Vaquill AI US Statutes API
Search and retrieve US primary law. Covers the United States Code and the Statutes at Large, the Code of Federal Regulations and its annual editions, state statutory codes and administrative regulations, federal and state constitutions, court rules, Federal Register rules and Presidential documents, federal and state agency guidance, agency adjudications, state Attorney General opinions, the Sentencing Guidelines and US tax treaties. Scope a search with the `corpusType` filter, and call `/us/statutes/coverage` for the live jurisdiction-by-corpusType list.- **Search**: Search across all USC, CFR, state, and regulatory sections- **Section**: Get metadata, citation, hierarchy, and source links for a specific section- **Body**: Get the full text of a section- **Enactments**: Which state session laws a publisher's own tables list against a section (supported jurisdictions only, never a complete history)
Vaquill AI US Statutes API is one of 26 APIs that Vaquill AI publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
This API exposes 18 JSON Schema definitions.
Tagged areas include US Statutes. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, a changelog, and 18 JSON Schemas.
This API exposes 15 operations across 14 paths, and defines 52 schemas. It is described by OpenAPI 3.2.0, at version 1.0.0.
Requests are made against a single base URL, https://api.vaquill.ai.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 3
Vaquill AI US Statutes API declares
3 security schemes
for authenticating requests.
It accepts HTTP bearer tokens (vq_key_*) (ApiKeyAuth).
An API key is passed in the header as X-API-Key (ApiKeyHeader).
An API key is passed in the query as api_key (ApiKeyQuery).
By default, every request must be authenticated.
ApiKeyAuth— API key issued from the developer dashboard. Pass as Authorization: Bearer vqkey... (preferred).ApiKeyHeader— The same API key as a bare header value: X-API-Key: vqkey.... Equivalent to the Bearer form.ApiKeyQuery— The same API key as a query parameter: ?apikey=vqkey.... Use only where you cannot set a header. A URL can end up in proxy and server logs, browser history and…
Paths & Operations 15
Across 14 paths, the API surfaces 15 operations — 11 GET, 4 POST. Each is listed below with its method, path, parameters, and response codes.
Search and retrieve US primary law.
Schemas 52
The contract defines 52 schemas that model the data the API accepts and returns. The most detailed are StatuteResult (148 properties), StatuteSearchRequest (24 properties), StatuteBodyResponse (20 properties), SectionEnactment (17 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
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Other APIs Vaquill AI publishes across the network.
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