Build with Mailchimp
Mailchimp’s developer tools provide everything you need to integrate your data with intelligent marketing tools and event-driven transactional email.
Mailchimp Marketing API
Send marketing campaigns
Mailchimp’s Marketing API powers timely, relevant marketing campaigns with custom data pulled directly from your app.
Mailchimp Transactional Email
Send transactional email
Mailchimp Transactional Email (formerly Mandrill) sends targeted and event-driven messages via the API or SMTP, fast—with best-in-class deliverability.
Build your own commerce stack
Mailchimp Open Commerce (formerly Reaction Commerce) is an open source, API-first, modular commerce stack made for technical, growth-minded retailers.
You’ll be in good company
When you build integrations with Mailchimp, you’re creating tools for a trusted and reliable platform that powers marketing, e-commerce, and more for millions of small businesses.
Trusted by fourteen million customers and counting
Rock-solid reliability delivers 1 billion emails daily
Dev teams have launched over 290 Mailchimp integrations so far
Mailchimp Integration Partner Program
A helping hand to scale your Mailchimp Integration
As an Integration Partner, you’ll have access to exclusive benefits, insights, and opportunities to grow your business.Learn More
$1 Million to the Developer Community
We’ve invested in the developer community with a fund to power the creation of new Mailchimp integrations. Keep an eye on the integrations directory to see what’s new!Browse Integrations
On the Mailchimp side, the fact that the API allows us to send automated emails to catch potential customers that might otherwise be lost is a great feature.