> For the complete documentation index, see [llms.txt](https://docs.altum.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.altum.ai/woningdata/woningkenmerken-api/authenticatie-invoer-en-resultaat.md).

# Authenticatie, invoer en resultaat

## Woningkenmerken aanvragen voor Nederlandse woningen

{% tabs %}
{% tab title="V2" %} <mark style="color:green;">`POST`</mark> `https://api.altum.ai/v2/objectdata`

#### Headers

| Naam                                        | Type   | Omschrijving                                                                    |
| ------------------------------------------- | ------ | ------------------------------------------------------------------------------- |
| x-api-key<mark style="color:red;">\*</mark> | string | Unieke API-sleutel van Altum. Maak er een via Mopsus(<https://mopsus.altum.ai>) |
| Content-Type                                | string | application/json                                                                |

#### Request Body

| Naam                                          | Type   | Omschrijving                                                                                         |
| --------------------------------------------- | ------ | ---------------------------------------------------------------------------------------------------- |
| postcode<mark style="color:red;">\*</mark>    | string | Postcode van het object                                                                              |
| housenumber<mark style="color:red;">\*</mark> | number | Huisnummer van het object                                                                            |
| houseaddition                                 | string | Huisnummertoevoeging van het object                                                                  |
| valuation\_date                               | string | Voer in als JJJJMMDD, geeft de nieuwste transactie tot die datum weer. De standaardwaarde is VANDAAG |

{% tabs %}
{% tab title="200: OK Succesvolle reactie" %}

```
{
		"bag_id": 363010000710354,
		"postcode": "1011EW",
		"housenumber": 48,
		"houseaddition": null,
		"valuation_date": "20240104",
		"city": "Amsterdam",
		"street": "Koningsstraat",
		"house_type_generic": "Huis",
		"house_type_specific": "Tussen/rijwoning",
		"type_house_construction": "Herenhuis, tussenwoning",
		"building_status": "Pand in gebruik",
		"inner_surface_area": 216.0,
		"outer_surface_area": 76.0,
		"build_year": 1906,
		"volume": 548.0,
		"rooms": 8,
		"number_of_bathrooms": 3,
		"garden_orientation": null,
		"garden_size": null,
		"garden_location": "Achtertuin",
		"monument": 0,
		"monument_description": "Geen monument / Onbekend",
		"longitude": 4.902011945627775,
		"latitude": 52.37216745876808,
		"neighbourhood_code": "BU03630404",
		"neighbourhood_name": "Nieuwmarkt",
		"municipality_code": "GM0363",
		"municipality_name": "Amsterdam",
		"province": "Noord-Holland",
		"use_ownership": "V",
		"rent_ownership": "E",
		"rent_ownership_class": 4.5,
		"ozb_tax": 0.0431,
		"waste_tax_one_person": 22.72,
		"waste_tax_more_persons": 330.34,
		"sewage_tax_one_person": 440.18,
		"sewage_tax_more_persons": 160.43,
		"protected_cityviews": 2,
		"protected_cityview_names": "['Amsterdam - Binnen de Singelgracht', 'Amsterdam - Nieuwmarktbuurt']"
}
```

{% endtab %}

{% tab title="400: Bad Request Mislukte reactie" %}

```
{
  "output": "The given house address not found in database, the combination of Post Code, House Number and House Addition does not exist."
}

{
  "output": "We are not able to provide data at the moment."
}
```

{% endtab %}

{% tab title="422: Unprocessable Entity Verkeerde invoer" %}

```
{
	"detail": [
		{
			"loc": [
				"body",
				43
			],
			"msg": "Expecting value: line 3 column 18 (char 43)",
			"type": "value_error.jsondecode",
			"ctx": {
				"msg": "Expecting value",
				"doc": "{\n  \"postcode\": \"2201PZ\",\n  \"housenumber\": a,\n  \"valuationdate\": \"20121001\"\n}",
				"pos": 43,
				"lineno": 3,
				"colno": 18
			}
		}
	]
}
```

{% endtab %}

{% tab title="500: Internal Server Error Service is niet beschikbaar en/of niet beschikbaar" %}

```
{
	"message": "Internal server error"
}
```

{% endtab %}

{% tab title="403: Forbidden Verboden" %}

```
{
	"message": "Missing Authentication Token"
}
```

{% endtab %}

{% tab title="401: Unauthorized Geen toegang" %}

```
{
    'output': 'Please use https://api.altum.ai or visit https://mopsus.altum.ai to make your request.'
}
```

{% endtab %}
{% endtabs %}

## Request body

#### Voorbeeld verzoek (JSON)

```
{
  "postcode": "2201PZ",
  "housenumber": 11,
  "valuation_date": "20221001"
}
```

{% endtab %}

{% tab title="V1" %} <mark style="color:green;">`POST`</mark> `https://api.altum.ai/objectdata`

