hierarchyEadChildren

Request url: https://api.archivesportaleurope.net/services//hierarchy/ead/{id}/children. This service is a POST-request.

This hierarchy-service delivers a list of all archival descriptions one level deeper in the hierarchy of the archival description identified with {id}. A web developer can use this service to create a tree-like presentation of a finding aid, holdings guide or source guide.

Request parameters

Two request parameters can be used to get a list of children of an archival description.

Empty Request example

ID = .....

{
  "count": "5",
  "startIndex": 0
}

Basic Request example

ID = C85437490

{
  "count": "5",
  "startIndex": 0
}

On [base_url]/search/ead/C85437490/children, it gives all the clevel descriptive units one level deeper in the hierarchy of the descriptive unit identified with "C85437490".

count

The resultlist is delivered in chunks of a certain size. Request parameter "count" describes the number of results that are in one chunk. Optional. Default value is 5.

startIndex

Request parameter "startIndex" enables you to select the results that you want to have. Counting starts at zero. If "count" = 5, the second chunk starts with startIndex 5, the following at startIndex 10, etc. Optional. Default value is 0.

Response parameters

The response contains a list of the descriptive units where the requested search term(s) was/were found.

Empty Response example

{
  "totalResults": 0,
  "startIndex": 0,
  "totalPages": 0,
  "results": [
    {
      "id": "string",
      "fondsUnitTitle": "string",
      "fondsUnitId": "string",
      "repository": "string",
      "country": "string",
      "language": "string",
      "langMaterial": "string",
      "unitDate": "string",
      "repositoryCode": "string",
      "hasDigitalObject": false,
      "numberOfDigitalObjects": 0,
      "numberOfDigitalObjectsInDescendents": 0,
      "numberOfDescendents": 0,
      "docType": "string",
      "docTypeId": "string",
      "level": "string",
      "indexDate": "string",
      "unitId": "string",
      "unitTitle": "string",
      "scopeContent": "string",
      "siblingPosition": 0,
      "ancestorLevel": 0
    }
  ]
}

Basic Response example

For identifier C85437490:

{
  "totalResults": 3,
  "startIndex": 0,
  "totalPages": 1,
  "results": [
    {
      "id": "C85437491",
      "fondsUnitTitle": "Inventaris van de collectie archieven Strijdkrachten in Nederlands-Indië, (1938 - 1939) 1941 - 1957 [1960]",
      "fondsUnitId": "2.13.132",
      "repository": "Nationaal Archief",
      "country": "NETHERLANDS",
      "language": "",
      "langMaterial": "",
      "unitDate": "",
      "repositoryCode": "NL-HaNA",
      "hasDigitalObject": false,
      "numberOfDigitalObjects": 0,
      "numberOfDigitalObjectsInDescendents": 0,
      "numberOfDescendents": 64,
      "docType": "Descriptive Unit",
      "docTypeId": "du",
      "level": "clevel",
      "indexDate": "",
      "unitId": "2.13.132 - A.5.1",
      "unitTitle": "Militaire Luchtvaart in Nederlands-Indië",
      "scopeContent": "",
      "siblingPosition": 0,
      "ancestorLevel": 3
    },
    {
      "id": "C85437556",
      "fondsUnitTitle": "Inventaris van de collectie archieven Strijdkrachten in Nederlands-Indië, (1938 - 1939) 1941 - 1957 [1960]",
      "fondsUnitId": "2.13.132",
      "repository": "Nationaal Archief",
      "country": "NETHERLANDS",
      "language": "",
      "langMaterial": "",
      "unitDate": "",
      "repositoryCode": "NL-HaNA",
      "hasDigitalObject": false,
      "numberOfDigitalObjects": 0,
      "numberOfDigitalObjectsInDescendents": 0,
      "numberOfDescendents": 53,
      "docType": "Descriptive Unit",
      "docTypeId": "du",
      "level": "clevel",
      "indexDate": "",
      "unitId": "2.13.132 - A.5.2",
      "unitTitle": "Geallieerde Commando's",
      "scopeContent": "",
      "siblingPosition": 1,
      "ancestorLevel": 3
    },
    {
      "id": "C85437610",
      "fondsUnitTitle": "Inventaris van de collectie archieven Strijdkrachten in Nederlands-Indië, (1938 - 1939) 1941 - 1957 [1960]",
      "fondsUnitId": "2.13.132",
      "repository": "Nationaal Archief",
      "country": "NETHERLANDS",
      "language": "",
      "langMaterial": "",
      "unitDate": "",
      "repositoryCode": "NL-HaNA",
      "hasDigitalObject": false,
      "numberOfDigitalObjects": 0,
      "numberOfDigitalObjectsInDescendents": 0,
      "numberOfDescendents": 40,
      "docType": "Descriptive Unit",
      "docTypeId": "du",
      "level": "clevel",
      "indexDate": "",
      "unitId": "2.13.132 - A.5.3",
      "unitTitle": "Geallieerde landen",
      "scopeContent": "",
      "siblingPosition": 2,
      "ancestorLevel": 3
    }
  ]
}

totalResults

The response parameter "totalResults" gives the number of results.

startIndex

The response parameter "startIndex" gives the number of the chunk you requested.

totalPages

The response parameter "totalPages" gives the number of chunks.

results

Enumeration of the results. A result could be a holdings guide, a source guide, a finding aid, or a descriptive unit (ie a sublevel component). They are all optional except "id".

id	Internal APE identifier of the result
fondsUnitTitle	Title of the finding aid, holdings guide or source guide
fondsUnitId	Identifier of the fonds provided by the repository
repository	Name of the repository holding the fonds
country	Name of the country where the repository is, in English
language	Language of the description of the result
langMaterial	Language in which the result is created
unitDate	Date of creation of the result.
repositoryCode	Code of the repository holding the fonds; preferably, but not necessarily ISIL
hasDigitalObject	TRUE/FALSE
numberOfDigitalObjects	Amount of digital objects available for the search result (is always 0 in case 'hasDigitalObject' = FALSE)
numberOfDigitalOjectsInDescendents	Amount of digital objects available for descendents of the search result (can be > 0 in case 'hasDigtalObject' = FALSE)
numberOfDescendents	Amount of descendents of the search result
docType	Type of document in which the result is found: "Finding Aid", "Holdings Guide", "Source Guide" or "Descriptive Unit"
docTypeId	Acronym for the type of document: "fa" for "Finding Aid", "hg" for "Holdings Guide", "sg" for "Source Guide" or "du" for "Descriptive unit"
level	Type of result: "archdesc" for highest level description or "clevel" for subordinate components
indexDate	Date showing when the result was ingested/updated and indexed in the Archives Portal Europe (ie last change date)
unitId	Identifier of the result provided by the repository
unitTitle	Description of the result
scopeContent	More descriptive information about the result
siblingPosition	Position of the result in the order of children in the level beneath the descriptive unit of the identifier in the request
ancestorLevel	Position of the descriptive unit of the identifier in the request in the higher hierarchy of the document it belongs to