SMS API India for OTP, Transactional & Bulk Messaging
PingDart SMS API helps businesses send OTPs, transactional alerts, promotional campaigns, and bulk SMS messages through a developer-friendly API. Whether you are building a SaaS product, e-commerce store, fintech app, school portal, healthcare platform, or internal business tool, PingDart gives you fast SMS delivery, DLT-ready messaging, delivery reports, and simple integration.
100%
Delivery Guarantee
190+
Countries Covered
10k+/s
Peak Throughput
< 2s
Avg. Latency
Reliable SMS API for
Indian Businesses.
Indian businesses need SMS delivery that is fast, compliant, and easy to integrate. PingDart SMS API is designed for OTP verification, account alerts, order updates, appointment reminders, payment notifications, and promotional communication.
Our platform complies fully with TRAI regulations and DLT guidelines. We route your messages through direct telecom links to ensure your customers receive their verification codes and alerts without delays.
Optimized India Routes
Direct Telecom Peering
Connected directly to Tier-1 operators (Airtel, Jio, Vi, BSNL) for instant delivery.
Automatic DLT Scrubbing
Pre-registered templates mean your SMS passes TRAI check instantly.
Smart Fallback Route
If a carrier has a sudden spike or delay, traffic auto-routes to another gateway.
Choose the right SMS
for your use case.
From one-time passwords to mass marketing campaigns — PingDart supports every SMS workflow your business needs at any scale.
OTP SMS
Deliver one-time passwords in under 2 seconds. Trusted by banks, fintech, and e-commerce for secure user authentication.
- Sub-2s delivery guaranteed
- Voice OTP fallback
- 99.8% success rate
- Auto-retry logic
Transactional
Send banking alerts, booking confirmations, and system notifications 24/7, bypassing DND restrictions entirely.
- 24/7 delivery, no DND block
- Real-time delivery reports
- DLT template approved
- SMPP connectivity
Promotional
Reach millions of opted-in customers with marketing offers, product launches, and re-engagement campaigns at scale.
- Bulk scheduling & automation
- Smart template manager
- Campaign-level analytics
- Opt-out handling
International
Send SMS globally with local carrier peering, transparent per-country pricing, and enterprise delivery guarantees.
- Direct carrier routes
- Local sender IDs per country
- Transparent rate card
- Enterprise SLA
Send your first SMS
in 3 steps.
No complex setup, no hardware, no minimum spend. Get started in minutes with our self-serve portal.
Step 01
Create your API key
Sign up for free and generate your API key from the dashboard. No credit card required to start.
Step 02
Integrate the SDK
Use our REST API or one of 6 official SDKs. Send your first OTP in under 5 lines of code.
Step 03
Monitor & scale
Track delivery rates, latency, and costs in real-time from the admin dashboard. Scale to millions with zero config changes.
TRAI-approved,
No DLT headaches.
Why waste days registering for DLT? PingDart allows you to send instantly using our pre-approved global entity and verified sender IDs. Zero wait time.
Use Our Approved DLT
Skip the bureaucracy entirely. Run your campaigns instantly using PingDart's pre-approved, verified DLT templates.
Sender ID Management
Manage multiple approved sender IDs for different SMS types from a single dashboard with bulk template upload.
Real-Time Delivery Reports
Get per-message delivery status, timestamp, and carrier acknowledgment instantly via webhook or the portal.
Two-Way SMS (Inbound)
Receive replies, confirmed opt-outs, and user responses through dedicated long codes or shortcodes.
Instant API Setup
Get your key and send your first SMS in under 2 minutes. No paperwork, no waiting.
Enterprise Security
AES-256 encryption at rest and in transit. SOC 2‑ready infrastructure with full audit logs.
Analytics Dashboard
Real-time campaign analytics, hourly delivery trends, and per-carrier breakdown.
Contact Management
Manage subscriber lists, opt-outs, and segments directly within the portal.
Multi-Language SDKs
Official SDKs for Node.js, Python, PHP, Java, and Go with full TypeScript support.
Voice OTP Fallback
Auto-fallback to a voice call when SMS fails — ensuring maximum OTP success.
Auto Retry Logic
Messages are automatically retried on alternative routes if the primary carrier fails.
Geo-Routing
Route messages through the nearest carrier node to minimize latency and maximise delivery.
Direct Carrier Connectivity
24 CarriersDirect peering with India's top 6 telecom operators and 18 international carriers for bypass routing and maximum deliverability.
