Feature

Trigger smarter emails with Custom Events

Track any action in your app or site and launch perfectly timed, personalized messages.

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Trusted by companies worldwide

Real‑world behavior targeting

Move beyond opens and clicks—segment and automate on true user actions that signal intent.

Track Any Action

SendX API captures events like “Added to Cart” or “Plan Upgraded” with rich metadata.

  • Push events with one POST request
  • Attach properties (price, SKU, timestamp)
  • Works across web, mobile, and backend
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Behavior‑Based Segments

Build dynamic lists from meaningful actions—not just email activity.

  • Group users who played a video or viewed pricing
  • Layer events with tags or attributes
  • Segments auto‑update in real time
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Contextual Personalization

Insert event data directly into your emails for hyper‑relevant content.

  • Show product names, prices, or plan levels
  • Use merge tags for dynamic copy
  • Boost conversions with tailored offers
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How Custom Events power workflows

SendX listens for your event data and turns it into automation triggers in seconds.

1

Push Events via API

Send a POST with contact email, event name, and optional properties.

2

Build Behavior Segments

Create lists based on events, property filters, and time windows.

3

Trigger Automated Emails

Kick off workflows whenever an event fires—sending personalized campaigns instantly.

Frequently asked questions

Everything you need to know about SendX and email marketing

How do I send a custom event to SendX?

Use the /events endpoint with the contact’s email, event name, and any JSON properties you need.

Can I include event data inside the email?

Yes—use merge tags like {{ event.product_name }} anywhere in your template.

Do events work with existing automations?

Absolutely. Add “Custom Event Trigger” to any workflow and choose the event name.

Is there a limit on properties I can send?

You can attach up to 20 key‑value pairs per event for detailed personalization.

How quickly are events processed?

Events are ingested in real time; triggers fire within seconds of receipt.

Still have questions? We're here to help.

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