{"uid":"cap_5Z2zpFy1bjOnGigOprpc2","slug":"zeroreader-bge-reranker-50fb07de","name":"ZeroReader BGE Reranker","description":"BGE Reranker — Re-rank search results for better relevance.","url":"https://api.zeroreader.com/v1/ai/reranker?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string"},"documents":{"type":"array","items":{"type":"string"}}}},"responseSchema":{"reranked":[{"index":0,"score":0.95}]},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_jDQSRE-umBanOHouUBBWJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Re-ranks a list of documents against a query to return relevance scores for better search result ordering.","exampleAgentPrompt":"I just retrieved 10 candidate passages from my vector search for the query 'how does transformer attention work' — can you rerank them by relevance so I surface the best ones at the top?","exampleUseCases":null,"resultDescription":"Returns an array of reranked results, each containing the original document index and a float relevance score (e.g. 0.95), ordered from most to least relevant to the query.","failureModes":["Empty documents array returns no results or an error","Query string missing causes malformed request","Documents list too large may exceed payload limits","Low-quality or very short documents may produce unreliable scores","Network or payment (x402) failure returns 402 or 5xx"],"whenToPreferThis":"Use this endpoint when you have a retrieval pipeline that produces candidate documents (e.g. from vector search or BM25) and need a cross-encoder-quality reranker to re-score and reorder them before presenting results or feeding them into a language model. Ideal for RAG systems that need better relevance ranking at $0.001 per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T01:16:54.534Z","isFirstParty":false,"canonicalSlug":"zeroreader-bge-reranker-50fb07de"}