Japanese address validation and postal code lookup: 7-digit zip to prefecture/city/town with kana reading and Hepburn romaji. Use for shipping address verification, e-commerce checkout to Japan, logistics, KYC identity verification, CRM data cleaning, form autofill.

Summarize any text into a concise English brief with key points. No API key needed, pay per call. Use for document triage, news digests, research condensation, agent context compression.

Japanese-English translation (both directions) with natural, context-aware output. No API key needed, pay per call. Handles business documents, product descriptions, UI strings, emails. Auto-detects direction.

Anime pilgrimage (seichi junrei) guide: real-world locations featured in popular Japanese anime, with prefecture, nearest station, and what scene. For inbound fan-tourism trip planners and travel agents.

Baseball player lookup (TheSportsDB): team, position, nationality, birth date, description. Covers NPB (Japan) and MLB players. Use for sports apps, fantasy tools, fan bots.

Japanese public holidays and business day checker: national holidays for any year, plus is-business-day verdict for a specific date (holiday + weekend logic). Use for meeting scheduling, settlement dates, SLA deadlines, market open/closed checks, payroll, shipping ETA in Japan.

Cross-border business day overlap between Japan and any country (ISO2): checks holidays in both countries plus weekends for a given date. Use for international meeting scheduling, FX settlement dates (T+2), global team coordination, contract deadlines, logistics cutoffs.

World major city travel guide (English): top attractions, signature local food, and main transit system for the world's most populous cities. For global trip-planning agents. Complements the Japan-specific endpoints.

Japanese annual events and festivals (matsuri) by month: name, date/season, location, description in English. For inbound travel timing, cultural guides, event planning.

Download links and metadata for a single Japanese corporate filing (EDINET docId): full PDF and structured XBRL CSV financial data. Use for Japan company financial statements, balance sheet, income statement extraction, fundamental analysis of Tokyo Stock Exchange listed companies.

Japanese stock market fundamental research: daily list of corporate disclosures from EDINET (Japan FSA / Tokyo Stock Exchange listed companies). Annual securities reports, quarterly earnings reports, large shareholding (5% rule) filings. Use for Japan equity research, TSE stock analysis, Nikkei companies due diligence, M&A monitoring, activist investor tracking. English field names with docId, ticker (securities code), filing type, dates.

Japanese regional specialty food guide (English): iconic dishes like sushi, ramen, wagyu, curry, gyoza by type, origin prefecture, description, and where to find them. Curated for inbound travel agents, food guides, trip planners, restaurant discovery context.

Japanese yen exchange rates (JPY base, ECB reference): USD, EUR, GBP, CNY, KRW, AUD, CHF, SGD, HKD, TWD with inverse rates. Use for currency conversion, pricing in yen, invoice calculation, travel budgeting, forex context for Japan market analysis.

Historical daily JPY exchange rate series collected and stored by this API since July 2026. Returns date-indexed rates for USD, EUR, CNY, KRW and more. Unique time-series not available elsewhere as a pay-per-call endpoint. Use for trend analysis, backtesting, charting, agent memory of market history.

Historical daily record of Japan earthquake counts and maximum magnitude, collected by this API since July 2026 from JMA data. Date-indexed series for seismic activity trend analysis, risk modeling, insurance and research agents.

Korean corporate disclosures (DART, Financial Supervisory Service official data): daily list of filings by KOSPI/KOSDAQ listed companies. Use for Korea equity research, chaebol monitoring, Asia market due diligence. Companion to the Japan EDINET endpoint.

Tokyo Stock Exchange market status right now: open or closed, current session (morning/afternoon/lunch break), next open and next close times in JST and UTC. Accounts for weekends and Japanese public holidays. Use for trading bots, order timing, market hours check, Japan equities scheduling.

Retrieve a value previously stored via /memory/set. Persistent key-value memory for AI agents — no signup, pay per read. Use for agent long-term memory, task state, resuming work across sessions.

List all keys stored in your namespace, with sizes and timestamps. Companion to /memory/set and /memory/get for agent persistent memory.

