{"uid":"cap_BUOBb0414l6T1HMlZO_x0","slug":"linkup-deep-search-iterative-multi-query-agentic-retrieval-adeaf272","name":"Linkup Deep Search (Iterative Multi-Query Agentic Retrieval)","description":"Linkup — DEEP agentic search: iterative multi-query retrieval for hard or multi-hop questions where one-pass search misses. Same params as linkup/search (`q` + outputType/dates/domain filters). Slower (tens of seconds) and 5× the price — escalate here only after linkup/search or exa/search come back thin. For full multi-step research reports, parallel/task (10-30¢) is the bigger rung.","url":"https://vaaya.ai/api/run/linkup/deep-search","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","$schema":"http://json-schema.org/draft-07/schema#","required":["q"],"properties":{"q":{"type":"string","maxLength":4000,"minLength":1},"toDate":{"type":"string","maxLength":30,"minLength":4},"fromDate":{"type":"string","maxLength":30,"minLength":4},"outputType":{"enum":["sourcedAnswer","searchResults","structured"],"type":"string"},"includeImages":{"type":"boolean"},"excludeDomains":{"type":"array","items":{"type":"string"}},"includeDomains":{"type":"array","items":{"type":"string"}},"includeInlineCitations":{"type":"boolean"},"structuredOutputSchema":{"type":"string","minLength":2}},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"pathParams":{"type":"object"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ai5CMDHZcY7DkVGR3BcIG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs deep, iterative multi-query agentic web search to answer complex or multi-hop questions that single-pass search cannot resolve.","exampleAgentPrompt":"I need a thorough, cited answer to a complex research question: 'How has the regulatory landscape for stablecoins evolved across the US, EU, and UK since 2020, and what are the key differences in their current frameworks?' Use deep iterative search to cover all angles.","exampleUseCases":[{"title":"Multi-hop competitive intelligence research","prompt":"Do deep research on how Anthropic's funding rounds have influenced OpenAI's fundraising strategy — I need a cited, synthesized answer covering events across multiple years, not just a surface overview."},{"title":"Hard policy comparison across jurisdictions","prompt":"I need a thorough answer comparing how the US, EU, and Singapore each regulate crypto exchanges — basic search gave me thin results, so please do deep iterative research to cover the nuances."},{"title":"Niche scientific topic synthesis","prompt":"Can you do a deep search on the mechanisms by which CRISPR base editing differs from prime editing in therapeutic applications? I want a detailed cited answer — this is the kind of question where a quick search won't be enough."}],"resultDescription":"A cited, synthesized answer or ranked set of results drawn from multiple iterative web searches; may include source URLs, extracted evidence passages, and a composed response to the query. Response time is in the range of tens of seconds.","failureModes":["Query too vague to iterate meaningfully — returns thin or generic results","Timeout if the iterative search exceeds platform limits","Domain filter too restrictive — no relevant results found within scope","Rate limiting or quota exceeded — service returns error","Underlying Linkup provider unavailable — upstream error propagated"],"whenToPreferThis":"Use this endpoint only after a standard single-pass search (e.g. linkup/search or exa/search) has returned insufficient or thin results for a complex, multi-hop, or hard research question. It is 5× more expensive and significantly slower than standard search, so it should be reserved for questions that genuinely require iterative query refinement, cross-source synthesis, or multi-hop reasoning. Do not use it for simple factual lookups or when speed is critical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:34:11.401Z","isFirstParty":false}