50,000 emails—competitive with SendGrid's pricing but with a noticeably better interface. You also get SMS and inbound email routing, which Resend lacks. The downside is that marketing features are limited to basic templates and there's no campaign or automation system. Best for developers who want SendGrid's transactional capabilities with a modern interface and better pricing, without needing full marketing features.

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Best for

Developers wanting modern transactional with good free tier

Pricing

$28/month for 50,000 emails

Pros

Modern API with great documentation
3,000 emails/month free tier
SMS support included
Inbound email routing
Built by the MailerLite team (proven track record)

Cons

No marketing campaigns or automations
Less established than SendGrid
Limited template editor
No dedicated IP on lower plans

What users say

View source reviews

Leonardo Messias · Trustpilot

“I've had a great experience using MailerSend. The platform is reliable, easy to use, and delivers exactly what it promises. The interface is clean and intuitive.”

J O Spies · Trustpilot

“I have to say that MailerSend support is exceptional. They ask all the right questions so I simply have to provide the details accordingly. Professional assistance.”

#15

4.1avg rating

Mailtrap

DeveloperTransactionalAPI-First

Originally an email testing tool, Mailtrap now offers production email sending alongside its famous sandbox environment—something SendGrid never bothered to build well. The killer feature is seamless transition from testing to production: you develop and test emails in Mailtrap's sandbox with HTML/CSS checks and spam score analysis, then flip to live sending without changing your integration.

The sending API is clean and modern, with solid deliverability on dedicated IPs. At $10/month for 10,000 emails on the sending side, it's cheaper than SendGrid for lower volumes. The catch is it's purely transactional with no marketing features, and the sending infrastructure is newer than SendGrid's battle-tested systems. Best for development teams that value email testing workflows and want a seamless path from staging to production that SendGrid's clunky test setup can't match.

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Best for

Dev teams wanting testing + production sending

Pricing

$10/month for 10,000 emails (sending)

Pros

Best email testing sandbox in the industry
Seamless dev-to-production workflow
HTML/CSS and spam score checking
Clean, modern API
Affordable entry pricing

Cons

Transactional only - no marketing
Sending infrastructure is newer
Less proven at massive scale vs SendGrid
Limited analytics compared to SparkPost

What users say

View source reviews

Hongkonger Momo · Trustpilot

“Mailtrap blocked our ability to send marketing emails. We're a paid customer and the list we use is opt-in. They stated our email list was 'not verified' and considered it 'cold email.'”

Jiri · Trustpilot

“We have been using Mailtrap for 3 months and have very good experience with them. We use SMTP relay, webhooks, sending hundreds of thousands of emails and all works good. Great support too.”

#16

4.0avg rating

SMTP2GO

TransactionalSimpleDeveloper

A no-nonsense SMTP relay service that does one thing well: getting your emails delivered. While SendGrid has bloated into a complex platform with marketing features bolted on, SMTP2GO stays focused on reliable email delivery with clean SMTP and API access.

The dashboard is straightforward with real-time delivery tracking, and support is responsive even on lower tiers—a stark contrast to SendGrid's notoriously slow support. Starting at $10/month for 1,000 emails with a free tier of 1,000/month, it's affordable for smaller senders. It lacks the scale of SendGrid and has no marketing capabilities, but if you just need emails to arrive reliably without fighting a complex platform, SMTP2GO is refreshingly simple. Best for small-to-mid teams that want SendGrid's core SMTP functionality without the platform complexity and with better support.

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Best for

Teams wanting simple, reliable SMTP relay

Pricing

$10/month for 1,000 emails

Pros

Simple and focused on delivery
Responsive support on all tiers
Real-time delivery tracking
Easy SMTP setup
Free tier available

Cons

No marketing features at all
Expensive per-email at high volume
Less scale than SendGrid
Limited API compared to modern alternatives
Basic reporting

What users say

View source reviews

customer · Trustpilot

“I've used them for about 3 months now and the experience has been great. It's nice to see a dashboard of which emails didn't go through and why. They blend the tech and usability well.”

Nico · Trustpilot

“SMTP2GO is a simple and easy-to-use service that handles basic email needs very efficiently. The support team is responsive and friendly. Highly recommend.”

