{"uid":"cap_SToDs-XN5ska-xGpvv2ws","slug":"autumn-eight-rerank-182bb898","name":"Autumn Eight Rerank","description":"Agent-payable inference. Chat, embeddings, rerank, transcription and speech.","url":"https://x402.autumn8.net/v1/rerank?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_WGCyipA0s2yNOoMCD-019","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Reranks a list of passages or documents by relevance to a query, payable by AI agents via x402 micropayment.","exampleAgentPrompt":"I have a user query 'best practices for securing microservices' and a list of 20 retrieved document chunks — can you rerank them by relevance so we use only the top 5 most relevant passages in our RAG pipeline?","exampleUseCases":[{"title":"RAG pipeline passage selection","prompt":"I've retrieved 15 candidate chunks from our knowledge base for the query 'how to configure OAuth2 with PKCE' — rerank them by relevance and keep only the top 3 to send to the LLM."},{"title":"Search result quality improvement","prompt":"We ran a keyword search for 'machine learning deployment best practices' and got 10 results — can you rerank them by semantic relevance to the query so the most useful ones appear first?"},{"title":"Candidate answer ranking for QA","prompt":"Here are 8 candidate answers to the question 'What are the side effects of ibuprofen?' extracted from medical documents — rerank them so the most relevant and precise answer is ranked highest."}],"resultDescription":"Returns the input documents reordered by relevance score to the query, with each document accompanied by a relevance/confidence score, enabling the caller to select top-k most relevant results.","failureModes":["Empty document list returns error or empty results","Query or documents exceeding token limits may fail or be truncated","Payment failure via x402 results in 402 Payment Required response","Unsupported model identifier returns model-not-found error","Malformed request body returns 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you need agent-payable, micropayment-based reranking without managing API keys or subscriptions — ideal for autonomous AI agents in RAG pipelines that need to dynamically pay per rerank call via x402 protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:38:44.070Z","isFirstParty":false,"canonicalSlug":"autumn-eight-rerank-182bb898"}