{"query":"cfr","matched":8,"count":8,"catalog_size":133,"note":"Ranked by where the terms matched (id and tags beat prose). Call example_url as-is; free products need no payment, paid ones return 402 with the price.","products":[{"id":"impact_cfr_citers","endpoint":"/v1/impact/cfr","price_usd":0.02,"description":"Which public companies cite a given CFR title and part in their SEC filings — exact-phrase full-text join aggregated per registrant with filing counts, forms and dates. Screen exposure to specific provisions in one call.","when_to_use":"Your obligations map to known CFR parts and you want the citing issuers.","tags":["regulation","cfr","sec","exposure"],"example_url":"https://answerpool.io/v1/impact/cfr?cfr_title=17&cfr_part=240","sample_url":"https://answerpool.io/v1/samples/impact_cfr_citers"},{"id":"reg_cfr_watch","endpoint":"/v1/regs/cfr","price_usd":0.02,"description":"Federal rules and proposed rules amending a specific CFR title and part (e.g. 17 CFR 240), newest first with deadline flags. Watch the exact provisions you are subject to instead of whole agencies or topics.","when_to_use":"Your obligations map to known CFR parts and you react only to those.","tags":["regulation","cfr","watch","compliance"],"example_url":"https://answerpool.io/v1/regs/cfr?cfr_title=17&cfr_part=240","sample_url":"https://answerpool.io/v1/samples/reg_cfr_watch"},{"id":"reg_cfr_titles","endpoint":"/v1/regs/cfr-titles","price_usd":0.0,"description":"All 50 CFR titles with names, searchable — subject to CFR title number in one call, feeding the CFR-part watch endpoints. Free, no key.","when_to_use":"You need to map a regulated subject to its CFR title, or decode one.","tags":["regulation","cfr","glossary","free"],"example_url":"https://answerpool.io/v1/regs/cfr-titles?q=energy","sample_url":"https://answerpool.io/v1/samples/reg_cfr_titles"},{"id":"reg_resolve","endpoint":"/v1/regs/resolve","price_usd":0.0,"description":"Any regulatory string in — agency name or acronym, \"40 CFR 60\", a document number — canonical identifier and the ready-to-call endpoint out. One call instead of picking a lookup. Free, no key.","when_to_use":"You have a citation, acronym or document number and need the identifier plus where to send it.","tags":["regulation","resolve","cfr","identifiers","free"],"example_url":"https://answerpool.io/v1/regs/resolve?q=40+CFR+60","sample_url":"https://answerpool.io/v1/samples/reg_resolve"},{"id":"reg_doc_types","endpoint":"/v1/regs/doc-types","price_usd":0.0,"description":"Federal Register document types (final rule, proposed rule, notice, presidential) and every AnswerPool regulation flag, with what each implies for deadlines and CFR changes. Free, no key.","when_to_use":"You need to interpret a document type or a flag on a regulation response.","tags":["regulation","glossary","types","flags","free"],"example_url":"https://answerpool.io/v1/regs/doc-types?q=rule","sample_url":"https://answerpool.io/v1/samples/reg_doc_types"},{"id":"reg_document","endpoint":"/v1/regs/document","price_usd":0.0,"description":"Fetch one Federal Register document by document number — normalized agencies, CFR references, docket ids, effective and comment dates with day-counts and deadline flags. Free. Same schema as all AnswerPool regulation feeds.","when_to_use":"You have a document number (e.g. from a watch feed) and need full details.","tags":["regulation","federalregister","document","free"],"example_url":"https://answerpool.io/v1/regs/document?document_number=2026-12341","sample_url":"https://answerpool.io/v1/samples/reg_document"},{"id":"reg_rules","endpoint":"/v1/regs/rules","price_usd":0.0,"description":"Track US federal rules by term or agency — returns Federal Register rules and proposed rules with docket/RIN/CFR ids, effective and comment-close dates, deadline flags and day counts. Use instead of polling federalregister.gov.","when_to_use":"You need current federal rulemaking activity for a topic or agency — new proposals, imminent effective dates, closing comment windows — as structured JSON in one call.","tags":["federal-register","regulation","rulemaking","compliance","policy"],"example_url":"https://answerpool.io/v1/regs/rules?term=artificial+intelligence","sample_url":"https://answerpool.io/v1/samples/reg_rules"},{"id":"impact_rule_companies","endpoint":"/v1/impact/rule","price_usd":0.05,"description":"Map a Federal Register rule to the public companies whose SEC filings cite its docket, RIN or CFR part — cross-corpus full-text join, ranked by citation strength with filing counts and dates. One call replaces holding and joining both corpora.","when_to_use":"You hold a Federal Register document number and need the likely-affected issuer list.","tags":["regulation","impact","sec","crosscorpus"],"example_url":"https://answerpool.io/v1/impact/rule?document_number=2026-12341","sample_url":"https://answerpool.io/v1/samples/impact_rule_companies"}]}