{"uid":"cap_7UdQ4tI7w95aseU6bRjPw","slug":"china-hot-search-api-x402-chinese-text-romanization-5dd9fd22","name":"China Hot Search API (x402) — Chinese Text Romanization","description":"Real-time hot-search / trending lists from 9 Chinese platforms in one JSON schema. Pay per call with USDC on Base via x402. No keys, no signup.","url":"https://china-trends-x402.onrender.com/v1/zh?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["text"],"properties":{"text":{"type":"string","maxLength":2000,"description":"Chinese text (Simplified or Traditional)."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"chars":4,"input":"中国热搜","pinyin":"zhōng guó rè sōu","simplified":"中国热搜","traditional":"中國熱搜","pinyinNumbers":"zhong1 guo2 re4 sou1"}},"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_UdU3NMnX-wiLQX9YPAbR6","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":"Converts Chinese text (Simplified or Traditional) to Pinyin romanization with tone marks, tone numbers, character count, and simplified/traditional variants.","exampleAgentPrompt":"Can you convert the Chinese text '中国热搜' to pinyin with tone marks and also show me its traditional Chinese form?","exampleUseCases":[{"title":"Pronunciation guide for learners","prompt":"I'm studying Mandarin — can you give me the pinyin with tone marks for '北京欢迎你' so I know how to say it?"},{"title":"Simplified to traditional conversion","prompt":"Convert '中国热搜' to its traditional Chinese form and also give me the pinyin so I can include both in my bilingual newsletter."},{"title":"Tone number lookup for input systems","prompt":"What is the pinyin with tone numbers for '人工智能'? I need the numbered format for my input method tool."}],"resultDescription":"A JSON object containing: the character count of the input, the original input string, Pinyin with diacritic tone marks, Simplified Chinese form, Traditional Chinese form, and Pinyin with numeric tone numbers (e.g. zhong1 guo2).","failureModes":["Non-Chinese or empty text input may return unexpected results or an error","Text exceeding 2000 characters is rejected by the schema","Payment failure via x402 returns a 402 status before any data is served","Network latency on Render free-tier hosting may cause timeouts under load"],"whenToPreferThis":"Choose this endpoint when you need a pay-per-call, no-signup Pinyin romanization service that also returns simplified/traditional variants and tone numbers in a single call, especially when integrating with x402 USDC micropayment flows on Base. Prefer it over subscription-based Chinese NLP APIs for low-volume, on-demand transliteration tasks where avoiding API key management is valuable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:36:27.331Z","isFirstParty":false,"canonicalSlug":"china-hot-search-api-x402-chinese-text-romanization-5dd9fd22"}