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13 endpoints

Vaquill

US primary law for agents — search and retrieve the United States Code, the Code of Federal Regulations, statutory codes and administrative regulations for all 50 states plus DC and Puerto Rico, constitutions, court rules, the Federal Register, executive orders, and agency guidance. Resolve a citation to its exact section, read a section as it stood on a past date, and follow its defined terms, citing sections, change history, and equivalents in other states. Every section carries its citation and a link to the official government source. Case law is not covered.

Part of Data

Get started by giving this to your agent
$Set up https://monid.ai/SKILL.md, and then use Monid to show me what I can do with Vaquill.
Vaquill
Count Sections in Scope
/us/statutes/count

Count the law sections in a jurisdiction, corpus, code, title, chapter, or part.

$0.0100per call
0 Markup
Vaquill
List Corpus Coverage
/us/statutes/coverage

List which US law corpora are queryable in each jurisdiction, with live section counts.

Freeno charge
0 Markup
Vaquill
Resolve Legal Citations
/us/statutes/resolve

Resolve up to 50 Bluebook citation strings to the exact US law sections they name.

$0.0200per result
0 Markup
Vaquill
Get Section Metadata
/us/statutes/section/{act_id}

Get one law section's citation, hierarchy, status, and official source links by actId.

$0.0200per call
0 Markup
Vaquill
Get Section Text
/us/statutes/section/{act_id}/body

Get the full official text of one US law section by actId, optionally as of a past date.

$0.0600per call
0 Markup
Vaquill
Search US Law
/us/statutes/search

Search US federal and state statutes, regulations, and court rules by question or keyword.

from $0.0400per call
0 Markup

Try it with your agents

01
Ground a decision in census data
Set up https://monid.ai/SKILL.md, and then use Monid to pull census demographics for Austin, Denver, and Raleigh and compare their age and income distributions.

How-to guide

What does the statute actually say?the statute text with its citation, and what the excerpt cutfind the statute that governs <question> in <state> with vaquill on monid, asking for the largest excerpt the endpoint allows, which is free. the DEFAULT excerpt is short enough to cut the number out of the answer, so before you quote anything, check the text you have actually contains the figure i asked about. give me the section number, the citation and the official link, quote the text rather than summarising it, and do not tell me what it means for anyone the default excerpt cuts the answer out: on a second question in two states, the top hit's default excerpt contained no period at all: no six years in one state's section and no four years in the other's. An agent told to quote the text rather than summarise it then quotes a statute of limitations with no limitation in it, at full confidence, with a correct citation and a working government link attached the fix is free and this page missed it: the excerpt length is a parameter, it costs nothing, and its ceiling is four thousand characters. At that ceiling the excerpt was byte-identical to the plain text the body endpoint returns, proved by string equality, so for any section under the cap the paid body call buys nothing it is the real language either way: what comes back is the statute rather than a paraphrase of it; the question is only whether you were given all of it and it is citable: every result carries its citation and an external url pointing at the state legislature's own site, which returned HTTP 200 when we fetched it the coverage is free to check: about 5.1 million sections and 19.5 million passages across 53 jurisdictions, all flagged as having data, for $0.0000 before you spend anything. Those totals are live counters carrying their own measured-at stamp, so they move between runs watch the default limit: turning on inline bodies bills $0.06 per result on top of the $0.04, confirmed exactly at two limits, so the default limit of ten turns one search into $0.64 and the catalog understates it tenfold: that tier is listed as a flat $0.06 per call. It is $0.06 per RESULT, so at the default limit the listing is out by a factor of ten