The most complete US primary law API

4.8M+
primary-law sections
52
US jurisdictions
REST + MCP
two ways to call

The law, and the paper trail behind it.

23 NYCRR 500.1 · GET /statutes/section/{actId}
1{
2 "jurisdiction_key": "NY",
3 "law_key": "NY-RR",
4 "path": "title_23.chapter_i.part_500.section_500_1",
5 "label": "section_500_1",
6 "division_type": "section",
7 "identifier": "500.1",
8 "range_end_identifier": null,
9 "name": "Definitions",
10 "display_name": "Section 500.1: Definitions",
11 "effective_date": "-Infinity...Infinity",
12 "effective_date_start": "-Infinity",
13 "effective_date_end": "Infinity",
14 "markdown_content": "For purposes of this Part only, the following definitions shall apply:\n\n1. {{< pincite identifier=\"a\" display=\"a\" >}} Affiliate means any person that controls, is controlled by or is under common control with another person. For purposes of this subdivision, control means the possession, direct or indirect, of the power to direct or cause the direction of the management and policies of a person, whether through the ownership of stock of such person or otherwise.\n\n {{< pincite identifier=\"b\" display=\"b\" >}} Authorized user means any employee, contractor, agent or other person that participates in the business operations of a covered entity and is authorized to access and use any information system of the covered entity.\n\n {{< pincite identifier=\"c\" display=\"c\" >}} Covered entity means any person operating under or required to operate under a license, registration, charter, certificate, permit, accreditation or similar authorization under the Banking Law, the Insurance Law or the Financial Services Law ..."

What builders said when we open-sourced it.

See the launch post on LinkedIn
  • LinkedIn comment from Jaime Washington on the Open US Law launch post
  • LinkedIn comment from Zafar Ali Habib on the Open US Law launch post
  • LinkedIn comment from James Alcorn on the Open US Law launch post
  • LinkedIn comment from Stacy Young on the Open US Law launch post
  • LinkedIn comment from Nazmus Tareque on the Open US Law launch post
  • LinkedIn comment from Will C. on the Open US Law launch post
  • LinkedIn comment from Stephen Calhoun on the Open US Law launch post
  • LinkedIn comment from Ashlee Best on the Open US Law launch post
  • LinkedIn comment from David Uhlmann on the Open US Law launch post
  • LinkedIn comment from Ramakrishnan Chinnasamy on the Open US Law launch post
  • LinkedIn comment from Benjamin G. on the Open US Law launch post
  • LinkedIn comment from Brooks DiDonato on the Open US Law launch post

From key to cited law in three steps.

  1. 1.Get your key

  2. 2.Make your first call

  3. 3.Ship cited law

Every US jurisdiction. One schema.

54,853
US Code sections
219,447
CFR sections
384,794
Federal Register rules
3,901
Executive orders
  • ALAlabama
  • AKAlaska
  • AZArizona
  • ARArkansas
  • CACalifornia
  • COColorado
  • CTConnecticut
  • DEDelaware
  • DCDistrict of Columbia
  • FLFlorida
  • GAGeorgia
  • HIHawaii
  • IDIdaho
  • ILIllinois
  • INIndiana
  • IAIowa
  • KSKansas
  • KYKentucky
  • LALouisiana
  • MEMaine
  • MDMaryland
  • MAMassachusetts
  • MIMichigan
  • MNMinnesota
  • MSMississippi
  • MOMissouri
  • MTMontana
  • NENebraska
  • NVNevada
  • NHNew Hampshire
  • NJNew Jersey
  • NMNew Mexico
  • NYNew York
  • NCNorth Carolina
  • NDNorth Dakota
  • OHOhio
  • OKOklahoma
  • OROregon
  • PAPennsylvania
  • PRPuerto Rico
  • RIRhode Island
  • SCSouth Carolina
  • SDSouth Dakota
  • TNTennessee
  • TXTexas
  • UTUtah
  • VTVermont
  • VAVirginia
  • WAWashington
  • WVWest Virginia
  • WIWisconsin
  • WYWyoming
  • ALAlabama
  • AKAlaska
  • AZArizona
  • ARArkansas
  • CACalifornia
  • COColorado
  • CTConnecticut
  • DEDelaware
  • DCDistrict of Columbia
  • FLFlorida
  • GAGeorgia
  • HIHawaii
  • IDIdaho
  • ILIllinois
  • INIndiana
  • IAIowa
  • KSKansas
  • KYKentucky
  • LALouisiana
  • MEMaine
  • MDMaryland
  • MAMassachusetts
  • MIMichigan
  • MNMinnesota
  • MSMississippi
  • MOMissouri
  • MTMontana
  • NENebraska
  • NVNevada
  • NHNew Hampshire
  • NJNew Jersey
  • NMNew Mexico
  • NYNew York
  • NCNorth Carolina
  • NDNorth Dakota
  • OHOhio
  • OKOklahoma
  • OROregon
  • PAPennsylvania
  • PRPuerto Rico
  • RIRhode Island
  • SCSouth Carolina
  • SDSouth Dakota
  • TNTennessee
  • TXTexas
  • UTUtah
  • VTVermont
  • VAVirginia
  • WAWashington
  • WVWest Virginia
  • WIWisconsin
  • WYWyoming

Every layer of US primary law: the US Code, the Code of Federal Regulations, Federal Register agency rules, the statute codes of all 52 US jurisdictions (50 states, DC, and Puerto Rico), state regulations, state and federal constitutions, the Federal Rules of Procedure, and every Executive Order, Proclamation, and Presidential Memo since 2015. About 4.8M+ sections in one schema, each with a citation and a link to the official source.

Need a source we don't cover yet?

A specific set of government PDFs, or a slice of administrative law shaped for your product. Turning messy government data into clean, structured law is the whole job here, so bring us the hard ones.

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