Work with this as data
Every API here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for apis
7 MCP tools reach this
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This API
curl "https://apis.io/api/v1/apis/vlex-citations-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.
OpenAPI Specification
openapi: 3.2.0
info:
title: vLex Iceberg Anonymization Citations API
description: The vLex Iceberg Anonymization API identifies and anonymizes names and personally identifiable information from any text input. Pre-trained on legal data to recognize personal names, organizations, and sensitive entities within legal documents, contracts, and court filings for privacy protection and data compliance workflows.
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 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.
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
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).
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 obtained from the developer portal.
externalDocs:
description: vLex Developer Portal
url: https://developer.vlex.com/apis