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Free Law Project Citations API

Citation lookup and verification.

Free Law Project Citations API is one of 10 APIs that Free Law Project publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Citations. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 1 operation across 1 path. It is described by OpenAPI 3.2.0, at version 4.3.

Requests are made against a single base URL, https://www.courtlistener.com/api/rest/v4.

1 operations 1 paths 0 schemas 1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
4.3
Base URL
https://www.courtlistener.com/api/rest/v4
Authentication
API Key
Resource Areas
1

Authentication & Security 1

Free Law Project Citations API declares 1 security scheme for authenticating requests. An API key is passed in the header as Authorization (TokenAuth). By default, every request must be authenticated.

  • TokenAuth — HTTP token authentication. Format: Token .

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 POST. Each is listed below with its method, path, parameters, and response codes.

Citations 1

Citation lookup and verification.

POST
/citation-lookup/
Lookup citations in text
lookupCitations body → 200

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

free-law-project-citations-api-openapi.yml Raw ↑

Other APIs Free Law Project publishes across the network.

Free Law Project Alerts API
Free Law Project Case Law API
Free Law Project Financial Disclosures API
Free Law Project Judges API
Free Law Project Oral Arguments API
Free Law Project PACER API
Free Law Project RECAP API
Free Law Project Search API
Free Law Project Tags API
Where this information came from

This is an independent, third-party profile of Free Law Project Citations 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.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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