SMPP Protocol Support
v3.4 / v5.0High-throughput SMPP connectivity for enterprise clients needing 10,000+ messages per second with guaranteed session.
Platform Uptime SLA
99.95%Our SMS infrastructure is load-balanced across 3 data centres in India and Singapore with automatic failover.
Delivery Speed
< 1.8s avgOur routing engine selects the optimal carrier in under 50ms, resulting in an average end-to-end delivery of 1.8 seconds.
Built for
mission-critical scale.
PingDart's SMS infrastructure is purpose-built for enterprise reliability — not just volume. Every component is redundant, every route monitored, and every message tracked end-to-end.
| Feature | PingDart SMS API | Traditional SMS Provider |
|---|---|---|
| API Integration | REST API + SDKs | Often manual or limited |
| OTP Support | Yes | Sometimes |
| Delivery Reports | Real-time | Delayed or basic |
| DLT Templates | Supported | Manual process |
| Developer Dashboard | Yes | Limited |
| Webhooks | Yes | Often unavailable |
| Pricing | Pay-as-you-use | Bulk packs or expiry credits |
Full visibility into
every message sent.
The PingDart admin dashboard gives you real-time stats, campaign monitoring, carrier-level analytics, and per-message delivery tracking in one unified view.
1,24,850
Messages Sent Today
99.7%
Delivery Rate
38
Active Campaigns
312
Failed Messages
4.2M
API Calls (24h)
1.8s
Avg. Delivery Time
Recent Message Log
Live — updating every 5 seconds
| Recipient | Type | Route | Delivery Time | Status |
|---|---|---|---|---|
| +91 98765 XXXXX | OTP | Premium | 0.9s | Delivered |
| +91 87654 XXXXX | Transactional | Standard | 1.2s | Delivered |
| +91 76543 XXXXX | Promotional | Bulk | — | Pending |
| +44 7911 XXXXXX | OTP | International | 2.1s | Delivered |
| +1 415 XXXXXXX | Transactional | International | 1.7s | Delivered |
Better delivery.
Better pricing.
See how we stack up against legacy cloud communication platforms like Twilio, MessageBird, and Sinch.
| Feature | PingDart | Twilio / Others |
|---|---|---|
Carrier Routing Direct routing ensures lower latency and higher delivery rates. | Direct (Zero Hop) | Aggregator (1-3 Hops) |
Pricing Transparency No surprise carrier fees at the end of the month. | Flat, No Hidden Fees | Variable + Carrier Surcharges |
Dedicated Local Support Enterprise support included by default for all users. | Yes, 24/7 Free | Paid Support Tiers |
DLT Registration Assistance No need to register your own DLT. Instantly route via our verified templates. | Zero Hassle (Use Ours) | Self-Serve Only |
Minimum Monthly Spend Pay strictly for the messages that are successfully delivered. | None ($0) | Often Required for Deals |
Inbound SMS Receive replies without paying extra per incoming message. | Free on Longcodes | $0.0075 / message |
SMS API Integration for Developers.
Developers can integrate PingDart SMS API using REST API or SDKs. Use API keys, sender IDs, DLT templates, and webhooks to send and monitor messages from your application.
fetch("https://api.pingdart.com/v1/sms/send", {
method: "POST",
headers: {
"Authorization": "Bearer YOUR_API_KEY",
"Content-Type": "application/json"
},
body: JSON.stringify({
to: "+919876543210",
message: "Your OTP is 482910. Valid for 5 minutes.",
sender_id: "PINGDT",
type: "transactional"
})
});No bulk packs.
Pay only for delivery.
No rigid bulk SMS packs. No minimums. Top up any amount and strictly pay-as-you-go. Avoid expiring credits and only pay for successfully delivered messages. Prices shown in USD ($).
OTP SMS
- < 2s delivery
- 99.8% success rate
- Voice OTP fallback
- Webhook delivery reports
Transactional
- 24/7, no DND block
- Real-time delivery
- DLT template support
- SMPP connectivity
Everything you need to know.
What is SMS API?
An SMS API allows applications to send SMS messages automatically for OTP, alerts, notifications, and campaigns.
Can I send OTP SMS using PingDart?
Yes, PingDart supports OTP SMS delivery for login, signup, password reset, and transaction verification.
Does PingDart support DLT templates?
Yes, PingDart supports DLT-ready SMS workflows for Indian business messaging.
Can I send bulk promotional SMS?
Yes, businesses can send promotional bulk SMS campaigns to opted-in users.
Does PingDart provide delivery reports?
Yes, PingDart provides delivery reports and webhook-based message status updates.