{"uid":"cap_WorDpuP-7XYsUnQvZh2s4","slug":"x402donghang-single-brief-crypto-trading-brief-generator-f374e896","name":"x402donghang Single Brief — Crypto Trading Brief Generator","description":"Fresh crypto narrative research with market context and verifiable source URLs. Free BTC sample; custom radar $0.02/call via x402 USDC.","url":"https://x402donghang.duckdns.org/x402/v1/single-brief","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"focus":{"type":"string","maxLength":64,"description":"Optional focus: spot | perp | macro | news"},"locale":{"enum":["en","zh"],"type":"string","description":"Output language; default zh"},"symbol":{"type":"string","maxLength":20,"minLength":1,"description":"Crypto ticker, e.g. BTC, ETH, SOL"},"context":{"type":"string","maxLength":6000,"description":"Optional market notes or on-chain snapshot"}}},"responseSchema":{"type":"json","example":{"ok":true,"bias":"中性偏多","risks":["宏观事件","流动性收缩"],"symbol":"BTC","thesis":"短线企稳，等待量能确认。","actions":["观察","回踩分批"],"bullets":["现货支撑稳固","杠杆尚未过热"],"product":"single-brief","timeframe":"波段","confidence":0.6,"disclaimer":"信息整理，非投资建议","invalidation":"跌破关键支撑"}},"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_lntPwl16_sv4_e3hyMOQq","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":"Generates a structured AI-powered trading brief for a given crypto ticker, including bias, thesis, risks, suggested actions, and confidence score, paid per-call via USDC.","exampleAgentPrompt":"Give me a quick AI trading brief for BTC in English — focus on spot market, and include any on-chain notes about recent whale accumulation.","exampleUseCases":[{"title":"Quick BTC spot market check","prompt":"Can you pull a trading brief for BTC right now, focused on the spot market, and give me the bias and key risks in English?"},{"title":"ETH perpetuals analysis before trade","prompt":"I'm thinking about opening a perp position on ETH — can you generate a trading thesis for me with confidence level and what would invalidate the setup? Give it to me in English."},{"title":"SOL macro brief in Chinese","prompt":"给我生成一份 SOL 的宏观市场简报，用中文输出，包含偏向、论点和建议操作。"}],"resultDescription":"A JSON object containing: ok status, market bias string (e.g. '中性偏多'), trading thesis, list of risk factors, suggested actions, bullet-point highlights, product label, timeframe, confidence score (0–1), invalidation condition, and a non-investment-advice disclaimer.","failureModes":["Missing required 'symbol' field returns validation error","Payment not attached or insufficient USDC triggers 402 Payment Required","Invalid locale value outside 'en'/'zh' enum causes schema rejection","Context field exceeding 6000 characters is rejected","Symbol not recognized may produce low-confidence or generic output"],"whenToPreferThis":"Choose this endpoint when you need a fast, structured, per-call AI trading brief for a specific crypto token without a subscription, and want to pay per use in USDC. It is ideal for agents that need a concise bias + thesis + actions summary rather than raw price data or charting. Prefer it over generic LLM calls when you want a pre-structured financial brief schema with confidence scoring and invalidation levels baked in.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:30:56.411Z","isFirstParty":false}