DualCart

Integration Examples

Your customers will love our compliant no-cost payment option. No surcharge required. Software automatically builds in the card fee.

Try it!

One-Time Payment

3 lines

Accept a single payment with just a few lines of code. Perfect for products, services, or donations.

$99.99

Product Purchase

RRPay.init('pk_test_demo123');

RRPay.createButton('#pay-button', {
  amount: 99.99,
  description: 'Product Purchase'
});

No-Cost Processing

compliant

Compliant dual pricing automatically builds the card fee into the price. No surcharge required.

Choose payment method

// Merchant sets their price: $100
// No-Cost mode adds 4% automatically

RRPay.createButton('#btn', {
  amount: 100,
  noCostProcessing: true  // $104 charged
});

Subscription

with trial

Create recurring subscriptions with optional free trials. Weekly, monthly, yearly, or custom intervals.

$29.99/month

14-day free trial

RRPay.createSubscriptionButton('#btn', {
  amount: 29.99,
  interval: 'month',
  trialDays: 14
});

Weekly Billing

Perfect for services that bill on a weekly basis. Easy to set up with the interval option.

$9.99/week

Weekly Service

RRPay.createSubscriptionButton('#btn', {
  amount: 9.99,
  interval: 'week'
});

Custom Interval

Need billing every 2 weeks? Quarterly? Every 6 months? Use intervalCount for custom cycles.

$79.99/quarter

Every 3 months

RRPay.createSubscriptionButton('#btn', {
  amount: 79.99,
  interval: 'month',
  intervalCount: 3  // Every 3 months
});

Monthly vs Annual

toggle

Let customers choose between monthly and annual billing with a discount for annual plans.

Monthly

AnnualSave 17%

$29.99/month

Billed monthly

let isAnnual = false;

function toggleBilling() {
  isAnnual = !isAnnual;
  const config = isAnnual
    ? { amount: 299, interval: 'year' }
    : { amount: 29.99, interval: 'month' };
  RRPay.createSubscriptionButton('#btn', config);
}

With Setup Fee

Charge a one-time setup fee along with the recurring subscription amount.

$49.99/month

+ $99 setup fee

RRPay.createSubscriptionButton('#btn', {
  amount: 49.99,
  interval: 'month',
  setupFee: 99.00
});

Custom Button

async/await

Use your own button design and trigger checkout programmatically with async/await.

async function pay() {
  const result = await RRPay.checkout({
    amount: 19.99,
    description: 'Custom checkout'
  });
  console.log('Paid!', result);
}

Earn Residual Income

Compliant Dual Pricing Made Easy