{"uid":"cap_Mb3sBy4-F5HhdHO6csKyG","slug":"autumn-eight-embeddings-endpoint-3f860a89","name":"Autumn Eight Embeddings Endpoint","description":"Agent-payable inference. Chat, embeddings, rerank, transcription and speech.","url":"https://x402.autumn8.net/v1/embeddings?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_TE5oqbgmW5FgNvy0QGau8","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":"Generates vector embeddings from input text, payable per call via x402 micropayment protocol","exampleAgentPrompt":"Embed this text using Autumn Eight's inference broker so I can store it in my vector database: 'Customer complained about late delivery and poor packaging quality.'","exampleUseCases":[{"title":"RAG pipeline document ingestion","prompt":"Take these 50 product documentation paragraphs and embed them all using Autumn Eight so I can store them in my Pinecone index for retrieval-augmented generation."},{"title":"Semantic similarity search backend","prompt":"I need you to embed this user search query — 'wireless headphones with long battery life' — so I can find the most similar product listings in my vector store."},{"title":"Customer feedback clustering","prompt":"Convert these customer review snippets into embeddings via Autumn Eight so I can cluster them and identify common complaint themes automatically."}],"resultDescription":"Returns a JSON object containing an array of float vectors (one embedding per input), along with model metadata and token usage counts. Each embedding is a high-dimensional float array suitable for cosine similarity search, storage in vector databases, or downstream ML tasks.","failureModes":["Payment failure or insufficient USDC balance causes 402 Payment Required response","Invalid or missing input text returns 400 Bad Request","Unsupported model name returns 400 or 422 validation error","Rate limiting or overload returns 429 Too Many Requests","Network timeout on large input batches","Empty input array returns error or empty embedding list"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call text embeddings without a subscription or API key setup, especially in agentic workflows where autonomous micropayment via x402 is desirable. Ideal for bursty or low-volume embedding needs, or when building agent pipelines that need to self-fund inference costs programmatically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:33:44.355Z","isFirstParty":false,"canonicalSlug":"autumn-eight-embeddings-endpoint-3f860a89"}