Card & Alternative Payments Integration

Processing card payments (Visa, Mastercard, American Express, UnionPay) and alternative payment channels (Airtel Money, T-Kash, Equity Bank Transfer, PesaLink) is essential for modern enterprise platforms, e-commerce applications, and mobile apps in Kenya. Integrating these systems requires understanding the local regulatory environment, security standards, and payment aggregators.

Rather than rebuilding checkout infrastructure from scratch, businesses leverage Payment Service Providers (PSPs) and aggregators. Statum’s integration consulting ensures a seamless setup, robust security, automated reconciliation, and high success rates.

Supported Payment Gateways in Kenya

Depending on your business model, customer base, and volume requirements, several leading payment service providers are available for card and mobile money processing. Below is a comparative overview of the key platforms we help integrate:

Integration Flow & Security

Integrating card payments involves exchanging sensitive financial details. We implement checkout flows that guarantee PCI-DSS compliance and high conversion rates:

• Redirect / Hosted Checkout: The customer is securely redirected to the PSP’s PCI-DSS compliant checkout page to complete the payment. After completion, they are returned to your platform. This is the simplest and most secure way to handle cards.
• Embedded Iframe / Modal: The checkout form is displayed inside an iframe or modal directly on your website. This maintains brand consistency while keeping your servers out of PCI-DSS scope.
• Direct API (Custom UI): Card details are captured directly on your custom frontend and sent securely to the gateway via tokenization. This requires strict security controls (such as secure JS SDKs) to ensure card data never hits your backend servers.

Sample Checkout Session Initiation

The code below demonstrates a typical API call structure to initiate a hosted card payment transaction session using standard REST protocols.

curl -X POST https://api.gateway-provider.com/v1/checkout \
  -H "Authorization: Bearer secret_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "amount": 5000,
    "currency": "KES",
    "email": "[email protected]",
    "reference": "TXN-789012",
    "callback_url": "https://yourwebsite.co.ke/payment/callback",
    "description": "Consulting Fee Payment"
  }'

$client = new \GuzzleHttp\Client();

$response = $client->post('https://api.gateway-provider.com/v1/checkout', [
    'headers' => [
        'Authorization' => 'Bearer secret_key_here',
        'Content-Type'  => 'application/json',
    ],
    'json' => [
        'amount'       => 5000,
        'currency'     => 'KES',
        'email'        => '[email protected]',
        'reference'    => 'TXN-789012',
        'callback_url' => 'https://yourwebsite.co.ke/payment/callback',
        'description'  => 'Consulting Fee Payment'
    ]
]);

$paymentDetails = json_decode($response->getBody()->getContents(), true);
$redirectUrl = $paymentDetails['redirect_url'];

const axios = require('axios');

axios.post('https://api.gateway-provider.com/v1/checkout', {
    amount: 5000,
    currency: 'KES',
    email: '[email protected]',
    reference: 'TXN-789012',
    callback_url: 'https://yourwebsite.co.ke/payment/callback',
    description: 'Consulting Fee Payment'
}, {
    headers: {
        'Authorization': 'Bearer secret_key_here',
        'Content-Type': 'application/json'
    }
})
.then(response => {
    const redirectUrl = response.data.redirect_url;
    window.location.href = redirectUrl;
})
.catch(error => console.error(error));

Instant Payment Notifications (IPN)

When a customer completes a card payment, the transaction status is updated asynchronously. The payment gateway sends an Instant Payment Notification (IPN) or Webhook payload to your server. Your webhook handler must listen for these requests, verify the payload signature, and update the order state inside your database.

{
    "event": "charge.success",
    "data": {
        "id": 9876543,
        "domain": "live",
        "status": "success",
        "reference": "TXN-789012",
        "amount": 5000,
        "currency": "KES",
        "gateway_response": "Successful",
        "paid_at": "2026-06-20T09:14:12Z",
        "channel": "card",
        "card": {
            "last4": "1234",
            "exp_month": "12",
            "exp_year": "2028",
            "card_type": "visa"
        }
    }
}

How Statum Optimizes Your Payment Flow

Payment failures cost businesses revenue and harm customer trust. Statum’s consultancy services ensure your integrations are bulletproof:

• Failover Architecture: Implementing secondary gateways that automatically route transactions if the primary gateway is experiencing downtime.
• Reconciliation Automation: Building scripts that sync settlement reports with your internal financial records (ERP / ledger).
• Multi-currency Management: Designing workflows that handle FX conversions and settlement to local KES accounts efficiently.
• Fraud Prevention Integration: Connecting validation layers (such as 3D Secure 2.0, IP checks, and email verification) to reduce chargeback risk.

Partner with Us for Payment Integrations

If you are looking to integrate card payments, set up multi-channel checkouts, or optimize your transaction workflows in Kenya, Statum is here to guide your engineering team. Contact our team today to learn how we can support your business integration goals.