AlertFlow.io
AlertFlow
Instant API Notifications

Instant notifications via API — email, SMS and any channel

Send personalized messages through any integrations (Twilio, SMTP, etc.). Track opens, clicks, and unsubscribes. All via a single API.

99.9% Uptime
GDPR Compliant
Enterprise Ready

Everything you need to send notifications

From simple transactional emails to complex multi-channel campaigns, AlertFlow provides all the tools you need.

Set up integrations

Connect any channels: SMTP, Twilio, Plivo, SendGrid

Create templates

Use variables, custom fields, and configure Campaigns or Broadcasts

Manage contacts

Tags, custom fields, CSV import, and flexible segmentation

Track delivery

Get stats on opens, clicks, and unsubscribes

Simple, predictable pricing

From $50/month

A transparent, pay-as-you-go model with no hidden fees. All core features—API access, unlimited templates, integrations, real-time tracking, and support—are included. Scale effortlessly as your usage grows, and pay only for what you actually send.

Everything included

  • Unlimited API requests
  • All integrations included
  • Real-time analytics
  • Template management
  • Contact segmentation
  • 24/7 support
From $50/month
Pay only for what you send

Works with your favorite services

Connect any integration — from SMTP to global messaging providers.

Twilio
Twilio
SMTP
SMTP
Mailgun
Mailgun
Plivo
Plivo
SendGrid
SendGrid
Custom
Custom API