WhatsApp Business API • Ghana

The WhatsApp API
built for SMS Resellers

Expand your SMS platform with WhatsApp in minutes. One API, instant QR onboarding, GHS 0.15 per message — no monthly fees.

GHS 0.15
Per message
< 5 min
To integrate
REST API
Simple & fast
Works with
MTN MoMo
Telecel Cash
AirtelTigo
SMS Platforms
USSD Services
WhatsApp Business
How it works

Integrate WhatsApp in 3 steps

No complex setup. No monthly contracts. Sign up, top up with MoMo, start sending.

Step 01

Sign up & get your API key

Create your reseller account in 60 seconds. Your API key is generated instantly — no manual approval needed.

Authorization: Bearer sp_partner_xxx
Step 02

Connect your users' WhatsApp

Call session_create, get a base64 QR image, show it in your app. User scans once — connected forever.

GET session_qr → base64 QR image
Step 03

Send messages & media

Text = 1 credit. Images, video, PDFs, audio = 2 credits. Failed sends are automatically refunded to your account.

POST send → {"status":"sent"}
Features

Everything your platform needs

Built for Ghana's SMS resellers who want WhatsApp without the complexity.

Instant QR onboarding

Base64 QR code via API. Embed anywhere. Users scan once and stay permanently connected to your platform.

Text & rich media

Send text (1 credit), images, video, PDFs and audio (2 credits) from one endpoint.

Isolated sessions

Every end-user gets their own session keyed to your own user ID. Fully isolated and independent.

MoMo top-up

Buy credits via MTN MoMo, Telecel Cash or AirtelTigo. Credited instantly when payment confirms.

Live dashboard

All connected numbers, sessions, message logs, credit balance and API usage in real time.

Webhook callbacks

Instant POST notifications when users connect, disconnect or messages fail. Set a URL in your dashboard.

Bulk messaging

Reach thousands of customers at once

Loop through your contacts and send personalised WhatsApp messages via our API. Order updates, promotions, reminders — delivered in seconds.

Instant delivery
Messages reach customers in under 3 seconds
Personalised at scale
Insert name, order ID, amount — per contact
Any message type
Text, images, PDFs, audio — all supported
Why resellers choose us

Built for Ghana's messaging market

We understand how Ghana's SMS reseller industry works. Built for your stack, priced for your market.

GHS 0.15
Per message, all types
99.9%
VPS uptime SLA
< 3s
Avg. delivery time
Auto
Credit refunds on fail
Real-time message delivery
Messages delivered in under 3 seconds via your users' connected WhatsApp numbers.
Full whitelabel control
Your brand, your platform. QR delivered as base64 — embed it anywhere you want.
Pay only for what you use
No subscription, no minimum. GHS 0.15/msg. Top up via MoMo anytime.
Automatic refunds on failure
If a message doesn't deliver, credits are instantly returned. No support ticket needed.
Pricing

One flat rate. No surprises.

No monthly fees. No minimums. Credits never expire.

GHS 0.15
per message — text or media — no exceptions
No monthly fees
Credits never expire
Auto-refund on fails
Instant MoMo top-up
100
messages
GHS 15
500
messages
GHS 75
Most popular
2,000
messages
GHS 300
10,000
messages
GHS 1,500

All packages at GHS 0.15/msg • Instant activation after MoMo payment • Credits carry over forever

API Reference

Clean REST API.
Live in minutes.

1
Bearer token auth

Every request: Authorization: Bearer sp_partner_xxx. Your key lives in your dashboard.

2
Single endpoint

All calls go to /partner_api.php. Switch between actions using the action field.

3
JSON in, JSON out

Send a JSON body. Get back clean JSON with delivery status, credits used, and remaining balance.

4
Auto credit refunds

Failed sends instantly return credits to your account. No manual requests, no delays.

Get your API key →
cURL
JavaScript
PHP
# Send a WhatsApp message
curl -X POST "https://reseller.cinivestsys.com/partner_api.php" \
  -H "Authorization: Bearer sp_partner_xxx" \
  -H "Content-Type: application/json" \
  -d '{"action":"send","session_id":"ps_xxx","to":"233241234567","message":"Hello!"}'

# Response
{"status":"sent","credits_used":1,"credits_remaining":499}

Ready to add WhatsApp
to your platform?

Join Ghana's SMS resellers. Free to sign up. GHS 0.15 per message.