#17

3.7avg rating

Mailjet

All-in-OneTransactionalBudget-Friendly

Now owned by Sinch (same parent as Mailgun), Mailjet combines transactional and marketing email with a collaborative email editor that lets multiple team members work on templates simultaneously—a feature SendGrid simply doesn't have. The real-time collaboration is genuinely useful for marketing teams, and the API handles both transactional and marketing sending in one integration.

Pricing starts at $15/month for 15,000 emails, making it cheaper than SendGrid at equivalent volumes. The downside is the DX feels dated (though still slightly better than SendGrid's), automation capabilities are basic, and the Sinch acquisition has created uncertainty about the product's independent roadmap. Best for marketing teams that need collaborative email creation alongside transactional sending and want to spend less than SendGrid.

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Best for

Teams needing collaborative email editing

Pricing

$15/month for 15,000 emails

Pros

Real-time collaborative email editor
Both transactional and marketing
Cheaper than SendGrid
Good deliverability
SMTP and REST API

Cons

Sinch acquisition creates uncertainty
Automation is basic
DX still somewhat dated
Support quality varies

What users say

View source reviews

Davide · Trustpilot

“Mihael has been extremely patient, knowledgeable, and flexible throughout the entire process. We've received excellent support and truly appreciated the clear and consistent communication.”

Teresa Nelson · Trustpilot

“Nice services, deliverability 100%. But the most important - every question and every request is processed extremely quickly.”

#18

4.3avg rating

Knock

DeveloperAPI-FirstAll-in-One

Knock is a notification infrastructure platform that handles email, in-app, push, SMS, and Slack notifications through a single API—making SendGrid look like a one-trick pony. Instead of building separate integrations for each channel, you define notification workflows once and Knock routes them to the right channel based on user preferences.

The developer experience is excellent with well-designed SDKs and clear documentation. Pricing starts at $250/month for 10,000 monthly tracked users, which is significantly more expensive than SendGrid, but you're replacing multiple services (SendGrid + push provider + in-app notification system). The catch is it's notification-focused, not marketing-focused—no campaigns or broadcasts. Best for product engineering teams building sophisticated multi-channel notification systems who want to replace SendGrid plus three other services with one unified platform.

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Best for

Product teams building multi-channel notifications

Pricing

$250/month for 10,000 users

Pros

Multi-channel notifications in one API
Excellent developer experience
User notification preferences built in
Workflow engine for complex routing
Replaces multiple services

Cons

Expensive compared to SendGrid alone
No marketing campaigns or broadcasts
Notification-focused, not email-focused
Overkill if you only need email

#19

4.0avg rating

Novu

Open SourceDeveloperAPI-FirstAll-in-One

Novu is an open-source notification infrastructure that lets you orchestrate email, SMS, push, in-app, and chat notifications through a single API—and you can self-host it for free, something SendGrid will never offer. The platform acts as a notification layer that can use SendGrid, SES, or any other email provider as the delivery backend while adding workflow management, subscriber preferences, and a pre-built notification center component.

The community is active and growing fast on GitHub. The trade-off is that it's infrastructure, not a complete email solution—you still need an underlying email provider for actual delivery. At scale, the managed cloud version starts at $250/month. Best for engineering teams that want to own their notification infrastructure and orchestrate across channels without being locked into SendGrid's ecosystem.

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Best for

Engineers wanting open-source notification infrastructure

Pricing

Free (self-hosted) or $250/month (cloud)

Pros

Open-source and self-hostable
Multi-channel notification orchestration
Use any email provider as backend
Active GitHub community
Pre-built notification center component

Cons

Still need an email delivery provider underneath
Self-hosting is complex
Managed cloud is expensive
More infrastructure than email platform
Steeper learning curve than SendGrid

#20

4.2avg rating

ConvertKit

CreatorNewsletterSimpleAutomation

If you're a creator using SendGrid because a developer told you to, stop. ConvertKit (now Kit) is built for newsletters, courses, and audience monetization—none of which SendGrid does well.

