Built for Developers

Powerful APIs, comprehensive documentation, and SDKs to integrate SMS into your applications in minutes.

Get Started Contact Sales

Looking for detailed API documentation?

Complete endpoint reference with examples and best practices

View Full API Docs →

Two Ways to Integrate

Choose the integration method that best fits your technical requirements

HTTP REST API

Simple RESTful API for quick integration with any programming language

RESTful JSON API
Bearer token authentication (cpl_ prefix)
Webhook delivery notifications
Rate limiting: 100 req/sec
Sandbox environment included

Get API Key

SMPP Gateway

High-performance SMPP protocol for enterprise-grade throughput

SMPP v3.4 protocol
Transceiver, transmitter, receiver modes
Up to 200 TPS per connection
DLR callback support
Bulk submission optimization

Get SMPP Credentials

Quick Start Examples

curl -X POST https://api.cpl.com.ng/api/client/sms/send \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Accept: application/json" \
  -d '{
    "recipient": "+2348012345678",
    "sender_id": "CPLSMS",
    "message": "Hello from CPLSMS!"
  }'