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SMS API

Global messaging with carrier-grade delivery and smart routing

Send SMS, WhatsApp, Voice and Email from one platform. Deliver OTPs, alerts and mission-critical notifications with high deliverability, low latency and enterprise reliability.

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Trusted by fast-growing businesses across Africa & beyond

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Reliable delivery

Direct telco connections and advanced routing to ensure messages get through.

Intelligent routing

Automatic failover and the best path selection for each destination.

Enterprise scale

Built for high throughput, with monitoring and SLAs for mission-critical flows.

curl -X POST https://api.zeckta.com/v1/messages   -H "Authorization: Bearer YOUR_API_KEY"   -H "Content-Type: application/json"   -d '{
    "to": "+233XXXXXXXXX",
    "channel": "sms",
    "from": "ZECKTA",
    "content": "Your OTP is 123456"
  }'

Integrate SMS in minutes

Simple REST APIs, SDKs, and worked examples to get you live quickly. Use webhooks for delivery reports and scale with confidence.

Case study: 99.7% OTP delivery across primary networks in Ghana. See how clients reduce verification friction and increase conversion rates.

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Try our comprehensive SMS API

Single integration to send OTP, transactional alerts or bulk messages at scale. We provide delivery insights, compliance tools and route optimization.

Explore our SMS features

High deliverability
High deliverability

Operator-grade routes and intelligent failover to maximize delivery rates.

Multi-channel
Multi-channel

Send SMS, WhatsApp, Voice and Email from a single API.

OTP and verification
OTP and verification

Fast, secure OTP delivery with retry logic and analytics.

Real-time reports
Real-time reports

Webhooks, delivery receipts and dashboard analytics.

Global reach
Global reach

Regional POPs and direct telco connectivity with low latency.

Designed to scale
Designed to scale

High throughput guaranteed with enterprise monitoring and SLAs.

Got questions? We have answers

How fast is OTP delivery?

Typical OTP delivery is under 5 seconds to most networks, depending on carrier conditions. We use direct routes and failover to maximize speed.

Can I use one API for SMS and WhatsApp?

Yes. Zeckta Messaging supports multi-channel messaging through a unified API for SMS, WhatsApp, Voice and Email.

Do you support webhooks for delivery reports?

Yes. We provide delivery receipts and inbound message webhooks that you can consume in real time.

Is there a free trial?

Yes. Start for free with limited credits. Sign up or contact sales for larger evaluation programs.

How do you handle compliance?

We have features for opt-out management, number validation and regional compliance tools. Our routing respects local regulations.

A single API to power many use cases

OTP & 2FA

Secure verification flows for sign up and login.

Transactional alerts

Payment confirmations, receipts and fraud alerts.

Marketing messages

Promotions and personalized notifications.

Account notifications

Status updates, reminders and confirmations.

Two-way messaging

Receive replies and handle inbound flows.

International delivery

Cross-border messaging with local compliance.

The one-stop shop for all SMS services

Number validation

Reduce delivery errors with real-time number checks.

Sender ID

Register sender IDs for brand recognition and higher deliverability.

Short codes

Dedicated short codes for enterprise verification and marketing.

Webhooks

Real-time callbacks for all delivery events and inbound messages.

Start sending reliable messages today

Create an account and integrate in minutes. Need help? Our delivery experts can assist.