Introduction
Moonlit is the European legal data layer. 30 European jurisdictions, 110+ portals, 1000+ sources, 15M+ documents, 26M+ references in the reference graph, updated daily.
Used every day at the Dutch Supreme Court (Hoge Raad), the Public Prosecutor (Openbaar Ministerie), the Dutch Central Bank (De Nederlandsche Bank), Deloitte, and KPMG.
Two access modes deliver the Moonlit Data Layer. Moonlit Legal Research (MCP) is a Model Context Protocol server for Claude and any MCP-compatible client, exposing seven curated read-only tools for legal research. The Data API is a REST surface for embedding the data layer into your own backend or product.
Who this is for
Legal professionals who want the Moonlit Data Layer inside their LLM will spend most time in MCP: connect, use cases.
Developers building products on the Moonlit Data Layer will spend most time in Data API: reference, integration patterns.
Get started
Connect Claude in 5 minutes
Add Moonlit Legal Research as an MCP server in Claude.ai or Claude Code, paste your API key, start asking.
First API request in 3 steps
Get a key, run a keyword search, retrieve a full document. Five minutes start to finish.
Browse the API reference
Every endpoint, parameter, and response schema, generated from the live OpenAPI spec.
Endpoint base
MCP server: https://mcp.moonlit.ai/. Data API base URL: https://api.moonlit.ai/v1.1. The Data API authenticates via the Ocp-Apim-Subscription-Key header. The MCP server uses an OAuth 2.1 flow.
Changelog
See the changelog for API version history.