This page covers the business domain Mortgages of the banking business area Loans.

Business Cases

The lists in the following sections show possible business cases related to the loan type Mortgages to be covered by the API.

Internal bank cases / No change of bank involved

Business cases from the customer's point of view:

Cross-bank cases / Change of bank involved

Business cases from the customer's point of view:

Bank-spanning cases / TPPs involved

Business cases from the customer's point of view:

Use Cases Categories (API view)

The use cases described in the following pages relate exclusively to the core processes of banking. This serves to get an idea of the process's services. Aspects of security and privacy are excluded at this point and will be addressed separately.

The following section shows the basic use cases categories covered by the API.

Existing Mortgages

Mortgages Application

Products & Orders

Details Special Use Cases (customer view)

In the following section, details from a customer perspective are described for:

Prolongation of a Mortgage

Prolongation of an expiring mortgage, no change in risk for the bank

Prolongation of an expiring mortgage, change in risk for the bank

Transfer Mortgage - Bank to Bank

Offering Data Interface

The existing bank makes the following data available to the new bank on request:

Remark: New bank → Receives data about properties and loans (including interest rates and mortgage certificates) and payment instructions.

Import properties and loans information

The new bank makes can receive and import the data needed for an offering:

Remark: New bank imports the data into their system to make an offering to the client.

Electronic promise to pay

An interface must be made available so that irrevocable promises to pay can be exchanged electronically from the new bank with the existing bank. On the basis of this promise to pay, the existing bank then releases the real estate lien.

Remark: Existing bank → Receives electronic promise to pay.

Interface for submission of notes

An interface is planned to ensure real estate liens can be efficiently transferred. The aim is collective custody for register-based mortgage notes and paper-based real estate liens.

Remark: Interface for register-based mortgage note distribution or address data for dispatch of paper-based mortgage notes.

Execute the payment

Based on the payment interfaces, the bank has to provide some mortgage data in the payment that the existing bank can close the business related to the payment.

Remark: Interface for register-based mortgage note distribution or address data for dispatch of paper-based mortgage notes.

Transfer Mortgage - via TPP Platform

Review mortgage offers

Apply for mortgage

Receive mortgage offer:

Repay the mortgage