{"source":"nasjonalbiblioteket","operation":"get_related_items","description":"Get items related to one catalog item - e.g. the newspaper/journal a\ndigitized article appeared in (hosts), articles/pages it contains\n(constituents), the previous/next issue in a run, or the series it\nbelongs to. Most items (e.g. standalone books) have no recorded\nrelations - an empty result is normal, not an error. Signature: get_related_items(item_id: string, required; limit: integer, items, optional, default 25; offset: integer, items, optional, default 0).","signature":"get_related_items(item_id: string, required; limit: integer, items, optional, default 25; offset: integer, items, optional, default 0)","parameters":[{"name":"item_id","type":"string","schema":{"type":"string"},"required":true,"default":null,"description":"The sesamId or URN from search()/get_item().","unit":null},{"name":"limit","type":"integer","schema":{"type":"integer","minimum":1,"maximum":100,"default":25},"display_type":"integer","required":false,"default":25,"description":"Maximum list items returned by the gateway (default 25, maximum 100).","unit":"items"},{"name":"offset","type":"integer","schema":{"type":"integer","minimum":0,"default":0},"display_type":"integer","required":false,"default":0,"description":"Number of list items to skip before returning the page.","unit":"items"}],"json_get_url_template":"https://allemannsdata.com/wiki/api/v1/kilder/nasjonalbiblioteket/get_related_items?item_id={item_id}&limit=25&offset=0","schema_scope":"#/data in the successful operation envelope","response_schema":{"type":"object","properties":{"hosts":{"type":"array","items":{"type":"object","properties":{"id":{"type":["string","null"]},"urn":{"type":["string","null"]},"title":{"type":["string","null"]},"creators":{"type":["array","null"],"items":{"type":"string"}},"year":{"type":["string","integer","null"]},"publisher":{"type":["string","null"]},"media_types":{"type":["array","null"],"items":{"type":"string"}},"languages":{"type":"array","items":{"type":"string"}},"county":{"type":["string","null"]},"digital":{"type":["boolean","null"]},"public_domain":{"type":["boolean","null"]},"license":{"type":["string","null"]},"viewability":{"type":["string","null"]},"access_allowed_from":{"type":["string","null"]},"thumbnail":{"type":["string","null"],"format":"uri"},"viewer_url":{"type":["string","null"],"format":"uri"},"snippets":{"type":"array","items":{"type":"object","properties":{"page":{"type":["string","integer","null"]},"text":{"type":["string","null"]}},"additionalProperties":false}}},"additionalProperties":false}},"constituents":{"type":"array","items":{"type":"object","properties":{"id":{"type":["string","null"]},"urn":{"type":["string","null"]},"title":{"type":["string","null"]},"creators":{"type":["array","null"],"items":{"type":"string"}},"year":{"type":["string","integer","null"]},"publisher":{"type":["string","null"]},"media_types":{"type":["array","null"],"items":{"type":"string"}},"languages":{"type":"array","items":{"type":"string"}},"county":{"type":["string","null"]},"digital":{"type":["boolean","null"]},"public_domain":{"type":["boolean","null"]},"license":{"type":["string","null"]},"viewability":{"type":["string","null"]},"access_allowed_from":{"type":["string","null"]},"thumbnail":{"type":["string","null"],"format":"uri"},"viewer_url":{"type":["string","null"],"format":"uri"},"snippets":{"type":"array","items":{"type":"object","properties":{"page":{"type":["string","integer","null"]},"text":{"type":["string","null"]}},"additionalProperties":false}}},"additionalProperties":false}},"preceding":{"type":"object","properties":{"id":{"type":["string","null"]},"urn":{"type":["string","null"]},"title":{"type":["string","null"]},"creators":{"type":["array","null"],"items":{"type":"string"}},"year":{"type":["string","integer","null"]},"publisher":{"type":["string","null"]},"media_types":{"type":["array","null"],"items":{"type":"string"}},"languages":{"type":"array","items":{"type":"string"}},"county":{"type":["string","null"]},"digital":{"type":["boolean","null"]},"public_domain":{"type":["boolean","null"]},"license":{"type":["string","null"]},"viewability":{"type":["string","null"]},"access_allowed_from":{"type":["string","null"]},"thumbnail":{"type":["string","null"],"format":"uri"},"viewer_url":{"type":["string","null"],"format":"uri"},"snippets":{"type":"array","items":{"type":"object","properties