Primer's drop-in checkout automatically renders a card form to capture the card number, the expiry date, the CVV, and the cardholder name.

This form captures cardholder name data regardless of the processor used to authorize and capture the payment.

Before you start

This guide assumes that you know how to

Accept payments with Card

Prepare the client session

Card requires the following data to process a payment successfully. Pass the following data in the client session, or in the payment request (for manual payment creation).

Parameter NameRequiredDescription
3-letter currency code in ISO 4217 format, e.g. USD for US dollars
  1. order
Details of the line items of the order

Prepare the SDK for payments

Show Universal Checkout

Card is automatically presented to the customer when calling Primer.showUniversalCheckout.

1234567891011
try {  await Primer.showUniversalCheckout(clientToken, {    container: '#checkout-container',    options,    onCheckoutComplete({ payment }) {      console.log('Checkout complete.', payment)    },  })} catch (e) {  // handle error}
typescript
copy

Customization

Show a "Pay by card" button instead of the form

By default, the card form is automatically displayed on the first scene.

You can replace it by a "Pay by card" button. Clicking on it will show the card form on another scene.

123456
const options = {  /* Other options ... */  card: {    preferredFlow: 'DEDICATED_SCENE' // Show the card form on a separate scene  }}
typescript
copy

card.preferredFlow can be DEDICATED_SCENE or EMBEDDED_IN_HOME.

Check the customization guide to learn how to customize payment method buttons.

123456789101112131415
const options = {  /* Other options ... */  style: {    paymentMethodButton: {      background: string,      borderRadius: number | string,      boxShadow: string,      borderColor: string,      height: number,      primaryText: TextStyle,      logoColor: logoColor,      marginTop: string,    },  },}
typescript
copy
Change input placeholders

You can change the placeholders of the card number, expiry date and cvv field.

1234567891011121314
const options = {  /* Other options ... */  card: {    cardNumber: {            placeholder: "Custom placeholder,        },        expiryDate: {            placeholder: "Custom placeholder,        },        cvv: {            placeholder: "Custom placeholder,        },  }}
typescript
copy
Filter card networks

By default, the drop-in checkout allows the user to pay with any card networks.

Pass orderedAllowedCardNetworks in the client session to specify which card networks the user is allowed to pay with:

123456
// POST /client-session{    "paymentMethod": {        "orderedAllowedCardNetworks": ["VISA", "CARTES_BANCAIRES", "MASTERCARD"]    }}
json
copy

Learn more about orderedAllowedCardNetworks in the API Reference.

Hide the cardholder name field

By default, the card form asks the user to enter the cardholder name.

This field can be hidden by setting the option card.cardholderName.visible to false:

123456789
await Primer.showUniversalCheckout({    // ... other options
    card: {        cardholderName: {            visible: false,        }    }})
typescript
copy

Some processors such as Adyen have low authorization rate when the cardholder name is not captured.

We encourage you to check the expectations of your processor before going live.

Go live

You don’t need to do anything particular to go live — just make sure to use production credentials.