Developer-First Messaging Platform

Send Transactional Email and WhatsApp Messages from a Single Platform

Build reliable notifications, OTPs, alerts, invoices, receipts, and customer communications using powerful APIs, webhooks, and automation workflows.

Designed for developers. Built for businesses. Powered by reliable delivery infrastructure.

REST API
TypeScript SDK
Webhooks
Docker Ready
Multi-Tenant
OpenAPI

One SDK. Every Channel.

Integrate powerful messaging capabilities with just a few lines of code.

Email API
send-email.ts
import { ChatPulse } from 'chatpulse';

const cp = new ChatPulse('cp_live_123');

await cp.emails.send({
from: 'Acme <hello@acme.com>',
to: ['user@example.com'],
subject: 'Your receipt from Acme',
html: '<h1>Thank you!</h1>',
tags: ['receipt', 'q3']
});
WhatsApp API
send-whatsapp.ts
import { ChatPulse } from 'chatpulse';

const cp = new ChatPulse('cp_live_123');

await cp.whatsapp.messages.send({
sessionId: 'sess_abc123',
to: '+1234567890',
type: 'template',
template: {
name: 'otp_verification',
components: [ ... ]
}
});

Powerful Messaging Infrastructure

Everything you need to build scalable notification systems.

Unified Messaging API

Send Email and WhatsApp messages from a single platform.

Transactional Delivery

OTP, invoices, password resets, alerts, notifications, and receipts.

Developer Experience

TypeScript SDKs, OpenAPI specs, examples, and webhook testing.

Webhooks

Delivery, bounce, read, click, and failure events in real time.

Email Infrastructure

Domains, DKIM, SPF, SMTP, queues, and analytics.

WhatsApp Infrastructure

Sessions, templates, delivery tracking, and automation.

Automation Engine

Trigger workflows from API calls, webhooks, or scheduled events.

Enterprise Security

API keys, audit logs, RBAC, quotas, and monitoring.

Platform Architecture

Your Application
ChatPulse API
Email Infrastructure
WhatsApp Infrastructure
Webhooks
Your Application

Business Use Cases

Built for scale and critical communications.

OTP DeliveryOrder UpdatesPayment NotificationsInvoice DeliveryCustomer AlertsAppointment Reminders

Simple, Transparent Pricing

Pay for what you use, or scale with a dedicated platform plan.

Developer

Perfect for integrating APIs and scaling usage.

Pay-as-you-go
  • API Usage based pricing
  • 100,000 Emails / month free
  • Standard WhatsApp rates
  • Community Support
  • Basic Analytics

Business

For teams that need the dashboard, flows & platform tools.

Platform Plans
  • Everything in Developer
  • Visual Automation Flow Builder
  • Multi-Agent Inbox Dashboard
  • Advanced Role-based Access (RBAC)
  • Priority SLA Support