{"uid":"cap_gkWMujVR9FK7z4WDWegqs","slug":"llm402-ai-claude-opus-4-7-fast-inference-fec9b7fa","name":"llm402.ai Claude Opus 4.7 Fast Inference","description":"LLM inference","url":"https://llm402.ai/v1/chat/completions/claude-opus-4.7-fast?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"model":{"type":"string","const":"anthropic/claude-opus-4.7-fast","description":"This endpoint serves exactly one model."},"top_k":{"type":"integer","minimum":1},"top_p":{"type":"number","maximum":1,"minimum":0},"stream":{"type":"boolean","default":false},"messages":{"type":"array","items":{"type":"object","required":["role","content"],"properties":{"role":{"enum":["system","user","assistant","tool"],"type":"string"},"content":{"type":"string"}}},"minItems":1},"max_tokens":{"type":"integer","minimum":1,"description":"Cap on generated tokens. Price scales with this cap."},"temperature":{"type":"number","maximum":2,"minimum":0}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.33792","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.33792/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.33792","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.33792","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_TgTCkpafZE8ImLlIXnk6o","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.33792","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs LLM inference against Claude Opus 4.7 Fast via a pay-per-call x402 API endpoint","exampleAgentPrompt":"Send this conversation thread to Claude Opus 4.7 Fast and get a response: system prompt is 'You are a concise assistant', and the user says 'Summarize the key points of the attached report in three bullet points.'","exampleUseCases":[{"title":"Agentic pipeline LLM reasoning step","prompt":"I need you to call Claude Opus 4.7 Fast with this system prompt — 'You are an expert analyst' — and ask it: 'Given these financial metrics, identify the top three risks.' Return whatever Claude says."},{"title":"Dynamic content generation for SaaS","prompt":"Use the Claude Opus fast model to generate a personalized onboarding email for a new user named Alex who signed up for our project management tool — keep it friendly and under 150 words."},{"title":"Code review and explanation","prompt":"Pass this Python function to Claude Opus 4.7 Fast and ask it to review the code for bugs and explain what each section does: [paste code here]."}],"resultDescription":"Returns a chat completion object in OpenAI-compatible format, including the assistant's generated message content, finish reason, token usage counts (prompt tokens, completion tokens, total tokens), and model metadata. The primary output is the assistant's text reply to the provided messages.","failureModes":["Payment failure (x402 USDC payment not accepted or insufficient balance)","Malformed messages array causes 400 bad request","Model overload or rate limiting returns 429 or 503","Context window exceeded if conversation history is too long","Network timeout if inference takes longer than expected","Invalid API format or missing required fields returns 422"],"whenToPreferThis":"Choose this endpoint when you need Claude Opus 4.7 Fast inference on a strict pay-per-call basis without managing Anthropic API keys or subscriptions, especially in agentic or automated workflows that require x402 USDC micropayment billing. Ideal for agents needing frontier-model reasoning at low per-call cost ($0.34 per call) with an OpenAI-compatible interface. Prefer this over raw Anthropic API access when you want decentralized, programmable payment flows or when operating in crypto-native environments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T00:26:54.165Z","isFirstParty":false,"canonicalSlug":"llm402-ai-claude-opus-4-7-fast-inference-fec9b7fa"}