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SendGrid vs Mailjet Comparison (2026)

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SendGrid

Mailjet

Overview

SendGrid is a solution that provides a cloud-based email infrastructure to help relieve businesses of the cost and complexity of maintaining custom email systems. It provides email delivery, scalability and real-time analytics along with APIs. The platform also offers SMTP service, email validation, deliverability insights, and dynamic templates, while supporting multiple programming languages including Node.js, Python, and Java.

With GDPR-compliant infrastructure and proven deliverability, Mailjet is the best Email Marketing Software & Email API for Teams. Marketers design, deliver, and automate email newsletter while developers power transactional email via robust API platform.

Platforms supported

Web-based
iPhone app
Android app
Windows Phone app

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Customer support

Phone
Online
Knowledge base
Video tutorials

view more detailsview details

Platforms supported

Web-based
iPhone app
Android app
Windows Phone app

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Customer support

Phone
Online
Knowledge base
Video tutorials

view more detailsview details

Video & Screenshots

Pricing

Starting from

Per month

Free trial available
Credit cardless trial
Free account
Subscription based

Starting from

Per month

Free trial available
Credit cardless trial
Free account
Subscription based

User reviews

4.2

755

400

222

Value for money

Ease of use

Features

Customer support

67%

would recommend this app

4.2

456

264

115

Value for money

Ease of use

Features

Customer support

75%

would recommend this app

Pros

“The ability to quickly and easily integrate the corporate marketing platform into SendGrid to enable campaigns and help ensure message delivery.”

Shane S.

CEO

“Clean interface, easy setup, flexible list and data management, scalable for larger sends, usable template builder”

Martina S.

“reliable email delivery, scalability, and developer-friendly tools.”

Denis L.

Customer service rep

Pros

“Our data is top-notch: over 98% deliverability, engagement and click rates far above the industry average, almost no unsubscribes, and nearly zero spam reports.”

Bertrand L.

CEO

“I send monthly marketing emails for our engineering company, and Mialjet provides me with everything I need to make them great.”

Bianca L.

Human Resources Generalist

“The interface is fairly simple and allows you to create and send campaigns without too much difficulty.”

Bertrand L.

CEO

Cons

“The marketing campaign features are not as advanced as some dedicated email marketing platforms.”

Denis L.

Customer service rep

“The pricing levels are not worth the money because our e-commerce traffic is at its peak, and customer service is painfully slow when we have urgent account problems or some data management failures.”

Amir H.

E-Commerce Manager

“I’ve run into bugs that the support team hasn’t been able to help with and often feel limited by the automation capabilities.”

Hayley A.

Marketing Manager

Cons

“We are not using purchased lists, scraped contacts, or unsolicited third-party marketing campaigns. Despite providing multiple explanations about our business model, customer relationship, data collection process, legal basis, and campaign metrics, Mailjet kept applying restrictive sending limits and repeatedly asked for increasingly specific documentation, including individual proof of consent for specific contacts.”

Eduardo V.

Market Research Manager

“Their support responses felt like a never-ending compliance loop, with repeated requests that are not always realistic for large companies with hundreds of thousands of active customers. If you are a company planning to use Mailjet for high-volume customer communications, especially if your contacts come from an existing contractual customer relationship rather than a simple newsletter checkbox, be very careful.”

Eduardo V.

Market Research Manager

“In our experience, Mailjet was not a good fit for enterprise-level customer communication where contacts are collected through real business processes, contracts, customer service interactions, and onboarding workflows.”

Eduardo V.

Market Research Manager