# 2s Law API

**Canonical:** https://apis.io/apis/2s-io/2s-io-law-api/  
**Provider:** 2s — https://apis.io/providers/2s-io/  
**Base URL:** https://2s.io/mcp  
**Documentation:** https://2s.io/discover

2s Law API is one of 114 APIs that [2s](https://apis.io/providers/2s-io/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Law. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

The law API from 2s — 12 operation(s) for law.

## Operations (12)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/law/attorney-lookup` | Find US attorneys by name in CourtListener's RECAP corpus |
| GET | `/api/law/case-search` | Search US court opinions (SCOTUS, federal circuits, state |
| POST | `/api/law/case-verify` | Verify US legal case citations in a passage of text |
| GET | `/api/law/cfr-section` | Fetch the authoritative text of any section of the US Code |
| POST | `/api/law/citation-check` | Anti-hallucination checker for legal references - verify |
| GET | `/api/law/docket-search` | Search US federal court dockets - civil and criminal - from |
| GET | `/api/law/federal-register` | Search the US Federal Register - proposed rules, final |
| GET | `/api/law/judge-lookup` | Find US federal + state appellate judges by name in |
| POST | `/api/law/opinion` | Fetch the full text of a US court opinion by CourtListener |
| POST | `/api/law/sanctions-check` | Fuzzy-match a name (person, company, vessel, aircraft) |
| GET | `/api/law/trademark-status` | Verify a US trademark by USPTO serial number (8 digits) or |
| GET | `/api/law/usc-section` | Fetch the authoritative current text of any United States |

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/2s-io/refs/heads/main/openapi/2s-io-law-api-openapi.yml
- **Documentation** — https://2s.io/llms.txt
- **APIReference** — https://2s.io/discover
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/2s-io/refs/heads/main/asyncapi/2s-io-watchers-webhooks.yml

## Other 2s APIs (12)

- [2s MCP Server](https://apis.io/apis/2s-io/2s-mcp-server/)
- [2s A2A Agent](https://apis.io/apis/2s-io/2s-a2a-agent/)
- [2s Agent API](https://apis.io/apis/2s-io/2s-io-agent-api/)
- [2s Agriculture API](https://apis.io/apis/2s-io/2s-io-agriculture-api/)
- [2s AI API](https://apis.io/apis/2s-io/2s-io-ai-api/)
- [2s Airport API](https://apis.io/apis/2s-io/2s-io-airport-api/)
- [2s Aviation API](https://apis.io/apis/2s-io/2s-io-aviation-api/)
- [2s Bank API](https://apis.io/apis/2s-io/2s-io-bank-api/)
- [2s Barcode API](https://apis.io/apis/2s-io/2s-io-barcode-api/)
- [2s Batch API](https://apis.io/apis/2s-io/2s-io-batch-api/)
- [2s Bio API](https://apis.io/apis/2s-io/2s-io-bio-api/)
- [2s Bls API](https://apis.io/apis/2s-io/2s-io-bls-api/)

## Tags

Law

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/2s-io/2s-io-law-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/2s-io/.