CourtListener

Free Law Project is a nonprofit organization that provides free access to legal information and tools. It operates CourtListener, a comprehensive searchable database of United States court opinions, oral arguments, and other legal documents, along with related services such as RECAP and Bots.law. The platform aims to make the legal ecosystem more equitable and competitive by leveraging technology and open data.

CourtListener publishes 1 API on the APIs.io network. Tagged areas include Legal, Non-Profit, Open Data, CourtListener, and FreeLaw.

CourtListener’s developer surface includes support and 4 more developer resources.

9.6/100 minimal Agent 15/100 agent aware Full breakdown ↓
scored 2026-09-21 · rubric v0.22.0
1 APIs
LegalNon-ProfitOpen DataCourtListenerFreeLaw

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-09-21 · rubric v0.22.0
Regulatory Posture applies to this provider. Its tags matched the Government & Public Sector regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.
Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.
The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/courtlistener: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

CourtListener API

API for CourtListener legal data access

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Courtlistener Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Access & Security 1

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Company 1

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: courtlistener
name: CourtListener
image: https://storage.courtlistener.com/static/png/og-image-1200x630.7f25387a570b.png
description: Free Law Project is a nonprofit organization that provides free access to legal information and tools. It operates
  CourtListener, a comprehensive searchable database of United States court opinions, oral arguments, and other legal documents,
  along with related services such as RECAP and Bots.law. The platform aims to make the legal ecosystem more equitable and
  competitive by leveraging technology and open data.
url: https://raw.githubusercontent.com/api-evangelist/courtlistener/refs/heads/main/apis.yml
x-type: company
x-source: harvest:legal
x-tier: profiled
x-tier-reason: enrichment pass 2026-09-21 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-09-21'
modified: '2026-09-21'
tags:
- Legal
- Non-Profit
- Open Data
- CourtListener
- FreeLaw
tags_raw:
- Legal
- Nonprofit
- OpenData
- CourtListener
- FreeLaw
apis:
- name: CourtListener API
  description: API for CourtListener legal data access
  humanURL: https://www.courtlistener.com/
  baseURL: null
  aid: courtlistener:courtlistener-api
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-coverage:
  state: unreadable
  reason: js-rendered-docs
  detail: Documentation pages return HTML shells and no machine‑readable OpenAPI spec is available.
  evidence:
  - url: https://api.courtlistener.com/openapi.json
    status: 0
  - url: https://www.courtlistener.com/openapi.json
    status: 403
  checked: 2026-09-21
common:
- type: WellKnown
  url: well-known/courtlistener-well-known.yml
- type: Support
  url: https://www.courtlistener.com/help/
- type: Login
  url: https://www.courtlistener.com/sign-in/?next=/?
- type: DomainSecurity
  url: security/courtlistener-domain-security.yml
- type: Website
  url: https://www.courtlistener.com/
x-enrichment:
  date: '2026-09-21'
  status: enriched
  artifacts_added: 4
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local

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