{"uid":"cap_0_AKQEstQljKymihxBkVb","slug":"agent-signals-japan-crypto-premium-intelligence-x402-d4b16952","name":"Agent Signals — Japan Crypto Premium Intelligence (x402)","description":"Pay-per-call crypto market-intelligence API for autonomous AI trading agents. Funding-rate, BTC lead-lag and trend/chop regime signals, settled in USDC over x402.","url":"https://cryptojp.com/v1/jp/premium","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"],"type":"string"},"queryParams":{"type":"object","required":["symbol"],"properties":{"symbol":{"type":"string","description":"Base asset symbol (JPY-listed), e.g. BTC, ETH, XRP."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"base":"BTC","usdJpy":160.36,"premiumPct":0.078,"japanPriceJpy":10318000,"japanPriceUsd":64350.1,"globalPriceUsd":64300,"interpretation":"Japan ≈ global; no meaningful premium right now."}},"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"symbol":"BTC"}}},"response":{"ok":true,"base":"BTC","usdJpy":160.455,"computedAt":"2026-06-18T06:48:37.473Z","disclaimer":"Derived heuristic from public market data. Not financial advice. Verify before trading.","premiumPct":0.151,"japanPriceJpy":10302112,"japanPriceUsd":64205.76,"globalPriceUsd":64108.8,"interpretation":"Japan ≈ global; no meaningful premium right now."}},"exampleRequest":{"symbol":"BTC"},"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_YgH4JzA7DkToLxvgom1wv","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":"Returns the Japan crypto price premium percentage for a given asset (e.g. BTC) versus global prices, with USD/JPY rate and interpretation, paid per-call via x402 USDC.","exampleAgentPrompt":"What's the current Japan crypto premium for BTC — is it trading meaningfully higher in Japan than globally right now?","exampleUseCases":null,"resultDescription":"A JSON object with ok status, base asset symbol, USD/JPY exchange rate, Japan price in JPY, Japan price in USD, global price in USD, premium percentage, and a plain-English interpretation of whether the Japan premium is meaningful.","failureModes":["Invalid or unsupported symbol returns an error (only JPY-listed assets like BTC, ETH, XRP are supported)","Payment failure via x402 returns HTTP 402 if USDC payment is not settled","Missing required 'symbol' query parameter causes a 400 validation error","Stale or unavailable exchange data may result in degraded or missing price fields"],"whenToPreferThis":"Use this endpoint when an AI trading agent needs real-time Japan-specific crypto price premium data (Japan price vs. global price) for a JPY-listed asset, particularly for arbitrage signal detection, regional market intelligence, or monitoring Japan exchange premiums. Best suited for agents already integrated with x402 micropayment flows at $0.01 per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:33:29.918Z","isFirstParty":false}