The visual automation builder is intuitive without needing to write code, landing pages are included for free, and you can sell digital products directly without Gumroad or Stripe integration headaches. At $119/month for 10,000 subscribers it's more expensive than SendGrid, but you're comparing a purpose-built creator platform to a developer API. The deliverability is solid and the tag-based subscriber management works well for content segmentation. No transactional email support and zero API flexibility compared to SendGrid. Best for content creators, newsletter writers, and course sellers who accidentally ended up on SendGrid and need a platform designed for humans, not developers.

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Best for

Creators and newsletter writers

Pricing

$119/month for 10,000 subscribers

Pros

Built for creators, not developers
Landing pages included free
Sell digital products directly
Visual automation builder
Great deliverability for newsletters

Cons

No transactional email
No API flexibility like SendGrid
Expensive for what you get
Not for SaaS or e-commerce
Limited design customization

What users say

View source reviews

K.G. · Trustpilot

“This company now calls itself 'Kit.' This platform has more than a few issues. It doesn't have the basic functionality that other platforms such as Constant Contact and Mailchimp have had for years. And last year, they raised their prices 50% without telling customers.”

Paris · Trustpilot

“I signed up for ConvertKit Trial and the first thing I noticed is there are very limited capabilities so I immediately provided my card details for the full experience but was still limited. It was preventing me from creating what I needed.”

#21

4.3avg rating

Klaviyo

E-commerceAutomationEnterpriseAll-in-One

The undisputed king of e-commerce email. If you're running a Shopify or WooCommerce store on SendGrid, you're doing it wrong.

Klaviyo's deep e-commerce integrations make SendGrid's marketing features look like a science project—real-time product catalog syncing, predictive analytics for customer lifetime value, abandoned cart flows with actual product images, and revenue attribution that shows you exactly which emails drive sales. SMS is built in with unified automation, so one workflow can email then text. At $150/month for 10,000 profiles it's the most expensive option here, but e-commerce stores typically see 20-40x ROI from a single abandoned cart flow. Zero transactional API capabilities and totally useless for SaaS or developer use cases. Best for e-commerce businesses currently using SendGrid for both marketing and transactional who want dramatically better marketing results and can pair Klaviyo with a separate transactional provider.

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Best for

E-commerce stores, especially Shopify

Pricing

$150/month for 10,000 profiles

Pros

Best-in-class Shopify integration
Revenue attribution per email
Abandoned cart flows that actually convert
SMS + email unified automation
Predictive analytics for CLV

Cons

Most expensive option on this list
Useless outside e-commerce
No transactional email API
Steep learning curve
No developer API like SendGrid

What users say

View source reviews

Zaido Rivers · Trustpilot

“Basically a scam at this point. They are doomed with the rise of people building their own solutions.”

Mike L · Trustpilot

“Signed up with them to use their texting campaign feature. Keeps throwing me an error, tried a couple times to work it out with them and was not able to get anywhere. Finally requested a refund, it's been 2 plus weeks and not even a response.”

#22

4.2avg rating

MailerLite

Budget-FriendlySimpleNewsletterAutomation

MailerLite is what Mailchimp used to be before it got bloated—and it's a surprisingly good SendGrid alternative for teams that need marketing email with a clean interface at a fraction of the cost. The drag-and-drop editor is genuinely well-designed, automation workflows are visual and intuitive, and the free tier supports up to 1,000 subscribers with 12,000 monthly emails.

At $18/month for 1,000 subscribers scaling to about $73/month for 10,000, it's dramatically cheaper than SendGrid's marketing plans. No transactional API and limited developer tools mean it's not a 1:1 SendGrid replacement, but if SendGrid's marketing features are what you actually use, MailerLite does them better for less money. Best for small businesses and marketers who use SendGrid primarily for marketing campaigns and newsletters and want a simpler, cheaper alternative.

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Best for

Small businesses wanting affordable marketing email

Pricing

$18/month for 1,000 subs, ~$73/month for 10k

Pros

Excellent drag-and-drop editor
Very affordable pricing
Free tier up to 1,000 subscribers
Clean, intuitive interface
Good automation for the price

Cons

No transactional email API
Limited developer tools
Not a full SendGrid replacement
Basic segmentation
No SMS

What users say

View source reviews

Alpine Sport · Trustpilot

“Our company used MailerLite as a professional email tool for legitimate business communication. Then, without notice, the account was terminated. We received only a generic rejection with no meaningful explanation.”

