Search newest U.S. Federal Register document metadata by topic, agency, type, and publication date, returning bounded regulatory notices, rules, proposed rules, presidential documents, and links to FederalRegister.gov and official govinfo.gov PDFs.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X POST 'https://apiacre.com/v1/research/federal-register-search' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch -X POST 'https://apiacre.com/v1/research/federal-register-search'
Endpoint: https://apiacre.com/v1/research/federal-register-search. Operated by apiacre.com, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.
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