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SMS Gateway Integration for Reliable Transactional Messaging

We integrate SMS gateways for OTPs, order updates, and alerts — with delivery tracking and failover between providers for reliability.

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Overview

SMS That Actually Arrives, With Fallback When It Does Not

SMS delivery varies by carrier and region, and OTP or transactional messages that fail to arrive create real problems. We integrate SMS gateways with delivery tracking and, where appropriate, failover between providers to maximise reliability.

Why NIMU

Why Choose NIMU for SMS Gateway Integration

Multi-Provider Support

Integration with Twilio, MSG91, and other SMS gateway providers.

OTP & Verification Flows

Secure OTP generation and verification for authentication flows.

Delivery Failover

Automatic failover to a backup provider if primary delivery fails.

Delivery Tracking

Delivery status tracked and logged for every message sent.

Transactional Notifications

Order updates, alerts, and reminders sent reliably via SMS.

Regional Routing

Provider routing optimized for delivery rates in specific regions.

What's Included

What We Deliver

A comprehensive suite of capabilities packaged into every engagement.

1

SMS Gateway Integration

Integrating SMS providers for transactional and notification messaging.

2

OTP & Two-Factor Verification

Secure OTP generation and verification flows for authentication.

3

Multi-Provider Failover Setup

Automatic failover between providers to maximise delivery reliability.

4

Delivery Monitoring

Tracking and reporting on message delivery rates and failures.

How We Work

Our Delivery Process

A proven, transparent process that keeps your project on time and on budget.

1

Provider Selection

Choosing the right SMS gateway provider(s) for your regions and volume.

2

Integration Design

Planning OTP flows, notification triggers, and failover logic.

3

Development & Testing

Building and testing against real delivery scenarios.

4

Launch & Monitoring

Going live with delivery rate monitoring in place.

FAQ

Frequently Asked Questions

Everything you need to know before getting started.

We integrate with Twilio, MSG91, and other major providers, recommending the best fit based on your target regions and volume.
Yes, we can configure automatic failover to a backup provider to maximise delivery reliability for critical messages like OTPs.
Both — we build the full OTP generation, sending, and verification flow, not just the SMS dispatch.
Yes, we build delivery tracking so you have visibility into delivery rates and failures, not just that a send request was made.
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