{"query":"signal","matched":10,"count":10,"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":"funding_signals","endpoint":"/v1/funding/signals","price_usd":0.02,"description":"Get the US federal money trail for a technology term — returns USAspending obligations by fiscal year with 3y growth, top recipients, NIH grant counts and recent projects, plus flags. Use instead of joining two federal APIs.","when_to_use":"You need federal funding momentum, recipients, or NIH activity for a technology in one structured call.","tags":["usaspending","nih-grants","federal-funding","deep-tech","market-research"],"example_url":"https://answerpool.io/v1/funding/signals?term=quantum+computing","sample_url":"https://answerpool.io/v1/samples/funding_signals"},{"id":"sec_insider_clusters","endpoint":"/v1/sec/insider/clusters","price_usd":0.05,"description":"List issuers where 3+ distinct officers or directors bought within a week — returns combined buy USD, insider count and names per issuer. A derived cluster signal no other API sells as one call; use as a high-conviction insider screen.","when_to_use":"Screening for the strongest insider-buying setups.","tags":["sec","form4","insider","cluster","signal"],"example_url":"https://answerpool.io/v1/sec/insider/clusters?days=7","sample_url":"https://answerpool.io/v1/samples/sec_insider_clusters"},{"id":"sec_distress_screen","endpoint":"/v1/sec/screen/distress","price_usd":0.05,"description":"Rank companies by distress signals in one call — bankruptcy, delisting notices, restatements and impairments joined and sorted by salience score. A derived screen no other API sells as one endpoint; use for credit and short research.","when_to_use":"Cross-signal distress screening.","tags":["sec","edgar","distress","screen","signal"],"example_url":"https://answerpool.io/v1/sec/screen/distress?limit=25","sample_url":"https://answerpool.io/v1/samples/sec_distress_screen"},{"id":"fda_drug_events","endpoint":"/v1/fda/drug-events","price_usd":0.0,"description":"Most-reported reactions for a drug plus the serious/non-serious split from FDA's adverse-event system, with the reporting-bias and non-causality caveats carried in the response. Signal generation only. Free, no key.","when_to_use":"You want the reported reaction profile for a drug, understanding it is not a rate.","tags":["health","fda","adverse-events","pharmacovigilance","free"],"example_url":"https://answerpool.io/v1/fda/drug-events?drug=atorvastatin","sample_url":"https://answerpool.io/v1/samples/fda_drug_events"},{"id":"sec_event_explain","endpoint":"/v1/sec/event","price_usd":0.0,"description":"Explain one indexed filing — returns its form, 8-K items and labels, and every derived event with flags and salience score, free. Use to audit any signal from our paid SEC endpoints against the underlying filing.","when_to_use":"Verifying or debugging a flag from any events endpoint.","tags":["sec","edgar","provenance","explain","free"],"example_url":"https://answerpool.io/v1/sec/event?accession=0001214659-26-011100","sample_url":"https://answerpool.io/v1/samples/sec_event_explain"},{"id":"sec_flag_glossary","endpoint":"/v1/sec/flags","price_usd":0.0,"description":"List every event flag our SEC pipeline emits — insider_buy_cluster, distress, accounting_red_flag, large_raise and more — with meanings. Free. Use once to filter the events and watch endpoints precisely.","when_to_use":"Before filtering any flagged feed.","tags":["sec","edgar","flags","glossary","free"],"example_url":"https://answerpool.io/v1/sec/flags","sample_url":"https://answerpool.io/v1/samples/sec_flag_glossary"},{"id":"technology_momentum","endpoint":"/v1/technology/momentum","price_usd":0.05,"description":"Score research momentum for any technology from OpenAlex (CC0) — returns momentum_score, acceleration_score, trend_label, growth series, leading institutions and researchers, key works, confidence and provenance. Use before betting a field is accelerating.","when_to_use":"You need a quantified, source-cited answer to \"is this research or technology field accelerating, growing, stable, or declining?\" for one named topic, with growth ratios, leaders, and recent influential works, in one call.","tags":["technology-momentum","research-trends","openalex","deep-tech","science"],"example_url":"https://answerpool.io/v1/technology/momentum?topic=photonic+computing","sample_url":"https://answerpool.io/v1/samples/technology_momentum"},{"id":"sec_insider_summary","endpoint":"/v1/sec/insider/summary","price_usd":0.0,"description":"Summarize insider activity for one issuer — returns filings, distinct insiders, buy/sell/net USD and largest transactions over a chosen window. Use for a cheap net-buying signal before pulling full transaction lines.","when_to_use":"Quick per-company insider signal in one call.","tags":["sec","form4","insider","summary","edgar"],"example_url":"https://answerpool.io/v1/sec/insider/summary?ticker=JEF","sample_url":"https://answerpool.io/v1/samples/sec_insider_summary"},{"id":"reg_significant_rules","endpoint":"/v1/regs/significant","price_usd":0.02,"description":"Only E.O. 12866 significant federal rules and proposed rules — the OIRA-reviewed, economically major subset — newest first with deadline flags, optionally one agency. The high-signal fraction of rulemaking without scanning everything.","when_to_use":"You want signal over volume — only rulemaking with major economic impact.","tags":["regulation","significant","oira","tracker"],"example_url":"https://answerpool.io/v1/regs/significant?agency=securities-and-exchange-commission","sample_url":"https://answerpool.io/v1/samples/reg_significant_rules"},{"id":"ipo_withdrawn","endpoint":"/v1/ipo/withdrawn","price_usd":0.02,"description":"Registration statements withdrawn in the last N days (RW and AW filings), newest first with issuer and filing links — the dead-deal list as one call. Covers all registration types, stated in the response.","when_to_use":"You track failed or pulled offerings as a market signal.","tags":["ipo","withdrawn","rw","sec"],"example_url":"https://answerpool.io/v1/ipo/withdrawn?days=60","sample_url":"https://answerpool.io/v1/samples/ipo_withdrawn"}]}