Bulk SMS Service | OneService Communications

Reach Every Customer, Instantly.

Cameroon's leading Bulk SMS and SMS API provider — send OTPs, alerts, and marketing campaigns to any network, nationwide, in seconds.

Nationwide Network Reach Developer-Ready API Real-Time Delivery Reports
#1

Bulk SMS Provider in the South West Region

<5s

Average Message Delivery Time

All

Local Networks Supported

24/7

API Uptime & Platform Access

Why OneService

Built for businesses that can't afford to be late

From a modest start as a startup, we've grown into one of the leading SMS API and bulk SMS providers in the South West — and we're gradually expanding across Cameroon.

Reliable Delivery

Messages route through multiple network gateways so your SMS lands even during peak traffic hours.

Developer-Friendly API

A simple REST API with clear documentation — plug SMS alerts, OTPs, and notifications straight into your app.

Real-Time Reports

Track sent, delivered, and failed messages live on your dashboard, with exportable delivery logs.

Scheduled Campaigns

Queue promotions, reminders, or renewal alerts ahead of time and let the platform send them for you.

Contact List Management

Import, group, and segment your contacts so the right message reaches the right audience.

Dedicated Sender ID

Send under your own recognizable business name instead of a random number.

Use Cases

One platform, endless ways to use it

Whatever your industry, there's a message that needs to land on time.

Banking and finance SMS alerts
Banking & Finance

Transaction alerts customers actually trust

Send instant balance updates, OTPs, and fraud alerts that keep accounts secure and customers informed.

  • One-time passwords & verification codes
  • Real-time transaction notifications
  • Fraud & suspicious activity alerts
Retail and marketing SMS campaigns
Retail & Marketing

Promotions that reach customers where they are

Announce sales, restocks, and offers directly to your customer's phone — no app, no data required.

  • Segmented promotional campaigns
  • Scheduled seasonal offers
  • Loyalty & reward reminders
Healthcare appointment reminders
Healthcare

Appointment reminders that reduce no-shows

Keep patients on schedule with automated reminders for appointments, refills, and follow-ups.

  • Appointment & visit reminders
  • Medication & refill alerts
  • Health campaign broadcasts
Emergency and community alerts
Emergency & Community

Critical information, sent the moment it matters

Reach entire communities or teams instantly for outages, safety notices, or urgent updates.

  • Mass emergency broadcasts
  • Service outage notifications
  • Internal staff & team alerts
How It Works

From sign-up to sent, in four steps

Getting set up is straightforward — no long onboarding, no technical headaches.

1

Sign Up & Get Approved

Tell us about your business and expected sending volume — we set up your account and Sender ID.

2

Connect Your Contacts

Upload your contact list or connect our API directly to your app, CRM, or website.

3

Compose & Schedule

Write your message, pick your audience, and send now or schedule it for later.

4

Track in Real Time

Watch delivery status live and export reports for every campaign you run.

SMS Packages

Credit packages for every business size

Every package is scoped to your sending volume — these are starting points, not fixed limits.

Starter

For small businesses testing the waters

Pay As You Go / per SMS
  • Web portal access
  • Delivery reports
  • Basic contact groups
Request This Plan

Enterprise

For high-volume senders & integrations

Custom Pricing / negotiated
  • Everything in Business
  • Dedicated account manager
  • Priority technical support
Request This Plan
Built For Developers

Send SMS with a single API call

Skip the manual uploads. Plug our REST API straight into your app, CRM, or website and let OTPs, alerts, and notifications send themselves.

  • Simple REST endpoint, JSON in and out
  • Sandbox environment for safe testing
  • Delivery webhooks & status callbacks
  • Full documentation & integration support
Request API Access
send-sms.sh
# Send a single SMS via the OneService API
curl -X POST https://api.oneservicecommunications.com/v1/sms \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "sender_id": "OneService",
    "to": "+237681455953",
    "message": "Your OTP is 482913",
    "schedule": "now"
  }'

# Response
{
  "status": "queued",
  "message_id": "sms_9f21ab",
  "cost": 1,
  "delivery_eta_ms": 2400
}

Ready to start sending?

Tell us your volume and use case — we'll set you up with the right package within one business day.

Client Feedback

What businesses say about our platform

Illustrative feedback from the kind of businesses we serve — swap in your own verified quotes when ready.

Our OTP delivery time dropped to a couple of seconds after switching to OneService. Customers no longer complain about late verification codes.

FT
Fintech Startup
Buea, Cameroon

We scheduled our entire promotional calendar in one sitting. The reports made it easy to show our team exactly what worked.

RB
Retail Business
Douala, Cameroon

The API integration took our developer less than a day. Appointment reminders now go out automatically without anyone lifting a finger.

HC
Healthcare Clinic
South West Region
Common Questions

Bulk SMS, answered

Can't find what you're looking for? Send us a message below.

Which networks can I send to?
Our platform routes to all major mobile networks in Cameroon, so your messages reach recipients regardless of which operator they use.
How fast are messages delivered?
Most messages deliver within seconds. Delivery time can vary slightly with network congestion or message volume, but our routing is built for speed.
Can I use my business name as the sender?
Yes. Business and Enterprise packages include a custom Sender ID so recipients see your brand name instead of a random number.
Do you provide an API for developers?
Yes, we offer a straightforward REST API with documentation to help your developers integrate SMS sending directly into your app, website, or system.
Is there a minimum volume to get started?
No. You can start with the Pay As You Go plan and scale up to bulk credit bundles or a custom Enterprise plan as your sending volume grows.
Get Started

Request Bulk SMS access

Fill in a few details and our team will set up your account and reach out within one business day.

What happens next?

Once we receive your request, here's what to expect:

  • We review your use case and expected volume
  • We recommend the right package for you
  • We set up your account and Sender ID
  • You're ready to send your first campaign

Tell us about your business

All requests go directly to our Bulk SMS team.

By submitting, you agree to be contacted by OneService Communications regarding your enquiry.