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Hosted Checkout Integration Guide

This documentation outlines the steps for third-party developers to integrate with our Frontpayment Hosted Checkout system. This system provides a seamless payment experience for your users, offering various payment methods and invoice options.

Step 1: Create a Payment Link

To initiate a payment, your system will need to call our create endpoint to generate a payment link. This link will redirect your users to our secure hosted checkout page.

Endpoint

POST https://demo-api.frontpayment.no/v1/connect/hosted/orders/payment-link/create

Authentication

This endpoint requires a Bearer Token for authentication. You will need to obtain this token from Frontpayment and include it in the Authorization header of your request.

Example Authorization Header: Authorization: Bearer YOUR_FRONTPAID_BEARER_TOKEN

Request Payload

The request body should be a JSON object containing details about the order, customer, and callback URLs.

{
  "products": [
    {
      "name": "Router",
      "productId": "R_1",
      "quantity": "1",
      "rate": 5,
      "discount": 0,
      "tax": "0",
      "amount": 5
    }
  ],
  "orderSummary": {
    "subTotal": "5",
    "totalTax": "0",
    "totalDiscount": "0.00",
    "grandTotal": "5"
  },
  "orderDate": "1756278578",
  "dueDateForPaymentLink": "1756278578",
  "customerDetails": {
    "countryCode": "+47",
    "msisdn": "46567468",
    "email": "[email protected]",
    "name": "John Doe",
    "personalNumber": null,
    "preferredLanguage": "no",
    "address": {
      "street": "Klosterenget 144",
      "zip": "7030",
      "city": "Trondheim",
      "country": "NO"
    }
  },
  "checkoutLanguage": "en",
  "referencesNo": null,
  "customerNotes": null,
  "callback": {
    "callbackUrl": "https://your-callback-url.com/callback?order_identifier=rRbl1FWZG59o&order_status=failed",
    "success": "https://your-site-url.com/?order_identifier=rRbl1FWZG59o&order_status=success",
    "failure": "https://your-site-url.com/?order_identifier=rRbl1FWZG59o&order_status=failed"
  }
}

Validation Rules

Ensure your payload adheres to the following validation rules:

Field Type Description
products.*.name string Required. Name of the product.
products.*.productId string Optional. Unique identifier for the product.
products.*.quantity numeric Required. Quantity of the product.
products.*.rate numeric Required. Rate per unit of the product.
products.*.discount numeric Optional. Discount applied to the product.
products.*.tax numeric Required. Tax rate (e.g., 0, 12, 15, 25). Unless you have other configuration.
products.*.amount numeric Required. Total amount for the product line item.
orderSummary.subTotal numeric Required. Subtotal of all products before tax and discount.
orderSummary.totalTax numeric Required. Total tax for the order.
orderSummary.totalDiscount numeric Required. Total discount for the order.
orderSummary.grandTotal numeric Required. Grand total of the order.
orderDate string Required. Unix timestamp for the Date of the order, which must be current or future date.
dueDateForPaymentLink string Required. Unix timestamp for the due date of the payment link.
customerDetails.countryCode string Required. Country code for the customer's phone number (e.g., "+47").
customerDetails.msisdn string Required. Mobile Subscriber ISDN Number (phone number).
customerDetails.email email Required. Customer's email address.
customerDetails.name string Required. Customer's full name.
customerDetails.personalNumber string Optional. Customer's personal identification number, must be 11 characters.
customerDetails.preferredLanguagestringOptional. Customer preferred language. Available languages are en,no,sv,da,de. If nothing is given it will set default to no.
customerDetails.address.street string Optional. Street address of the customer.
customerDetails.address.zip string Optional. Zip code of the customer's address.
customerDetails.address.city string Optional. City of the customer's address.
customerDetails.address.country string Optional. ISO Alpha-2 country code (e.g., "NO"). Custom validation IsoAlpha2Country applies.
checkoutLanguagestringOptional. Customer checkout page language. Available languages are en,no,sv,da,de. If nothing is given it will set default to no.
referencesNo string Optional. Any reference number for the order.
customerNotes string Optional. Any notes from the customer.
callback.callbackUrl url Required. The URL we will notify upon payment status changes.
callback.success url Required. The URL to redirect the user to if the payment is successful.
callback.failure url Required. The URL to redirect the user to if the payment fails.
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Response

A successful request will return a 201 Created status with the following JSON payload:

{
  "status_code": 201,
  "status_message": "OK",
  "message": "Payment Link Created Successfully",
  "is_data": true,
  "data": {
    "orderUuid": "ODR344175661",
    "customerUuid": "CSRT197366289",
    "paymentUrl": "https://demo.frontpayment.no/order/hosted/ODR344175661/checkout"
  }
}

The paymentUrl in the response is crucial for the next step.

Step 2: Redirect to the Payment Page

After successfully creating a payment link, your system should redirect your user to the paymentUrl received in the response from Step 1. This will take your user to our secure hosted checkout page, where they can complete the payment.

Payment Options

On the hosted checkout page, users will be presented with two primary payment options:

1. Payment Methods (Vipps, Google Pay, Visa, Mastercard)

If the user selects one of the standard payment methods:

  • They will be redirected to a secure payment page where they can enter their credentials (e.g., card details, mobile payment app details).
  • Upon successful completion of the payment, the user will be redirected to the Frontpayment success page.
  • This success page will feature a prominent "Back To Site" button. Clicking this button will redirect the user back to your system, using the callback.success URL you provided in the initial request.

2. Pay By Invoice

If the user chooses the "Pay By Invoice" option:

  • They will be redirected to a Bank ID verification page to verify their identity.
  • Upon successful Bank ID verification, a credit check will be performed in the background by Frontpayment.
  • If the credit check yields a positive score, the user will proceed to a document signing flow to finalize the invoice agreement.
  • Once the document is signed, an invoice will be created, and the user will be redirected to the Frontpayment success page.
  • Similar to the payment methods flow, this success page will also include a "Back To Site" button, which will redirect the user back to your system via the provided callback.success URL.

Notifications via Callback URL

Go To Notication Via Callback Url Page

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