Citations API

POST/api/cjeu

Search CJEU case metadata and citation edges from the unified cle_v2 schema. Accepts the same graph-expansion and pagination arguments as the other search endpoints.

Parameters

Field	Type	Notes
`keywords`	string[]	Optional. Free-text terms matched against case text and metadata.
`eclis`	string[]	Optional. Restrict the query to specific ECLI identifiers.
`celexIds`	string[]	Optional. Restrict the query to specific CELEX identifiers.
`caseNumbers`	string[]	Optional. Restrict the query to specific case numbers.
`courts`	string[]	Optional. Court of Justice, General Court, Civil Service Tribunal.
`formations`	string[]	Optional. Judicial formation that decided the case.
`procedureTypes`	string[]	Optional. Procedure type, e.g. preliminary ruling.
`sectors`	string[]	Optional. CELEX sector codes.
`docTypes`	string[]	Optional. Document types to include.
`relationTypes`	string[]	Optional. Citation relation types to traverse.
`languages`	string[]	Optional. ISO language codes.
`importance`	string[]	Optional. Case importance markers.
`dateStart`, `dateEnd`	string	Optional. ISO dates bounding the decision date.
`dateLodgedEnd`	string	Optional. ISO date bounding when the case was lodged.
`degreesSource`	int	Required. 0 to 5. Levels to traverse outgoing citations.
`degreesTarget`	int	Required. 0 to 5. Levels to traverse incoming citations.
`onlyCaseIds`	bool	Optional. Return identifiers only, without node attributes.
`isSubgraph`	bool	Optional. Restrict edges to the matched result set.
`attributesToFetch`	string[]	Optional. Node attributes to include in the response.
`pageSize`	int	Optional. Matched result nodes per page, 1 to 1000.
`cursor`	string	Optional. Opaque token from a previous response's `nextCursor`.

Pagination, limits, and graph completeness metadata behave exactly as they do for /api/rechtspraak and /api/echr.

Examples

Request

{
  "arguments": {
    "eclis": [
      "ECLI:EU:C:2026:297"
    ],
    "degreesSource": 1,
    "degreesTarget": 1,
    "pageSize": 5
  }
}

POST/api/cjeu/text

Fetch full-text CJEU judgments by ECLI. One row per case and language, across the 24 official EU languages where CELLAR provides them.

Parameters

Field	Type	Notes
`ecli`	string \| string[]	Required. String or array in the JSON body.
`language`	string	Optional. ISO language code. Omit to receive every available language.

Response fields

Field	Description
`ecli`	The requested ECLI identifier.
`celex`	CELEX identifier for the case.
`language`	Language code of the returned text.
`fulltext`	Complete judgment text.

Without a language the response carries every available language, the same shape as /api/echr/text; with one it returns that rendition only.

Examples

Request

{
  "ecli": "ECLI:EU:C:2026:297",
  "language": "EN"
}