{"uid":"cap_UmiZfRD42ZXwh6lBjdrZN","slug":"fold-x402-claude-sonnet-onchain-market-intelligence-909caee8","name":"fold · x402 — Claude Sonnet Onchain Market Intelligence","description":"Machine-readable market intelligence for onchain agents, served over x402.","url":"https://x402.fold.computer/llm/claude-sonnet","method":"POST","headers":{},"bodySchema":{"type":"object","required":["messages"],"properties":{"messages":{"type":"array","description":"OpenAI-format chat messages"},"max_tokens":{"type":"number"},"temperature":{"type":"number"}}},"responseSchema":{"type":"object","required":["status","data"],"properties":{"data":{"type":"object","description":"OpenAI-format completion + x402 cost info"},"status":{"type":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"2","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":"$2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_aoDpsLeRhkz5xl0F6YpBX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"2","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Provides machine-readable onchain market intelligence via a Claude Sonnet LLM interface, gated by x402 micropayment ($2 USDC per call)","exampleAgentPrompt":"Ask fold's onchain market intelligence model: what are the current trends in DeFi liquidity pools this week, and which protocols are seeing unusual volume? Keep the response concise, under 300 tokens.","exampleUseCases":null,"resultDescription":"An OpenAI-format chat completion containing the AI-generated market intelligence response, plus x402 cost metadata showing how much USDC was charged for the call, and a status field indicating success or failure.","failureModes":["Payment not fulfilled — 402 response if x402 payment header is missing or insufficient","Invalid messages format — 400 error if messages array is missing or malformed","Model timeout — slow or no response if the underlying Claude Sonnet call times out","Insufficient USDC balance — payment rejected if the calling agent lacks funds","Rate limiting — 429 if the endpoint is overloaded","Empty or null messages array — validation error on required field"],"whenToPreferThis":"Choose this endpoint when you need an AI agent to reason about onchain/DeFi market conditions using a capable LLM (Claude Sonnet), and you want per-call micropayment billing via x402 rather than a subscription. Ideal for autonomous agents that only pay when they actually query, and need structured OpenAI-compatible responses they can pipe into downstream logic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T16:28:13.736Z","isFirstParty":false}