Joseph Berk · Trustpilot

“MailerLite is a powerful platform once everything is set up, especially for landing pages and email automation. The editor is flexible, and support was responsive and helpful when I hit a confusing publishing issue.”

Why Consider Alternatives to SendGrid

The developer experience feels stuck in 2015

SendGrid's API works, but it feels dated. Modern alternatives like Resend have cleaner APIs, better SDKs, and features like React Email that make development faster and more pleasant.

Deliverability is inconsistent on shared IPs

SendGrid lets almost anyone on the platform. This means shared IPs can have reputation problems from other users. Platforms that vet customers (Postmark) or offer dedicated IPs by default have better inbox rates.

Marketing features are an afterthought

SendGrid added marketing features, but they feel bolted on. Purpose-built marketing platforms like Loops or Sequenzy provide much better experiences for campaigns and automations.

Support quality varies wildly

On lower tiers, SendGrid support can be slow and unhelpful. If you're paying for premium support, it's fine. But alternatives like Postmark have better support at every level.

What Users Say About SendGrid

Trustpilot

Awful experience. Customer support is non-existent. What little support does exist covers for development's shortcomings. Missing all kinds of data points in many API endpoints. Don't waste your time.

Steve Yardumian2026-02

Trustpilot

Terrible company with zero customer support. Frequently loses account data, unable to remove my debit card from the platform, and they keep trying to charge me despite me not using the service.

Nicolas Arden2026-02

Trustpilot

After having all my clients' email down for days, and getting support that often times took 1-2 days for a response, I decided to move to a different service and I'm never looking back. Worst customer support in 30 years.

Kathleen Schmidt2026-01

Trustpilot

Changed the terms of their free service agreement without communicating the change.

ETVNul2026-01

Trustpilot

Sales support is appalling. They impose punitive overage charges and I tried to upgrade my account to avoid this - but a month later I still don't have the upgrade in place.

Paul Gray2026-01

Trustpilot

No customer support. Nobody replied for 3 days.

Vi2026-02

Feature

SendGrid

Sequenzy

Resend

Postmark

Amazon SES

Loops

Customer.io

Price at 50k/mo

$19.95

$49*

$20

$50

~$99*

$150+*

DX quality

Dated

Good

Best

Great

None

Good

Transactional

Marketing

Deliverability

Variable

Good

Best

DIY

Good

AI content

Multi-channel

When to Use Each Platform

Choose Sequenzy if...

You want modern DX with marketing + transactional
AI-generated email sequences sounds appealing
You use Stripe and want automatic sync
SendGrid's interface is driving you crazy

Choose Stay with SendGrid if...

You're sending millions of emails monthly
You've already built around their API
Twilio ecosystem integration matters
Scale is your #1 priority

Choose Resend if...

Developer experience is your top priority
You only need transactional email
You love React Email
Modern SDKs matter to you

Choose Postmark if...

Deliverability is absolutely critical
You want a platform that rejects bad actors
You only need transactional
Human support matters

Choose Amazon SES if...

Cost is everything at massive volume
You have engineering resources for DIY
You're already deep in AWS
You don't need any hand-holding

Why people leave SendGrid

SendGrid has been around forever, and in email years, that's both a blessing and a curse. It scales well and Twilio isn't going anywhere. But the cracks are showing. With 583 Trustpilot reviews painting a bleak picture—nearly all 1-star—the complaints are remarkably consistent: nonexistent customer support with days-long response times, lost account data, punitive overage charges, and unilateral changes to service terms. Multiple reviewers describe it as the worst support experience in decades. To understand modern email platform expectations, read our guide to best email marketing tools for SaaS.

The DX problem

When Resend launched with React Email and a beautiful API, it made SendGrid's developer experience feel ancient. If you've used both, you know the difference. Modern SDKs, cleaner docs, fewer workarounds needed. Check our SendGrid comparison page to see how it stacks up against modern alternatives.

The deliverability lottery

SendGrid lets almost anyone sign up. This means the shared IP pools can have reputation issues from other users. Some months you're fine, other months your emails are hitting spam. Platforms like Postmark that vet customers aggressively don't have this problem. Learn more about email deliverability best practices to understand why this matters.

