NOTIFICATIONS
INFRASTRUCTURE

One API call. Three channels. In-app, email, and Slack — all integrated in under 15 minutes.

1000
Free/Mo
3
Channels
15min
Setup

Ship Notifications in Minutes

terminal
1# Send to all channels defined in the workflow
2curl -X POST https://api.alrt.dev/events/trigger \
3  -H "Authorization: Bearer ${ALRT_API_KEY}" \
4  -H "Content-Type: application/json" \
5  -d '{
6    "workflow": "new-comment",
7    "subscriber_id": "user_123",
8    "payload": {
9      "commenter_name": "Sarah",
10      "comment_preview": "Looks great!",
11      "post_url": "https://app.example.com/posts/456"
12    }
13  }'
14
15# Or override channels at trigger time
16curl -X POST https://api.alrt.dev/events/trigger \
17  -H "Authorization: Bearer ${ALRT_API_KEY}" \
18  -H "Content-Type: application/json" \
19  -d '{
20    "workflow": "new-comment",
21    "subscriber_id": "user_123",
22    "channels": ["in_app", "slack"],
23    "payload": {
24      "commenter_name": "Sarah",
25      "comment_preview": "Looks great!",
26      "post_url": "https://app.example.com/posts/456"
27    }
28  }'
TypeScript28 lines

Everything You Need

Visual Workflow Builder

Drag-and-drop notification flows. Triggers, channels, delays, and conditions — no code needed.

Multi-Channel Delivery

In-app, email, and Slack from a single API call. We route to the right channel automatically.

Real-Time In-App

WebSocket-powered live delivery. Your users see notifications the instant they're triggered.

Template Editor

Edit email subjects, Slack messages, and in-app content with live preview and variables.

Subscriber Preferences

Per-workflow, per-channel opt-in/out. Your users control how they get notified.

API-First Design

REST API + TypeScript SDK. Auto-generated types. Idempotent triggers. Batch support.

Simple Pricing

Free
$0forever
  • 1000 notifications/mo
  • 3 channels (in-app, email, Slack)
  • Visual workflow builder
  • 1 team member
  • Community support
ProHOT!
$29/month
  • 100K notifications/mo
  • All channels
  • Unlimited workflows
  • 5 team members
  • Priority support
  • Analytics dashboard
Enterprise
Custom
  • Unlimited notifications
  • All channels + custom
  • Unlimited workflows
  • Unlimited team members
  • Dedicated support
  • SLA guarantee
  • SSO / SAML

Ready to Send Your First Notification?

Set up multi-channel notifications in 15 minutes. Free tier included.