{"uid":"cap_6szhL3JyWDsDKS5y0Pd1v","slug":"combify-compute-chat-text-q-a-summarization-8727fc0c","name":"Combify Compute Chat (Text Q&A & Summarization)","description":"General question answering, summarization, and short-form generation for TEXT input (Llama 3.1 8B instruct), fixed price $0.01 USDC. Use this when you already have text; use /transcribe for audio and /caption for images. POST JSON body {prompt (required, max 2000 chars), max_tokens (optional 1-512, default 256)}. Returns {text}. Unpaid calls get 402; paid calls settle only on success.","url":"https://compute.combify.app/chat?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"prompt":{"type":"string","description":"User prompt, max 2000 chars"},"max_tokens":{"type":"integer","description":"Max output tokens, 1 to 512"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_tTlsJOfcLBi8uHlADWA-d","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Answers questions, summarizes text, and generates short-form written content from a text prompt using Llama 3.1 8B Instruct for $0.01 USDC per call.","exampleAgentPrompt":"Summarize the following meeting notes into three bullet points and keep the output under 150 tokens: 'We discussed Q3 roadmap priorities, agreed to delay the mobile launch by two weeks, and assigned Sarah to lead the redesign effort.'","exampleUseCases":[{"title":"Summarize article for newsletter","prompt":"Here's a 500-word news article — can you summarize it in 2-3 sentences suitable for a newsletter intro? Keep it under 100 tokens."},{"title":"Answer FAQ from product docs","prompt":"Given this product documentation excerpt, answer the question: 'Does the subscription auto-renew?' — use only the text I'm providing and keep your answer concise, within 80 tokens."},{"title":"Draft short marketing copy","prompt":"Write a punchy 2-sentence product description for a standing desk called the 'ErgoRise Pro' — keep it under 60 tokens and make it sound energetic and modern."}],"resultDescription":"Returns a JSON object with a single 'text' field containing the model's generated response, up to the requested max_tokens (default 256, max 512). The response reflects direct output from Llama 3.1 8B Instruct based on the supplied prompt.","failureModes":["402 Payment Required — call was made without a valid x402 payment; retry with correct USDC payment","prompt exceeds 2000 characters — request will be rejected","max_tokens out of range (must be 1–512) — validation error","model timeout or internal error — transient 5xx; retry","empty or missing prompt field — request rejected with validation error"],"whenToPreferThis":"Choose this endpoint when your input is plain text and you need question answering, summarization, or short-form generation. Use /transcribe instead if your input is audio, or /caption if your input is an image. This endpoint is optimized for text-in, text-out tasks at a low fixed cost of $0.01 USDC per call, making it ideal for high-frequency lightweight inference tasks where you already have the text content ready.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:34:39.579Z","isFirstParty":false,"canonicalSlug":"combify-compute-chat-text-q-a-summarization-8727fc0c"}