Lex Machina Law Firms API
Law firm data.
Lex Machina Law Firms API is one of 21 APIs that Lex Machina publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Law Firms. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and authentication docs.
This API exposes 3 operations across 3 paths, and defines 4 schemas. It is described by OpenAPI 3.1.0, at version 20260324.
Requests are made against a single base URL, https://api.lexmachina.com.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
Lex Machina Law Firms API declares
1 security scheme
for authenticating requests.
It accepts HTTP bearer tokens (JwtAccessBearer).
Paths & Operations 3
Across 3 paths, the API surfaces 3 operations — 3 GET. Each is listed below with its method, path, parameters, and response codes.
Law firm data.
Schemas 4
The contract defines 4 schemas that model the data the API accepts and returns. The most detailed are LawFirmReference (4 properties), LawFirmSearchResult (4 properties), LawFirmResult (3 properties), LawFirmData (2 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from Lex Machina 12
Other APIs Lex Machina publishes across the network.
This is an independent, third-party profile of Lex Machina Law Firms API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
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