Complete User Communication Platform

User Communication Platform
Built for Modern Apps

Engage users across Email, SMS, WhatsApp, and Push with personalized messaging. Built-in user preferences, segmentation, and analytics.
99.9% uptime. 1,000 free emails/month. Start engaging users in 5 minutes.

Omnichannel User Communication

Email

Personalized user emails with templates and dynamic content

SMS

Instant user messaging with global SMS delivery

WhatsApp

Rich user engagement via WhatsApp Business API

Push

Real-time user engagement with mobile & web push

Complete Customer Engagement Platform

User Segmentation

Target specific user groups based on behavior, attributes, and preferences. Send relevant messages to the right users at the right time.

Personalized Messaging

Dynamic content, user attributes, and custom variables. Create personalized user experiences that drive engagement and conversions.

User Preference Management

Built-in preference center. Let users control which messages they receive and on which channels. Improve engagement and reduce unsubscribes.

User Engagement Analytics

Track user engagement metrics across all channels. Monitor delivery rates, open rates, click rates, and user behavior patterns.

Multi-Channel Communication

Reach users on their preferred channels. Automatically fallback to alternative channels if primary delivery fails. Maximize message delivery.

Lifecycle Messaging

Automated user journeys for onboarding, re-engagement, and retention. Send the right message at every stage of the user lifecycle.

Send Personalized User Messages

Use user attributes and segmentation to send highly personalized communications.

POST https://api.sendmator.com/api/v1/messages/send
Content-Type: application/json
X-API-Key: your-api-key

// Personalized onboarding email
{
  "to": "user@example.com",
  "channel": "email",
  "subject": "Welcome {{firstName}}! Let's get you started",
  "body": "Hi {{firstName}}, welcome to {{appName}}...",
  "variables": {
    "firstName": "Sarah",
    "appName": "Acme App"
  }
}

// Re-engagement push notification
{
  "to": "device-token",
  "channel": "push",
  "title": "We miss you {{firstName}}!",
  "body": "{{daysInactive}} days since your last visit. Come back!",
  "variables": {
    "firstName": "John",
    "daysInactive": "7"
  },
  "segment": "inactive_users"
}

// Segmented promotional message
{
  "segment": "premium_users",
  "channel": "email",
  "subject": "Exclusive offer for premium members",
  "body": "Hi {{firstName}}, as a valued premium member..."
}
        

User Communication Use Cases

User Onboarding

Welcome new users with personalized onboarding sequences. Send setup guides, feature tips, and activation reminders across Email, SMS, and Push.

User Re-engagement

Win back inactive users with targeted re-engagement campaigns. Send personalized offers, feature updates, and reminders based on user behavior.

Lifecycle Messaging

Engage users at every stage. Onboarding, activation, retention, and win-back messages delivered at the perfect moment via the right channel.

Product Announcements

Inform users about new features, updates, and improvements. Segment announcements by user type, plan, or behavior patterns.

Personalized Offers

Send targeted promotions based on user preferences, purchase history, and engagement levels. Increase conversions with personalized recommendations.

Account Activity Alerts

Keep users informed about important account activities. Login alerts, profile changes, security notifications, and usage milestones.

Why Choose Our User Communication Platform?

Unified Platform

All communication channels in one platform. No need to integrate multiple providers or manage separate dashboards.

User Preferences

Built-in preference management. Users control what they receive and where. GDPR compliant by design.

Engagement Metrics

Track user engagement across all channels. See what works and optimize your messaging strategy.

Smart Segmentation

Segment users by behavior, attributes, or custom properties. Send targeted messages that resonate.

99.9% Uptime

Enterprise-grade reliability. Your user communications delivered consistently and on time.

Fast Setup

Start communicating with users in 5 minutes. Simple API, comprehensive docs, and ready-to-use SDKs.

Key Features for User Engagement

Dynamic User Attributes

Store and use custom user attributes for personalization. Name, location, preferences, behavior data, and more.

Advanced Segmentation

Create user segments based on any criteria. Combine multiple conditions for precise targeting.

Template Engine

Reusable message templates with variable substitution. Maintain brand consistency across all user communications.

Scheduled Messaging

Schedule messages for optimal delivery times. Send based on user timezone for maximum engagement.

Message Workflows

Build automated user journeys with triggers, conditions, and multi-step sequences.

A/B Testing

Test different messages, subject lines, and send times. Optimize user engagement with data-driven insights.

Ready to Transform User Communication?

Engage users with personalized messaging across all channels. Built-in preferences, analytics, and segmentation. Start in 5 minutes.

Start Free Trial

No credit card required • 1,000 free emails/month • 99.9% uptime SLA