Marketing that feels bolted on

SendGrid's marketing features exist, but they feel like an afterthought. If you need serious marketing automation with AI-generated sequences, purpose-built tools like Sequenzy, Loops, or Customer.io are significantly better experiences.

The alternatives, honestly

If you want modern DX + marketing: Sequenzy

Sequenzy gives you transactional and marketing in one platform with AI content generation. Describe what you want ("a 5-email onboarding sequence for a project management SaaS") and it writes the emails. Stripe syncs customer data automatically.

It's built for SaaS teams who are tired of SendGrid's dated interface but need more than just transactional. See our SendGrid comparison for detailed feature breakdown.

If you only need transactional: Resend

If SendGrid's DX is your main complaint and you only need transactional email, Resend is the obvious choice. Best developer experience in email, hands down. The catch: zero marketing features. Check our Resend comparison page for more details.

If deliverability is critical: Postmark

Postmark's exceptional deliverability comes from their strict customer vetting. They'll reject you if your use case seems sketchy. This keeps IP reputation clean. If your app depends on emails arriving (password resets, 2FA codes), this matters. Our DMARC checker and SPF checker can help you monitor your email infrastructure.

If cost is everything: Amazon SES

At $0.10 per 1,000 emails, nothing beats SES on raw cost. But you get zero help—no templates, no dashboard, no deliverability tools. Only choose this if you have engineering resources to build everything yourself.

If you want multi-channel notifications: Knock or Novu

Both Knock and Novu go beyond email to handle push, SMS, in-app, and chat notifications in a single API. If SendGrid is just one piece of your notification puzzle, these platforms replace multiple services at once. Novu is open-source if that matters to you.

If you're in e-commerce: Klaviyo

SendGrid's marketing features are terrible for e-commerce. Klaviyo has deep Shopify integration, abandoned cart flows, and revenue attribution that SendGrid can't touch. Expensive but the ROI math works for stores doing real volume.

The pricing comparison

At 50,000 emails/month:

SendGrid Essentials: $19.95/month
Resend: $20/month (transactional only)
Postmark: $50/month (transactional only, best deliverability)
Amazon SES: $5/month (DIY everything)
MailerSend: $28/month (modern transactional)
Sequenzy: $49/month for 120k emails (unlimited subscribers) (marketing + transactional + AI)

Note: Some prices are per subscriber (Sequenzy, Loops) while others are per email (SendGrid, Resend). Compare based on your actual usage. See our pricing page for a detailed breakdown.

When SendGrid is still the right choice

SendGrid wins if:

You're sending millions of emails and need proven scale
You've already built extensively around their API
Twilio ecosystem integration is valuable to you
You're on the Pro plan with dedicated IPs and premium support

Don't switch just because the grass looks greener. If SendGrid is working well at scale, the switching cost might not be worth it. But if you're frustrated with the DX, inconsistent deliverability, or clunky marketing, the alternatives are genuinely better now. Use our email validator tool to ensure your list quality before making the switch, and check our email warmup calculator to plan your transition.

Frequently Asked Questions

All Pricing Tiers

2.5k emails/month: Free (Free annually)

15k emails/month: $19/month ($205/year annually)

60k emails/month: $29/month ($313/year annually)

120k emails/month: $49/month ($529/year annually)

300k emails/month: $99/month ($1069/year annually)

600k emails/month: $199/month ($2149/year annually)

1.2M emails/month: $349/month ($3769/year annually)

Unlimited emails/month: Custom pricing (Custom annually)

Yearly billing: All plans offer a 10% discount when billed annually.

22 SendGrid Alternatives Worth Considering

TL;DR

22 Best SendGrid Alternatives

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Why Consider Alternatives to SendGrid

What Users Say About SendGrid

Feature Comparison

When to Use Each Platform

Why people leave SendGrid

The DX problem

The deliverability lottery

Marketing that feels bolted on

The alternatives, honestly

If you want modern DX + marketing: Sequenzy

If you only need transactional: Resend

If deliverability is critical: Postmark

If cost is everything: Amazon SES

If you want multi-channel notifications: Knock or Novu

If you're in e-commerce: Klaviyo

The pricing comparison

When SendGrid is still the right choice

Frequently Asked Questions

What's the best SendGrid alternative for developers?