The first API for actionable email

Start sending actionable emails from your application in a snap.

Turn email into a surface for your application

Bring actions from your application like booking an appointment, taking a survey or leaving a review and push them directly into users’ inboxes.

Build emails with only JSON

Don't worry about the complexity of developing for email or rendering interactivity within the inbox. Send structured JSON and receive fully responsive HTML.


Data where you need it

Consume in-email behaviors via in real time via API/webhooks or push data into your existing warehouse.

All major eSPs supported

Send with your Email Service Provider

Send REBEL emails with your existing email stack. No integration required.

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Simple Pricing

Compare our two APIs

Two platforms to build the next generation of email


Lite API

/ per month
Static components
Export as HTML
Email support
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14 day free trial

Actionable API

for pricing
Static components
Actionable components
Analytics on in-email behavior
Dedicated support
Get Access