{"query":"trend","matched":11,"count":11,"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":"fda_recall_trends","endpoint":"/v1/fda/recall-trends","price_usd":0.0,"description":"Recall counts by hazard class, firm, state and status over your window, with the Class I share computed. The aggregate, not a record dump. Free, no key.","when_to_use":"You want the distribution of recall activity across a category or window.","tags":["health","fda","recalls","trends","free"],"example_url":"https://answerpool.io/v1/fda/recall-trends?category=drug&days=365","sample_url":"https://answerpool.io/v1/samples/fda_recall_trends"},{"id":"sec_form_trend","endpoint":"/v1/sec/trends/form","price_usd":0.02,"description":"Get monthly EDGAR-wide volume for any form since 2021 — S-1 as an IPO-pipeline proxy, Form D as private-capital activity, 10-K seasonality — one series, coverage stated. Use instead of counting filings yourself month by month.","when_to_use":"Market-level cycle and seasonality questions by form.","tags":["sec","edgar","trend","ipo","filings"],"example_url":"https://answerpool.io/v1/sec/trends/form?form=S-1","sample_url":"https://answerpool.io/v1/samples/sec_form_trend"},{"id":"kev_stats","endpoint":"/v1/cyber/kev/stats","price_usd":0.0,"description":"Aggregates over the CISA KEV catalog: top exploited vendors all-time and recent, additions by month, top CWE weakness types, ransomware share and past-due count. Free, no key.","when_to_use":"You want the distribution and trend of real-world exploitation.","tags":["security","vulnerability","trends","kev","free"],"example_url":"https://answerpool.io/v1/cyber/kev/stats?days=90","sample_url":"https://answerpool.io/v1/samples/kev_stats"},{"id":"reg_activity","endpoint":"/v1/regs/activity","price_usd":0.0,"description":"Per-agency Federal Register volume with prior-window change and doc-type totals — which regulators are accelerating, in one call instead of a pagination crawl. Free, no key.","when_to_use":"You want the agency-level activity map or trend, not the documents.","tags":["regulation","activity","agencies","trend","free"],"example_url":"https://answerpool.io/v1/regs/activity?days=90","sample_url":"https://answerpool.io/v1/samples/reg_activity"},{"id":"sec_13f_crowding","endpoint":"/v1/sec/13f/crowding","price_usd":0.05,"description":"Institutional breadth in an issuer over the quarters we hold: holders, value and shares per quarter with changes, plus the managers that entered or exited last quarter. Built from accumulated 13F history, not a single snapshot.","when_to_use":"You need the direction of institutional interest in an issuer over time.","tags":["sec","13f","crowding","institutional","trend"],"example_url":"https://answerpool.io/v1/sec/13f/crowding?issuer=NVIDIA","sample_url":"https://answerpool.io/v1/samples/sec_13f_crowding"},{"id":"technology_emerging","endpoint":"/v1/technology/emerging","price_usd":0.05,"description":"Rank the fastest-accelerating research topics across ~4,500 OpenAlex topics, weekly — returns rank, momentum z-score, growth, acceleration and citation-quality growth per topic, filterable by field. Use to find what is accelerating.","when_to_use":"You need a ranked, evidence-backed list of accelerating fields (optionally within one discipline) to seed scouting, diligence, or content, and would otherwise scan topic by topic.","tags":["emerging-technology","research-trends","openalex","technology-scouting","science"],"example_url":"https://answerpool.io/v1/technology/emerging?limit=25","sample_url":"https://answerpool.io/v1/samples/technology_emerging"},{"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_filing_volume","endpoint":"/v1/sec/volume","price_usd":0.0,"description":"Daily counts for any SEC form vs its 52-week average and last year's same window, from our multi-year index — filing-volume anomalies in one call. Free, no key.","when_to_use":"You need volume context — surge or lull detection — for a form type.","tags":["sec","filings","volume","baseline","free"],"example_url":"https://answerpool.io/v1/sec/volume?form=8-K","sample_url":"https://answerpool.io/v1/samples/sec_filing_volume"},{"id":"technology_lookup","endpoint":"/v1/technology/lookup","price_usd":0.0,"description":"Look up statistical research momentum for one OpenAlex topic (free) — returns rank among ~4,500 topics, momentum z-score, 1y/3y/5y growth, acceleration and per-year counts. Use to screen a field before paying for a full judgment.","when_to_use":"You have a topic and want its numbers now, or you are screening many topics.","tags":["research-momentum","openalex","technology-scouting","free","science"],"example_url":"https://answerpool.io/v1/technology/lookup?topic=photonic+computing","sample_url":"https://answerpool.io/v1/samples/technology_lookup"},{"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_filing_cadence","endpoint":"/v1/sec/filings/cadence","price_usd":0.02,"description":"Get a filer's year-by-year filing counts per form since 2021 — reporting rhythm, disclosure volume and gaps in one call from our historical index. Use to spot stopped reports or disclosure spikes without listing filings.","when_to_use":"Rhythm/volume questions per filer.","tags":["sec","edgar","cadence","filings","history"],"example_url":"https://answerpool.io/v1/sec/filings/cadence?ticker=NVDA","sample_url":"https://answerpool.io/v1/samples/sec_filing_cadence"}]}