Interactive Reference API
The interactive reference API gives the appraiser full flexibility on finding the right reference objects based on multiple variables, comparables and strict functions.
post
https://api.altum.ai
/interactive-reference
Interactive Reference API

Housetype

Possible inputs: 'Vrijstaande woning', 'Vrijstaande recreatiewoning', '2 onder 1 kap woning', 'Geschakelde 2 onder 1 kapwoning', 'Geschakelde woning', 'Tussen/rijwoning', 'Tussen/rij doelgroepwoning', 'Hoekwoning', 'Eindwoning', 'Galerijflat', 'Portiekflat', 'Corridorflat', 'Maisonnette', 'Benedenwoning', 'Bovenwoning', 'Portiekwoning'
Expand for alle possible housetype values output

Comparable functions

  • 0 = all possible matches
  • 1 = comparable
  • 2 = comparable + better and lesser

Comparable housetype single-family home

Matrix house-type single-family home
Vrijstaande woning
2-onder-1-kapwoning
Geschakelde 2-onder-1-kapwoning
Geschakelde woning
Halfvrijstaande woning
Tussenwoning
Hoekwoning
Eindwoning
Vrijstaande woning
Comparable
Better
Better
Much better
Better
Much better
Much
Much better
2-onder-1-kapwoning
Lesser
Comparable
Comparable
Better
Comparable
Better
Better
Better
Geschakelde 2-onder-1-kapwoning
Lesser
Comparable
Comparable
Better
Comparable
Better
Better
Better
Geschakelde woning
Much less
Lesser
Lesser
Comparable
Better
Comparable
Comparable
Comparable
Halfvrijstaande woning
Lesser
Comparable
Comparable
Comparable
Comparable
Better
Better
Better
Tussenwoning
Much less
Much less
Lesser
Lesser
Lesser
Comparable
Lesser
Comparable
Hoekwoning
Much less
Lesser
Lesser
Lesser
Lesser
Better
Comparable
Comparable
Eindwoning
Much less
Lesser
Lesser
Lesser
Lesser
Comparable
Comparable
Comparable

Comparable housetype appartments

Matrix house-type apartments
Galerijflat
Portiekflat
Corridorflat
Maisonnette
Benedenwoning
Bovenwoning
Portiekwoning
Galerijflat
Comparable
Comparable
Comparable
Lesser
Lesser
Comparable
Lesser
Portiekflat
Comparable
Comparable
Comparable
Lesser
Lesser
Comparable
Lesser
Corridorflat
Comparable
Comparable
Comparable
Lesser
Lesser
Comparable
Lesser
Maisonnette
Better
Better
Better
Comparable
Comparable
Lesser
Comparable
Benedenwoning
Better
Better
Better
Comparable
Comparable
Comparable
Comparable
Bovenwoning
Comparable
Comparable
Comparable
Better
Comparable
Comparable
Comparable
Portiekwoning
Better
Better
Better
Comparable
Comparable
Comparable
Comparable

Comparable surface area and build year

For inner- and outer surface area
  • Much better >20%
  • Better >10%
  • Comparable <10% - >10%
  • Lesser <10% - >10%
  • Much less <20%
Build year
  • Much better 20 years newer
  • Better 10 years newer
  • Comparable >10 years newer and <10 years older
  • Lesser <10 years older
  • Much less <20 years older

Comparable distance

For distance to target object
  • 0: search within the entirety of The Netherlands
  • 1: search within a maximum radius of 1 kilometers
  • 2: search within a maximum radius of 5 kilometers

Date limit

In order to give preference to more recent transacted properties it is possible to add the optional input "date_limit" to search from 6 up to 60 months in the database for finding reference objects.