What is SMPP (Short Message Peer-to-Peer)?

SMPP is a protocol used by telecom operators and businesses to exchange SMS messages between applications and mobile networks. It is a widely adopted standard for high-speed, reliable, and large-scale SMS delivery in both A2P (Application-to-Person) and P2P (Person-to-Person) messaging.

High Throughput: Supports sending and receiving large volumes of SMS quickly.
Real-Time Delivery: Enables instant message transfer between applications and operators.
Two-Way Messaging: Supports both sending and receiving messages.
Standardized Protocol: Ensures interoperability between different telecom networks and messaging platforms.

-Sending OTPs and transactional messages.
-Marketing and promotional SMS campaigns.
-Alerts, notifications, and reminders from businesses.
-Integration between messaging platforms and mobile networks.

A banking application uses SMPP to send OTPs to customers’ mobile phones in real-time.

SMPP: High-volume, real-time, reliable, suitable for enterprise messaging.
HTTP API: Easier to implement, suitable for low-to-medium volume messaging, web-based integration.