Persistent key-value memory for AI agents. Store a value under your namespace and key; survives across sessions, restarts and processes. No signup, no API key — pay per write. Use for agent long-term memory, task state, caching, checkpoints, cross-run context.

Music artist lookup (MusicBrainz): disambiguated artist info, country, type, aliases, active years, tags. Covers Japanese and international artists. Use for music apps, metadata enrichment, catalog matching.

Company name normalization and cleaning: strips legal suffixes (Inc, Ltd, K.K., GmbH...), normalizes casing/whitespace/width, returns a canonical match key for deduplication and entity matching. Works across Japanese and Latin scripts. High-frequency utility for CRM, KYB, data pipelines.

Academic paper search (OpenAlex): find scholarly works by keyword, returns title, authors, year, venue, citation count, DOI, abstract. For research agents, literature review, citation tools.

Patent search (US PatentsView / USPTO): find patents by keyword, returns title, patent number, date, assignee, abstract. For IP research, competitive intelligence, prior-art checks, R&D agents.

Pokemon data (PokeAPI): stats, types, abilities, evolution chain, height/weight by name or ID. English. Use for game tools, teambuilders, fan apps. (Data only; Pokemon is a Nintendo/Game Freak IP.)

AI analysis of a prediction market question (Claude): current implied probability, key drivers, and what to watch, in structured English. Informational only, no betting advice.

Prediction market data (Polymarket): trending markets with question, outcome prices (implied probability), volume, end date. For forecasting agents, news analysis, sentiment tools.

Real-time earthquakes in Japan from JMA (Japan Meteorological Agency, official government source): magnitude, JMA seismic intensity (shindo), epicenter, time. Use for disaster monitoring, risk assessment, insurance, supply chain alerts, travel safety, news verification.

Major Japanese railway lines and key stations (English): operator, type (shinkansen/metro/JR), major stops, region. For travel planning and transit context. (Reference data; not route search.)

AI-generated company research brief (English): combines official registry and disclosure data for Japan (EDINET), Korea (DART), and UK (Companies House) with a structured Claude-written summary. One call returns overview, recent filings, and risk notes with provenance. Use for due diligence, KYB, investment research, supplier vetting.

Soccer/football player lookup (TheSportsDB): nationality, team, position, birth date, description. Covers J-League and international players. Use for sports apps, fantasy tools, fan bots.

Japanese text normalization and transliteration: full-width/half-width unification, katakana-hiragana conversion, kana to romaji (Hepburn romanization). Use for search indexing, name matching, deduplication, NLP preprocessing, reading Japanese names and addresses.

Japan import export trade statistics (UN Comtrade official data): bilateral trade values by partner country and HS commodity code, annual USD. Use for supply chain research, market entry analysis, tariff impact studies, sourcing from Japan, semiconductor/auto/machinery trade flows.

Japanese hot spring (onsen) destination guide: famous onsen towns, prefecture, water type, features, nearest access. For inbound travel planners and wellness tourism.

UK company registry search (Companies House official data): find companies by name, get company number, status, incorporation date, registered address. Use for KYB, due diligence, supplier verification, UK market research, compliance checks.

Validate an x402 endpoint: checks that a URL correctly returns HTTP 402 with valid payment requirements (scheme, network, price, payTo), measures response time, and reports readiness. For sellers pre-listing checks and buyers vetting endpoints before paying.

Check whether a watch created via /watch/create has triggered. Returns status, trigger time, and the observed value. Cheap polling for agents monitoring markets, seismic events, or corporate filings.

Create a persistent watch (alert) that this API evaluates automatically every hour. Supported types: fx (JPY rate crosses a threshold), quake (earthquake at or above a magnitude), filing (EDINET filing by a company name). Returns a watchId; poll /watch/check to see if it triggered. Pay once to create, cheap to poll.

Japan weather forecast from JMA (Japan Meteorological Agency, official source) by prefecture area code: 3-day text forecast with weather, wind, waves. Use for travel planning in Japan, logistics, event scheduling, daily briefings. Default Tokyo (130000); Osaka 270000, Hokkaido 016000, Fukuoka 400000, Okinawa 471000.