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OpenAPI Specification
openapi: 3.2.0
info:
title: vLex Iceberg Legal Research Citations API
description: The vLex Iceberg Legal Research API provides AI-powered access to legal documents, case law, statutes, and regulations from global jurisdictions. Capabilities include semantic document search, AI classification, key phrase extraction, and citation detection (vCite). The corpus spans 100+ million documents from 2,000+ multilingual sources.
version: 1.0.0
contact:
name: vLex Developer Support
url: https://developer.vlex.com/
license:
name: Proprietary
url: https://vlex.com/
servers:
- url: https://api.vlex.com
description: vLex Iceberg Legal Research API
tags:
- name: Citations
description: Detect and resolve legal citations (vCite)
paths:
/v1/citations:
post:
operationId: detectCitations
summary: Detect Legal Citations
description: Detect and parse legal citations from text using vLex's vCite algorithm. Supports citation formats from 20+ jurisdictions. Returns structured citation data with links to referenced documents where available.
tags:
- Citations
security:
- SubscriptionKey: []
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/CitationRequest'
responses:
'200':
description: Detected citations
content:
application/json:
schema:
$ref: '#/components/schemas/CitationResponse'
'401':
$ref: '#/components/responses/Unauthorized'
components:
schemas:
Citation:
type: object
description: A detected legal citation.
properties:
raw_text:
type: string
description: Citation text as found in the document.
example: 347 U.S. 483 (1954)
document_id:
type: string
description: vLex ID of the referenced document, if resolved.
citation_type:
type: string
description: Type of citation (case, statute, regulation, etc.).
jurisdiction:
type: string
year:
type: integer
start_offset:
type: integer
end_offset:
type: integer
url:
type: string
format: uri
description: Link to the cited document on vlex.com.
CitationRequest:
type: object
required:
- text
properties:
text:
type: string
description: Legal text containing citations to detect.
jurisdiction:
type: string
description: Primary jurisdiction for citation parsing (helps with ambiguous formats).
Error:
type: object
properties:
error:
type: string
message:
type: string
CitationResponse:
type: object
properties:
citations:
type: array
items:
$ref: '#/components/schemas/Citation'
citation_count:
type: integer
responses:
Unauthorized:
description: Invalid or missing subscription key
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
securitySchemes:
SubscriptionKey:
type: apiKey
in: header
name: Ocp-Apim-Subscription-Key
description: vLex API subscription key from the developer portal.
externalDocs:
description: vLex Developer Portal
url: https://developer.vlex.com/apis