{"uid":"cap_P0mKJDr6uW5ZoHS5taSn8","slug":"hergert-synthora-llm-fast-inference-77298443","name":"HERGERT SYNTHORA LLM Fast Inference","description":"SYNTHORA LLM Gateway FAST: OpenAI-compatible /v1/chat/completions pay-per-call, no API keys. Fast free-tier models (llama-3.1-8b class) with automatic upstream failover, Ed25519-signed. 0.005 USDC via x402 on Base. POST {\"messages\":[{\"role\":\"user\",\"content\":\"...\"}]} (or {\"prompt\":\"...\"}).","url":"https://api.hergertsynthora.com/v1/llm-fast?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"model":{"type":"string","description":"Etiqueta aceptada; el tier fija el modelo real"},"prompt":{"type":"string","description":"Atajo sin messages"},"system":{"type":"string","description":"System prompt opcional (con prompt)"},"messages":{"type":"array","items":{"type":"object"},"description":"OpenAI chat messages"},"max_tokens":{"type":"integer","description":"Max output tokens (default 256, cap 1024)"},"temperature":{"type":"number"}}},"responseSchema":{"type":"json","example":{"ok":true,"niche":"llm_fast","result":{},"receipt":{"alg":"ed25519"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/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_XuRR_FRbdMyygOWWpEQPy","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs a fast LLM chat/completion call via Synthora's autonomous agent mesh, returning a text result with a cryptographic receipt.","exampleAgentPrompt":"Send this prompt to Synthora's fast LLM endpoint using the 'llm_fast' tier — system prompt: 'You are a concise assistant', user message: 'Summarize the key risks of investing in small-cap stocks', max 512 tokens, temperature 0.7.","exampleUseCases":[{"title":"Agent sub-task text generation","prompt":"I need you to call Synthora's fast LLM with this system prompt: 'You are a helpful market analyst' and this user message: 'List the top 5 factors driving EUR/USD volatility this week' — keep the response under 400 tokens."},{"title":"Autonomous workflow reasoning step","prompt":"Run a quick LLM inference on Synthora's fast endpoint: system is 'You are a decision-making agent', prompt is 'Given inventory is below 10 units, should we reorder now or wait? Answer in one sentence.', max_tokens 128."},{"title":"Market intelligence summarization","prompt":"Use Synthora's LLM fast tier to summarize this research text into three bullet points — system: 'You are a financial summarizer', prompt: 'Q3 revenue grew 14% YoY driven by enterprise subscriptions, while churn fell to 2.1%...', temperature 0.3, max 256 tokens."}],"resultDescription":"A JSON object with 'ok' (boolean), 'niche' set to 'llm_fast', a 'result' object containing the LLM-generated text, and a 'receipt' object with an ed25519 cryptographic signature confirming the paid call.","failureModes":["Invalid or unrecognized model label returns an error","Prompt or messages array missing returns validation error","max_tokens exceeds cap of 1024 — clamped or rejected","Payment not received via x402 — 402 response before execution","Temperature out of valid range causes parameter rejection","Both 'prompt' and 'messages' supplied may cause ambiguity or rejection"],"whenToPreferThis":"Choose this endpoint when you need a fast, pay-per-call LLM inference with a cryptographic receipt (ed25519) for auditability, priced in USDC via x402, from a European sovereign-infrastructure provider. Ideal for autonomous agent pipelines that require verifiable AI outputs without a subscription, or when operating in workflows that already use x402 micropayment rails.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T00:42:23.736Z","isFirstParty":false,"canonicalSlug":"hergert-synthora-llm-fast-inference-77298443"}