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OpenAPI Specification

openapi: 3.2.0
info:
  title: vLex Iceberg Legal Research Search 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: Search
  description: Search the vLex legal document corpus
paths:
  /v1/search:
    post:
      operationId: searchDocuments
      summary: Search Legal Documents
      description: Perform a semantic search across the vLex corpus of 100+ million legal documents. Supports natural language queries with jurisdiction, document type, and date filters. Returns ranked results with document metadata.
      tags:
      - Search
      security:
      - SubscriptionKey: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SearchRequest'
            examples:
              caseSearch:
                summary: Search for employment discrimination cases
                value:
                  query: employment discrimination hostile work environment
                  jurisdiction: US
                  document_type: case_law
                  date_from: '2020-01-01'
                  page: 1
                  per_page: 10
      responses:
        '200':
          description: Search results
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SearchResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  schemas:
    SearchResponse:
      type: object
      properties:
        results:
          type: array
          items:
            $ref: '#/components/schemas/SearchResult'
        total:
          type: integer
        page:
          type: integer
        per_page:
          type: integer
        query_time_ms:
          type: integer
    SearchResult:
      type: object
      properties:
        document_id:
          type: string
          description: vLex document identifier.
        title:
          type: string
          description: Document title.
        snippet:
          type: string
          description: Relevant text excerpt matching the query.
        document_type:
          type: string
          description: Type of legal document.
        jurisdiction:
          type: string
        date:
          type: string
          format: date
        relevance_score:
          type: number
          format: float
        url:
          type: string
          format: uri
    Error:
      type: object
      properties:
        error:
          type: string
        message:
          type: string
    SearchRequest:
      type: object
      required:
      - query
      description: Request body for legal document search.
      properties:
        query:
          type: string
          description: Natural language or keyword search query.
        jurisdiction:
          type: string
          description: ISO 3166-1 country code or jurisdiction code (e.g. US, GB, EU).
          example: US
        document_type:
          type: string
          enum:
          - case_law
          - statute
          - regulation
          - secondary_source
          - contract
          - all
          default: all
        date_from:
          type: string
          format: date
          description: Filter documents published on or after this date.
        date_to:
          type: string
          format: date
          description: Filter documents published on or before this date.
        language:
          type: string
          description: BCP-47 language filter.
          example: en
        page:
          type: integer
          default: 1
        per_page:
          type: integer
          default: 10
          maximum: 50
  responses:
    Unauthorized:
      description: Invalid or missing subscription key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: Invalid request
      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