{"uid":"cap_mfXhf6lJ3GX1RBW47IjC0","slug":"klymax402-vector-search-api-da570e58","name":"Klymax402 Vector Search API","description":"Store text and search by semantic similarity","url":"https://vector-search.api.klymax402.com/api/search","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"topK":{"type":"number","description":"Number of top results to return (default: 3, max: 10)"},"query":{"type":"string","description":"The text query to search for"},"documents":{"type":"array","items":{"type":"string"},"description":"Array of text documents to index (optional if already stored in this session)"},"namespace":{"type":"string","description":"Namespace to isolate document sets (default: 'default')"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.012","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.012/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.012","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.012","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NevlJ3AZwzCJaFqhle7cD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.012","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Indexes text documents and retrieves the most semantically similar results for a given query using vector embeddings","exampleAgentPrompt":"Search these five product descriptions — 'noise-cancelling headphones with 30hr battery', 'wireless earbuds for sport', 'over-ear studio monitor headphones', 'budget wired earphones', 'Bluetooth speaker with bass boost' — and return the top 2 most similar to 'headphones for long work-from-home sessions', using namespace 'products'.","exampleUseCases":null,"resultDescription":"Returns the top-K text documents from the indexed set that are most semantically similar to the query, ranked by similarity. Typically includes the matched document text and relevance scores.","failureModes":["Query string missing — returns 400 bad request","topK exceeds max of 10 — clamped or rejected","No documents provided and no prior session documents — returns empty results or error","Namespace not found — returns empty result set","Payment not completed — returns 402 payment required","Network timeout on large document arrays"],"whenToPreferThis":"Choose this endpoint when you need to search a custom, ad-hoc set of documents by semantic meaning rather than keyword matching, especially when the document set is provided at query time or scoped to a session/namespace. Prefer this over full-text search when the user's query intent matters more than exact word overlap, and when you need to rank results by conceptual similarity rather than lexical frequency.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:39:07.117Z","isFirstParty":false}