A short Information in English Language
What is OpenImmo ?
OpenImmo describes real estate objects in a set of app. 300 fields.
In the Versions 1.1 to 1.2.7 it uses the XML
Data Format so it can transport all languages using UTF-8.
A new version
using RETS-API and JSON is on its way.
Objects are describes in categuries
- object categories like house, appartment, condo, business office, store etc.
- the way of marketing:
buy, rent, lease -
information line street, zip-code, place ..
information for buying and renting, several costs and real-estate-agent fees ...
- information about the square of living, storage, balconi ...
in livingroom, bath, house or commercial properties
- technical information about heating, cooling, networks ...
as the state of renovation
- administration of the building or space
- free text areas
- attachments für images, pdf, video an others
- contact information of the real estate agent
- and a group of "user_defined_extend" fields allow partners the describe and transfer
infomation that can not be found in the other fields.
cases openimmo data is send as a ZIP-Packed file (Including binary data) by a software product
to an online marketing or service portal. The transfer is mainly done
using the FTP protokoll.
- User request can be sent form portals back to software tools as an XML Feedback Attachment in an E-Mail.
Who is behind the OpenImmo Group
The OpenImmo Group was founded in 2002 as a german initiative to
build a single data standard to exchange real estate data.
It has now ( July 2020) about 35 supporting members, over 450 licence holders,
and more the 10.000 users at all.
See the list of supporting members
and licence takers
on the german website
is organiced as a non profit association under german law.
Who uses OpenImmo
The standard has has started in the german speaking Europe since 2002. Now a lot of other countrys
denmark, netherlands, belgium, france or
luxemburg cooperate with german software vendors or portals. Countys
like ungary, italy, spain an others are linked often through vacation
rentals and buying processes.
The XML Version
The version 1.0 was designed in 2002 unsing the XML Format, which was the right style at that time.
Between 2003 and 2017 seveal updates were developed. The focus was always on a high compatibility
to older versions. Data is mostly packed together with binary data into a ZIP file and then transfered
form sender (realtor softwas ) to the receiver (online portal).
The current (2019) version 1.2.7 can be downloaded
from the german website.
The element names an comments are in german language.
There will not be a pure
english version in the near future. But we provide a translation of the
fieldnames in english. This is available for individuals or companys who
get a licence key. This includes a registration key to use in the
openimmo data. You can order the license here for a one time fee of 100 Euro (No VAT applys) from the german Website.