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The resource represents an offer search. This method returns a list of construction financing offers that correspond to the given financing terms query parameters.

GET /financing/construction/v2/offer/

Supported media types:

Note The PAngBV (Preisangabenverordnung) requires that you need to provide the following data when displaying an offer: effective and nominal interest rates, monthly rate, remaining debt after fixed interest termination (Ablauf der Sollzinsbindung), number of repayment rates, duration until repayment is complete and the total amount paid. You may only use this API if you display all this data.


Query Parameters

you have to provide either a geocode or postalcode:

  • geocode - GeoCode of the search region
  • postalcode - the usage of geocode is preferred, usage of postalcode leadsto bad quality of the search results

additional filter criteria:

financingtype financing type; default: "PROPERTY_PURCHASE"
dditionalCosts additional costs; default: 0
ownfunds own funds of the buyer; default: 50000
purchaseprice purchase price of the project; default: 200000
remainingDebt the remaining debt (followup financing); default:100000
propertyValue the value of the property (followup financing) default:200000
amortizationrate amortization rate; default: 2
employment employment of the buyer; default: "EMPLOYED"
fixednominalinterestrate fixed nominal interest rate; default: "TEN_YEARS"

There are three possible financingTypes:

  • PROPERTY_PURCHASE (Objektkauf)
  • FOLLOWUP_FINANCING (Anschlussfinanzierung)

If you search for followup financings, you need to provide remainingDebt and propertyValue instead of purchasePrice, additionalCosts and ownFunds.

Possible employments:

  • EMPLOYED=Angestellt
  • FREELANCER=Freiberufler
  • PENSIONER=Rentner
  • SELFEMPLOYED=Selbstst√§ndig
  • UNEMPLOYED=Arbeitssuchend


An offer allways contains a provider and its distance to the search location defined by the geoCode or the postalCode. If interest rates are found then the offer has an amortizationData object. This includes information like the remaining debt after the fixed interest rates termination, the number of monthly rates until the loan is repayed as well as the total repayment. The lastModified field contains the timestamp when the interest rates of the given provider were updated.


<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns3:offers xmlns:ns2="" xmlns:ns3="">
    <mortgageProvider id="111111" ns2:href="">
      <name>The financing partner</name>
      <logo id="222222" ns2:href="">
    <mortgageProvider id="333333" ns2:href="">
      <name>The next financing partner</name>
      <logo id="444444" ns2:href="">
        <name>The brand</name>


  "offersFound": 2,
  "offer": [{
    "amortizationData": {
      "effectiveInterestRate": 2.51,
      "nominalInterestRate": 2.18,
      "monthlyRate": 399,
      "remainingDebt": 143413,
      "totalAmountPaid": 243005,
      "numberOfRates": 255,
      "lastModified": 1458031579000
    "mortgageProvider": {
      "id": 111111,
      "href": "",
      "name": "The financing partner",
      "logo": {
        "id": 222222,
        "xLink": "",
        "url": ""
      "numberOfRatings": 500,
      "averageRating": 4.5,
      "contactAddressRequired": true
  }, {
    "amortizationData": {
      "effectiveInterestRate": 3.51,
      "nominalInterestRate": 3.18,
      "monthlyRate": 499,
      "remainingDebt": 145413,
      "totalAmountPaid": 253005,
      "numberOfRates": 275,
      "lastModified": 1458031579000

    "mortgageProvider": {
      "id": 333333,
      "href": "",
      "name": "The next financing partner",
      "logo": {
        "id": 444444,
        "xLink": "",
        "url": ""
      "numberOfRatings": 900,
      "averageRating": 4.6,
      "contactAddressRequired": false,
      "brand": {
        "id": 555555,
        "name": "The brand"