{"query":"research-momentum","matched":1,"count":1,"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":"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"}]}