Deliver millions of one-time passwords daily in roughly 2-5 seconds on icpaas.ai's TRAI/DLT-registered OTP gateway.
The icpaas.ai High-Volume OTP Gateway is built for authentication at scale, delivering verification codes, login confirmations and transaction passwords across India over direct operator connectivity. Whether you dispatch thousands or millions of OTPs each day, our dedicated transactional routes prioritise speed and reachability, typically placing each one-time password in the recipient's inbox within roughly 2-5 seconds.
Engineered for peak traffic and predictable performance, the gateway combines DLT-registered transactional sender IDs, approved templates and 99.9% uptime infrastructure that already handles 10M+ messages every day. With REST API, SMPP v3.4 and SDKs for major languages, icpaas.ai lets your engineering team integrate authentication quickly and trust that every critical OTP reaches the right handset on time.
Direct operator connectivity places most one-time passwords in the recipient's inbox within roughly 2-5 seconds, even at peak load.
Dedicated DLT transactional routing keeps OTP and authentication traffic separate from promotional queues for consistent, fast delivery.
Integrate over a modern REST API or SMPP v3.4 with ready SDKs for Node.js, Python, Java, PHP and Go.
We register your entity, header and OTP templates on DLT, with approvals typically completed within 24-48 hours.
Real-time delivery webhooks confirm each OTP's status so your application can trigger retries or fallbacks instantly.
Infrastructure proven at 10M+ messages daily absorbs login surges and seasonal spikes without throttling your authentication flow.
Draft message copy and DLT headers matching entity profiles.
Integrate transactional triggers inside website checkout steps.
Set up secondary gateway routes for guaranteed failover delivery.
Execute automated runs and analyze latency performance.
Join the businesses utilizing low-latency API verification and bulk messaging solutions on icpaas.ai. Talk to our team and go live this week.