":{"page":{"type":["string","integer","null"]},"text":{"type":["string","null"]}},"additionalProperties":false}}},"additionalProperties":false},"succeeding":{"type":"object","properties":{"id":{"type":["string","null"]},"urn":{"type":["string","null"]},"title":{"type":["string","null"]},"creators":{"type":["array","null"],"items":{"type":"string"}},"year":{"type":["string","integer","null"]},"publisher":{"type":["string","null"]},"media_types":{"type":["array","null"],"items":{"type":"string"}},"languages":{"type":"array","items":{"type":"string"}},"county":{"type":["string","null"]},"digital":{"type":["boolean","null"]},"public_domain":{"type":["boolean","null"]},"license":{"type":["string","null"]},"viewability":{"type":["string","null"]},"access_allowed_from":{"type":["string","null"]},"thumbnail":{"type":["string","null"],"format":"uri"},"viewer_url":{"type":["string","null"],"format":"uri"},"snippets":{"type":"array","items":{"type":"object","properties":{"page":{"type":["string","integer","null"]},"text":{"type":["string","null"]}},"additionalProperties":false}}},"additionalProperties":false},"series":{"type":"object","properties":{"id":{"type":["string","null"]},"urn":{"type":["string","null"]},"title":{"type":["string","null"]},"creators":{"type":["array","null"],"items":{"type":"string"}},"year":{"type":["string","integer","null"]},"publisher":{"type":["string","null"]},"media_types":{"type":["array","null"],"items":{"type":"string"}},"languages":{"type":"array","items":{"type":"string"}},"county":{"type":["string","null"]},"digital":{"type":["boolean","null"]},"public_domain":{"type":["boolean","null"]},"license":{"type":["string","null"]},"viewability":{"type":["string","null"]},"access_allowed_from":{"type":["string","null"]},"thumbnail":{"type":["string","null"],"format":"uri"},"viewer_url":{"type":["string","null"],"format":"uri"},"snippets":{"type":"array","items":{"type":"object","properties":{"page":{"type":["string","integer","null"]},"text":{"type":["string","null"]}},"additionalProperties":false}}},"additionalProperties":false}},"additionalProperties":false},"response_schema_status":{"status":"declared","codegen_safe":true,"description":"Maintained response contract."},"entity_projection":{"status":"projected","entity_types":["library_item"],"description":"Recognized records and stable operation identifiers are projected; an empty array means the successful payload contained no recognizable entity."},"error_contract":{"scope":"top-level HTTP error response; never part of a success payload","schema":{"type":"object","properties":{"error":{"type":"object","properties":{"code":{"type":"string"},"message":{"type":"string"},"retryable":{"type":"boolean"},"details":{"type":"object"}},"additionalProperties":false,"required":["code","message","retryable"]},"suggestion":{"type":"string"},"_meta":{"type":"object","properties":{"retrieved_at":{"type":"string","format":"date-time"},"language":{"type":"string","const":"en"},"content_languages":{"type":"array","items":{"type":"string"}},"sources":{"type":"array","items":{"type":"object"}}},"required":["retrieved_at","language","content_languages","sources"]},"_links":{"type":"object","properties":{"self":{"type":"string","format":"uri"},"api_index":{"type":"string","format":"uri"},"feedback":{"type":"string","format":"uri"}},"required":["self","api_index","feedback"],"additionalProperties":false}},"additionalProperties":false,"required":["error","suggestion","_meta","_links"]},"statuses":{"400":{"codes":["MISSING_PARAMETER","INVALID_PARAMETER","INVALID_REQUEST"],"retryable":false},"404":{"codes":["SOURCE_NOT_FOUND","OPERATION_NOT_FOUND","ENTITY_NOT_FOUND"],"retryable":false},"429":{"codes":["RATE_LIMITED","GATEWAY_RATE_LIMITED"],"retryable":true},"502":{"codes":["SOURCE_UNAVAILABLE"],"retryable":true},"500":{"codes":["INTERNAL_ERROR"],"retryable":true}}},"_links":{"self":"https://allemannsdata.com/wiki/api/v1/kilder/nasjonalbiblioteket/get_related_items","operation":"https://allemannsdata.com/wiki/api/v1/kilder/nasjonalbiblioteket/get_related_items","source":"https://allemannsdata.com/wiki/api/v1/kilder/nasjonalbiblioteket","feedback":"https://allemannsdata.com/wiki/api/v1/feedback"},"output_fields":["hosts","hosts[].id","hosts[].urn","hosts[].title","hosts[].creators","hosts[].year","hosts[].publisher","hosts[].media_types","hosts[].languages","hosts[].county","hosts[].digital","hosts[].public_domain","hosts[].license","hosts[].viewability","hosts[].access_allowed_from","hosts[].thumbnail","hosts[].viewer_url","hosts[].snippets","hosts[].snippets[].page","hosts[].snippets[].text","constituents","constituents[].id","constituents[].urn","constituents[].title","constituents[].creators","constituents[].year","constituents[].publisher","constituents[].media_types","constituents[].languages","constituents[].county"],"output_fields_truncated":true,"canonical_field_aliases":{"identifier":["hosts[].id","constituents[].id","preceding.id","succeeding.id","series.id"],"name":["hosts[].title","constituents[].title","preceding.title","succeeding.title","series.title"]},"response_example":{"source":"nasjonalbiblioteket","operation":"get_related_items","parameters":{"item_id":"example-id"},"data":{"hosts":[{"id":"example-id","urn":"example value","title":"Example","creators":["example value"],"year":"example value","publisher":"example value","media_types":["example value"],"languages":["example value"],"county":"example value","digital":true,"public_domain":true,"license":"example value","viewability":"example value","access_allowed_from":"example value","thumbnail":"https://example.invalid/resource","viewer_url":"https://example.invalid/resource","snippets":[{"page":"example value","text":"example value"}]}],"constituents":[{"id":"example-id","urn":"example value","title":"Example","creators":["example value"],"year":"example value","publisher":"example value","media_types":["example value"],"languages":["example value"],"county":"example value","digital":true,"public_domain":true,"license":"example value","viewability":"example value","access_allowed_from":"example value","thumbnail":"https://example.invalid/resource","viewer_url":"https://example.invalid/resource","snippets":[{"page":"example value","text":"example value"}]}],"preceding":{"id":"example-id","urn":"example value","title":"Example","creators":["example value"],"year":"example value","publisher":"example value","media_types":["example value"],"languages":["example value"],"county":"example value","digital":true,"public_domain":true,"license":"example value","viewability":"example value","access_allowed_from":"example value","thumbnail":"https://example.invalid/resource","viewer_url":"https://example.invalid/resource","snippets":[{"page":"example value","text":"example value"}]},"succeeding":{"id":"example-id","urn":"example value","title":"Example","creators":["example value"],"year":"example value","publisher":"example value","media_types":["example value"],"languages":["example value"],"county":"example value","digital":true,"public_domain":true,"license":"example value","viewability":"example value","access_allowed_from":"example value","thumbnail":"https://example.invalid/resource","viewer_url":"https://example.invalid/resource","snippets":[{"page":"example value","text":"example value"}]},"series":{"id":"example-id","urn":"example value","title":"Example","creators":["example value"],"year":"example value","publisher":"example value","media_types":["example value"],"languages":["example value"],"county":"example value","digital":true,"public_domain":true,"license":"example value","viewability":"example value","access_allowed_from":"example value","thumbnail":"https://example.invalid/resource","viewer_url":"https://example.invalid/resource","snippets":[{"page":"example value","text":"example value"}]}},"entities":[],"_meta":{"retrieved_at":"2026-01-15T12:00:00Z","language":"en","content_languages":["en"],"sources":[{"id":"nasjonalbiblioteket","name":"National Library of Norway","description":"Search books, newspapers, journals, photos, maps, audiovisual media and digitized full text.","cache_ttl_seconds":300,"documentation":"https://api.nb.no/"}]},"_provenance":{"data":{"source":"nasjonalbiblioteket","source_api":"https://allemannsdata.com/wiki/api/v1/kilder/nasjonalbiblioteket"},"entities":{"source":"nasjonalbiblioteket","source_api":"https://allemannsdata.com/wiki/api/v1/kilder/nasjonalbiblioteket","derived_from":"#/data","description":"Normalized projection of data."}},"_links":{"self":"https://allemannsdata.com/wiki/api/v1/kilder/nasjonalbiblioteket/get_related_items","source":"https://allemannsdata.com/wiki/api/v1/kilder/nasjonalbiblioteket","wiki":"https://allemannsdata.com/wiki/kilder/nasjonalbiblioteket/get_related_items/","feedback":"https://allemannsdata.com/wiki/api/v1/feedback"}}}