Get Masterpass Installment Selection Page context

Returns the available installment options for the Masterpass flow. Installments are derived from the card identified in the previous step and filtered by the active installment filter rules.

Preconditions:

• Basket must not be empty

• Card information must have been entered (MasterpassBinNumberPage must have been completed)

• Payment option must be of Masterpass type

Page Context:

• installments: List of available installment options for the resolved card. Each entry contains pk, installment_count, label, price_with_accrued_interest, and monthly_price_with_accrued_interest calculated against the current unpaid basket amount.

• card_type: Card type details (name, slug, logo), derived from the resolved card's card type.

• installment_messages: List of informational strings returned by the installment filter service (e.g. filter messages or promotion notices).

Step Completion: This page is considered already completed when both of the following are true:

• An installment has been selected, and

• The selected payment option is of Masterpass type.

available_for_post_order: true

get

Header parameters

x-requested-withstring · enumRequired

Required header for AJAX requests. Must be set to XMLHttpRequest for all checkout requests.

Default: XMLHttpRequestPossible values:

CookiestringOptional

Session cookie header (e.g. sessionid=abc123 or osessionid=<session_id>)

Responses

200

Masterpass installment selection page context retrieved

application/json

errorsone of · nullableOptional

or

string[]Optional

template_namestringOptional

get/orders/checkout/?page=MasterpassInstallmentPage

GET /orders/checkout/?page=MasterpassInstallmentPage HTTP/1.1
Host: sandbox.akinon.com
x-requested-with: XMLHttpRequest
Accept: */*

200

Masterpass installment selection page context retrieved

{
  "context_list": [
    {
      "page_name": "MasterpassInstallmentPage",
      "page_slug": "masterpassinstallmentpage",
      "page_context": {
        "installments": [
          {
            "pk": 1,
            "installment_count": 1,
            "label": "Single Payment",
            "price_with_accrued_interest": "159.99",
            "monthly_price_with_accrued_interest": "159.99"
          },
          {
            "pk": 2,
            "installment_count": 3,
            "label": "3 Installments",
            "price_with_accrued_interest": "165.59",
            "monthly_price_with_accrued_interest": "55.20"
          }
        ],
        "card_type": {
          "name": "Master",
          "slug": "master",
          "logo": "https://cdn.akinon.com/logos/master.png"
        },
        "installment_messages": []
      }
    }
  ],
  "pre_order": {
    "payment_option": {
      "pk": 5,
      "slug": "masterpass",
      "payment_type": "masterpass"
    },
    "card_info": {
      "bin_number": "542119",
      "card": {
        "pk": 1,
        "name": "Master"
      }
    },
    "installment": null
  },
  "errors": [],
  "template_name": "orders/checkout.html"
}