Secure Messaging for Banking & Fintech

Ensure every transaction is verified instantly. The preferred SMS partner for banks, NBFCs, and digital wallets requiring bank-grade security and speed.

Financial Sector Benchmarks

256-bit
Encryption
< 2s
OTP Latency
99.999%
Uptime SLA
ISO
Certified

Mission-Critical Alerts

🔐

Two-Factor Authentication (2FA)

Secure logins and high-value transactions with our lightning-fast OTP route. Secondary backup routes ensure delivery even if one operator fails.

  • 5-second delivery guarantee
  • Global coverage
  • Voice OTP backup
💳

Transaction Alerts

Instant debit/credit notifications are mandatory. Build trust by notifying customers the moment money leaves or enters their account.

  • Real-time updates
  • Fraud prevention link
  • CustomSender ID
💸

Payment Reminders

Automate EMI and loan repayment reminders. Reduce delinquency rates by up to 30% with timely, gentle nudges.

  • Scheduled campaigns
  • Payment link embedding
  • DND compliance

Compliance First Approach

🛡️ Data Masking

Customer phone numbers can be masked in logs to ensure privacy compliance.

🔒 IP Whitelisting

Restrict API access to your specific server IPs to prevent unauthorized usage.

📜 Audit Trails

Comprehensive logs of every message sent, delivery status, and timestamp for 7 years.

✅ DLT & TRAI

We handle the complex template registration process required by Indian regulations.

⭐⭐⭐⭐⭐

"Security and uptime are non-negotiable for us. OnlineSMSService has consistently delivered 99.99% uptime over the last 2 years for our netbanking OTPs."

MK

Manish Kumar

VP Engineering, NeoFin Bank

Secure Your Communications

Switch to the most trusted gateway for financial services.

Contact Enterprise Sales