High-Throughput Notification Infrastructure for High-Scale Teams
Deliver Email, SMS, WhatsApp, and Real-Time In-App notifications with 100% atomic idempotency, automated multi-provider failover, and transparent audit tracing.
Free during private beta. No credit card required.
Omni-Channel Architecture
One standard API. Every critical customer channel.
Postal & Custom SMTP
Automated DKIM / SPF / DMARC generation with full custom domain support, bounce handling, and complaint tracking.
SMS & OTP Delivery
High-priority transactional SMS routing via Twilio and Fast2SMS with instant carrier fallback and delivery receipts.
WhatsApp Business API
Send approved interactive templates, media notifications, and quick-reply authentication codes seamlessly.
Real-Time In-App & SSE
Live Server-Sent Events stream notifications straight into your web or mobile app inbox with zero WebSocket overhead.
import { GNSClient } from '@iitd/gns-sdk';
const gns = new GNSClient({ apiKey: process.env.GNS_API_KEY });
await gns.send({
to: 'user@example.com',
channel: 'email',
template: 'security-alert',
variables: { location: 'San Francisco, CA', device: 'Chrome on Mac' },
idempotencyKey: 'sec_alert_user_9842',
});Idempotent Transactional Outbox
Prevent duplicate delivery under network retries. Atomic SQL claims guarantee every notification is delivered exactly as intended.
Custom Sending Domains
Protect deliverability by sending from your brand domain. Automated DKIM, SPF, and DMARC verification built directly into the console.
Real-Time Delivery Tracing
Track full delivery lifecycle events (enqueued, dispatched, delivered, bounced) with sub-second audit logging.