{"slug":"search-infrastructure","name":"Search Infrastructure","description":"Embedding models, vector and keyword indexes, retrieval engines, rerankers, and evaluation tools behind dependable search for agents.","order":3,"path":"search-infrastructure","directCount":1,"count":1,"url":"https://www.searchforagents.com/topics/search-infrastructure","representations":{"html":"https://www.searchforagents.com/topics/search-infrastructure","markdown":"https://www.searchforagents.com/topics/search-infrastructure.md","json":"https://www.searchforagents.com/topics/search-infrastructure.json"},"children":[],"posts":[{"title":"What should a search API return to an agent?","summary":"Valyu, Exa, and Parallel return different combinations of links, passages, dates, and diagnostics. Here is the evidence contract an agent needs to build around their results.","url":"https://www.searchforagents.com/blog/what-should-a-search-api-return-to-an-agent","updatedAt":"2026-09-25"}]}