#### Headers

| Naam                                        | Type   | Omschrijving                                                                    |
| ------------------------------------------- | ------ | ------------------------------------------------------------------------------- |
| x-api-key<mark style="color:red;">\*</mark> | string | Unieke API-sleutel van Altum. Maak er één via Mopsus(<https://mopsus.altum.ai>) |
| Content-Type                                | string | application/json                                                                |

#### Request Body

| Naam                                          | Type   | Omschrijving                                                                                         |
| --------------------------------------------- | ------ | ---------------------------------------------------------------------------------------------------- |
| postcode<mark style="color:red;">\*</mark>    | string | Postcode van het object                                                                              |
| valuationdate                                 | string | Voer in als JJJJMMDD, geeft de nieuwste transactie tot die datum weer. De standaardwaarde is VANDAAG |
| houseaddition                                 | string | Huisnummertoevoeging van het object                                                                  |
| housenumber<mark style="color:red;">\*</mark> | number | Huisnummer van het object                                                                            |

{% tabs %}
{% tab title="200: OK Succesvolle reactie" %}

```
{
	"Output": {
		"bag_id": "0363010000710354",
		"postcode": "1011EW",
		"housenumber": "48",
		"houseaddition": "None",
		"valuation_date": "20240104",
		"city": "Amsterdam",
		"street": "Koningsstraat",
		"house_type_generic": "Tussen/rijwoning",
		"house_type_specific": "None",
		"type_house_construction": "Herenhuis, tussenwoning",
		"building_status": "Pand in gebruik",
		"inner_surface_area": "216.0",
		"outer_surface_area": "76.0",
		"build_year": "1906.0",
		"volume": "548.0",
		"rooms": "8.0",
		"number_of_bathrooms": "3.0",
		"garden_orientation": "None",
		"garden_size": "None",
		"garden_location": "Achtertuin",
		"monument": "0",
		"monument_description": "Geen monument / Onbekend",
		"longitude": "4.902011945627775",
		"latitude": "52.37216745876808",
		"neighbourhood_code": "BU03630404",
		"neighbourhood_name": "Nieuwmarkt",
		"municipality_code": "363.0",
		"municipality_name": "Amsterdam",
		"province": "Noord-Holland",
		"use_ownership": "V",
		"rent_ownership": "E",
		"rent_ownership_class": "4.5",
		"ozb_tax": "0.0431",
		"waste_tax_one_person": "22.72",
		"waste_tax_more_persons": "330.34",
		"sewage_tax_one_person": "440.18",
		"sewage_tax_more_persons": "160.43",
		"protected_cityviews": "2",
		"protected_cityview_names": "['Amsterdam - Binnen de Singelgracht', 'Amsterdam - Nieuwmarktbuurt']"
	}
}
```

{% endtab %}

{% tab title="400: Bad Request Mislukte reactie" %}

```
{
  "Output": "The given house address not found in database, the combination of Post Code, House Number and House Addition does not exist."
}

{
  "Output": "We are not able to provide data at the moment."
}
```

{% endtab %}

{% tab title="422: Unprocessable Entity Verkeerde invoer" %}

```
{
	"detail": [
		{
			"loc": [
				"body",
				43
			],
			"msg": "Expecting value: line 3 column 18 (char 43)",
			"type": "value_error.jsondecode",
			"ctx": {
				"msg": "Expecting value",
				"doc": "{\n  \"postcode\": \"2201PZ\",\n  \"housenumber\": a,\n  \"valuationdate\": \"20121001\"\n}",
				"pos": 43,
				"lineno": 3,
				"colno": 18
			}
		}
	]
}
```

{% endtab %}

{% tab title="500: Internal Server Error Service is niet beschikbaar en/of niet beschikbaar" %}

```
{
	"message": "Internal server error"
}
```

{% endtab %}

{% tab title="403: Forbidden Verboden" %}

```
{
	"message": "Missing Authentication Token"
}
```

{% endtab %}

{% tab title="401: Unauthorized Geen toegang" %}

```
{
    'Output': 'Please use https://api.altum.ai or visit https://mopsus.altum.ai to make your request.'
}
```

{% endtab %}
{% endtabs %}

## Request body

#### Voorbeeld verzoek (JSON)

```
{
  "postcode": "2201PZ",
  "housenumber": 11,
  "valuationdate": "20221001"
}
```

{% endtab %}
{% endtabs %}


---

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Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter:

```
GET https://docs.altum.ai/woningdata/woningkenmerken-api/authenticatie-invoer-en-resultaat.md?ask=<question>&goal=<endgoal>
```

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