Mailjet

API

API for sending marketing emails and managing MJML/HTML templates

Overview

Mailjet’s RESTful API enables sending marketing and transactional emails, managing MJML/HTML templates, tracking delivery stats, and handling contact lists. It uses JSON for requests and responses. Key endpoints include /send (email dispatch), /templates (CRUD for MJML/HTML templates), /contacts (subscriber list management), and /stats (open/click metrics). Use cases: automate targeted campaigns, integrate email into SaaS apps, create responsive templates with MJML, and optimize engagement via performance tracking.

Example Integration (JavaScript)

script.js JS


fetch('https://www.mailjet.com/')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful API
JSON Support
MJML/HTML Template Management
Marketing Email Sending
Analytics & Tracking
Contact List Management
Transactional Email Support

Frequently Asked Questions

? Is Mailjet API free to use?

Yes, Mailjet offers a free tier with limited monthly emails and basic features; paid plans unlock higher sending limits, advanced analytics, dedicated IPs, and priority support.

? Does it require an API Key?

Yes, you need to generate API keys from your Mailjet dashboard to authenticate all requests to the API.

? What is the response format?

The Mailjet API uses JSON as the primary response format for all successful requests and error messages.

Top Alternatives

SendGrid API Search Google

Mailchimp Marketing API Search Google

SendinBlue API Search Google

Tool Info

Pricing Freemium

Category Business

Platform Public API

Pros

⊕ Easy integration with applications
⊕ Supports MJML for responsive templates
⊕ Robust analytics (opens, clicks, deliveries)
⊕ Free tier available for small-scale use
⊕ Detailed API documentation

Cons

⊖ Rate limits apply to free tier
⊖ Advanced features locked behind paid plans
⊖ Steeper learning curve for complex campaign automation