{"uid":"cap_Q4XhsnntTQUAGRjnx_ynQ","slug":"japanese-crypto-ticker-btc-eth-xrp-in-jpy-and-usd-605e2fbb","name":"Japanese Crypto Ticker (BTC/ETH/XRP in JPY and USD)","description":"Calendar and Japan data APIs for AI agents: worldwide holidays and business days (200+ countries), plus Japanese text-to-structure (address, name, bank, company normalization). Pay per call in USDC via x402, no API key.","url":"https://x402-ja-api.onrender.com/v1/jp/crypto/ticker","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","properties":{"symbol":{"enum":["BTC","ETH","XRP"],"type":"string","default":"BTC"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"fx":{"asOf":"Sun, 13 Sep 2026 00:02:31 +0000","source":"open.er-api.com","usdJpy":153.8},"jpy":{"max":11884688,"min":11873368,"median":11878483,"quotes":[{"ask":11874000,"bid":11873000,"last":11873368,"pair":"BTC_JPY","exchange":"bitflyer","timestamp":"2026-09-13T05:52:14.97","volume24h":1000},{"ask":11877000,"bid":11875000,"last":11876006,"pair":"btc_jpy","exchange":"coincheck","timestamp":"2026-09-13T05:52:10.000Z","volume24h":500}],"dispersion":0.000953},"usd":{"price":77280,"source":"coinbase"},"asOf":"2026-09-13T05:52:15.000Z","errors":[],"symbol":"BTC","premium":-0.000634,"impliedUsdJpy":153.7}},"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_xat218F74RLYS9gsEP_q8","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":"Returns real-time cryptocurrency price data for BTC, ETH, or XRP in both JPY (aggregated across Japanese exchanges) and USD, including FX rate and JPY premium/discount.","exampleAgentPrompt":"What's the current Bitcoin price in Japanese yen right now — pull quotes from Japanese exchanges like Bitflyer and Coincheck and also show me the USD price and FX rate?","exampleUseCases":[{"title":"JPY crypto arbitrage check","prompt":"Is Bitcoin trading at a premium or discount on Japanese exchanges compared to USD right now? Show me the implied USD/JPY rate versus the real FX rate."},{"title":"Real-time BTC/JPY market snapshot","prompt":"Pull me the latest Bitcoin price across Japanese crypto exchanges — I want the median, min, max, and which exchange has the best bid right now."},{"title":"ETH price monitoring in Japan","prompt":"What's Ethereum trading at on Japanese exchanges in yen, and how does the implied FX rate compare to the actual USD/JPY rate?"}],"resultDescription":"Returns a JSON object with: JPY quotes from multiple Japanese exchanges (bid, ask, last, volume24h, timestamp per exchange), aggregate JPY stats (min, max, median, dispersion), USD price from Coinbase, USD/JPY FX rate with source and timestamp, calculated JPY premium/discount vs USD implied rate, and the symbol queried.","failureModes":["Unsupported symbol requested (only BTC, ETH, XRP accepted) — returns validation error","Upstream exchange APIs unavailable — errors array populated, partial data returned","FX rate source unavailable — usdJpy field missing or stale","Payment not provided or insufficient — HTTP 402 response requiring x402 USDC payment","Network timeout to Japanese exchange APIs — delayed or empty quotes array"],"whenToPreferThis":"Choose this endpoint when you need real-time cryptocurrency prices specifically from Japanese exchanges (Bitflyer, Coincheck) in JPY, want to detect JPY premium/discount vs USD, or need combined FX + crypto data in a single call. Prefer over generic crypto APIs when Japan-specific market data, multi-exchange JPY aggregation, or kimchi-premium-style analysis is needed. Pay-per-call via x402 USDC with no API key required makes it suitable for agent workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:40:04.801Z","isFirstParty":false}