Mortgage Offer API

• Simple – a few input parameters are sufficient, no need to fill in any forms
• Real-time answer – immediate indicative mortgage offer, no need to wait
• Indicative offer – allows realistic financial planning
• Individual offer – takes object and borrower data into consideration

What output data can I get?

• Interest cost per month
• Interest rate

What input data is required?

• Details of the object to be financed, such as type, location and market value
• Details of the borrower and the loan, such as mortgage amount, household income and equity
• Details of the desired financing structure, such as tranches, amounts, start date and duration

Some of the input parameters are optional; providing them will result in a more accurate indicative mortgage offer.

How can I use this API?

1. Evaluate Partnership

Get in touch with us, if you are interested in using this API as a key4 partner. The details are described in Getting started in the key4 ecosystem

2. Get API Credentials

Once you are a key4 partner, you will get your credentials for calling the API.

3. Call API

For details on how to call the API, please check the API reference