{"uid":"cap_st5kjj8NTTBeq7bbl6sa_","slug":"tick-hugen-tokyo-cb6ab3b5","name":"tick.hugen.tokyo FX Tick Data API","description":"Get real-time Best Bid/Ask for any FX pair, aggregated from multiple institutional liquidity providers. 62-88% tighter spreads than any single source. Includes quality metadata (fresh_sources, quality_state, spread_vs_single_source). Supports 14 FX pairs including EURUSD, USDJPY, GBPUSD, AUDUSD, AUDNZD, and XAUUSD. AI agent API for forex trading signals, portfolio valuation, price comparison, and arbitrage detection. Accepts USDC payments on Base and Solana","url":"https://tick.hugen.tokyo/tick/latest","method":"GET","headers":{},"bodySchema":{"properties":{"input":{"required":["method"]}}},"responseSchema":{"type":"json","example":{"seq":42857,"symbol":"EURUSD","best_ask":"1.15919","best_bid":"1.15918","is_crossed":false,"best_spread":"0.00001","fresh_sources":2,"quality_state":"good","spread_vs_single_source":"-73.8%"}},"example":{"request":{"symbol":"EURUSD"},"response":{"seq":11017828,"leader":"source_e","symbol":"EURUSD","best_ask":"1.16637","best_bid":"1.16636","server_ts":1780078454420,"worst_ask":"1.16643","worst_bid":"1.16631","is_crossed":false,"leader_mid":"1.16637","median_mid":"1.16636","best_spread":"0.00001","quote_age_ms":532,"fresh_sources":4,"quality_state":"degraded","stale_sources":2,"best_ask_source":"source_c","best_bid_source":"source_c","spread_vs_single_source":"-91.7%"}},"exampleRequest":{"symbol":"EURUSD"},"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"1.00","reviews":0,"stars":null,"state":"rated"},"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_gKVagwFJdpDIIkxcI--RL","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 best bid/ask prices for a specified FX pair, aggregated from multiple institutional liquidity providers with spread quality metadata","exampleAgentPrompt":"Can you get me the current best bid and ask for EURUSD right now, including the spread quality and how many fresh sources are behind it?","exampleUseCases":null,"resultDescription":"Returns a JSON object with the aggregated best bid and ask prices, spread, sequence number, leader source, median and leader mid prices, quote age in milliseconds, number of fresh vs stale sources, quality state (e.g. 'degraded' or 'good'), and the spread improvement percentage versus using a single source alone.","failureModes":["Invalid or unsupported symbol returns error — only 14 pairs supported (EURUSD, USDJPY, GBPUSD, AUDUSD, AUDNZD, XAUUSD, etc.)","Payment failure (USDC not provided or insufficient) results in 402 Payment Required","All sources stale may result in degraded quality_state or no fresh quotes","Network timeout if liquidity providers are unreachable","Crossed market (is_crossed: true) indicates unusual spread condition"],"whenToPreferThis":"Use this endpoint when you need tightly aggregated institutional FX prices with spread quality metadata — particularly useful for AI trading signals, portfolio mark-to-market valuation, spread arbitrage detection, or any application where knowing source freshness and spread quality relative to single-source feeds matters. Prefer over single-source FX APIs when spread tightness and multi-source confidence are important.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":1,"lastUsedAt":"2026-06-01T17:19:42.620Z","lastSuccessfullyRanAt":"2026-06-01T17:19:42.620Z","lastHealthCheckAt":"2026-09-15T00:41:14.428Z","isFirstParty":false}