{"uid":"cap_zXCkqEpAiFreIHynhaija","slug":"gedx402-fast-chat-10ca0875","name":"GEDX402 Fast Chat","description":"Voice-agent reply turn — low-latency chat after WebSocket ASR flux and smart-turn detection. POST messages[]; synthesize with POST /v1/tts/aura-2-en. Bundle: GET /v1/models?bundle=voice.","url":"https://chat.gedx402.com/v1/chat/fast?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"messages":{"type":"array","items":{"type":"object"}},"max_tokens":{"type":"integer"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":1,"rating":{"score":"0.25","successRate":"0.50","reviews":1,"stars":"2.0","state":"rated"},"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_4Jvn4jj-7SDxJ1o7PIXwQ","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 using Cloudflare Workers AI (Llama 3.2 1B Instruct), paid per-call with USDC via x402 — no API key required.","exampleAgentPrompt":"Can you ask the GEDX402 fast chat endpoint to explain what a merkle tree is? Use a single user message saying 'What is a merkle tree and why is it useful?' and limit the reply to 200 tokens.","exampleUseCases":null,"resultDescription":"A JSON object containing the model identifier (e.g. '@cf/meta/llama-3.2-1b-instruct') and a 'response' string with the assistant's generated reply text.","failureModes":["Payment not received or insufficient USDC — 402 Payment Required returned","max_tokens exceeds 4096 — validation error","Malformed messages array (missing role or content) — 400 Bad Request","Network timeout on Workers AI backend — 503 or timeout error","Unsupported payment network specified — payment rejection"],"whenToPreferThis":"Choose this endpoint when you need a fast, cheap LLM chat completion (~$0.005/call) without registering for an API key, and you can pay in USDC on Base, Polygon, Arbitrum, World, or Solana via the x402 protocol. Best for low-latency, single-turn or short multi-turn conversations where cost per call matters and crypto-native payment is acceptable. Prefer over OpenAI or Anthropic APIs when you want keyless, permissionless AI inference paid on-chain.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":2,"lastUsedAt":"2026-07-17T21:28:25.276Z","lastSuccessfullyRanAt":"2026-07-17T21:28:25.276Z","lastHealthCheckAt":"2026-10-23T08:10:17.252Z","isFirstParty":false,"canonicalSlug":"gedx402-fast-chat-10ca0875"}