Torify — Japanese Locale APIs for AI Agents

Sign up for a free trial to get 100 REST API calls/month. Returns an X-Trial-Key for use in subsequent API requests.

• “How do I sign up for the free trial?”
• “Get a trial API key for Torify”
• “Start using Torify REST API for free”

Convert between hiragana, full-width katakana, and half-width katakana (ﾊﾝｶｸ). Use when normalizing user input or processing Japanese government forms requiring half-width katakana.

• “Convert あいうえお to katakana”
• “Half-width katakana → full-width”
• “Normalize mixed kana input”

Verify whether a Japanese invoice registration number is actually registered in the NTA (National Tax Agency) database. Returns registrant name, address, and registration date. Requires INVOICE_APP_ID.

• “Is T7000012050002 a registered invoice issuer?”
• “登録番号T7000012050002の事業者名を調べて”

Validate the format of a Japanese qualified invoice issuer registration number (T + 13 digits). Checks prefix, length, character set, and check digit algorithm. Does not confirm registration with NTA.

• “Is T7000012050002 a valid invoice number format?”
• “Validate invoice number T1234567890123”

Normalize free-form Japanese addresses into prefecture/city/town components with English romanization. Use when building shipping forms or CRM data entry.

• “東京都港区六本木1-1-1 を正規化”
• “Get English version of a Japanese address”
• “Extract prefecture from full address”

Calculate age, Japanese school year (学年), and era-age from birth date with April 1 cutoff rule. Use when filtering by Japanese school grade or determining adult/minor status.

• “Birthday 2010-04-02 → 2026年4月の学年は？”
• “Get age and 学年 for someone born 2008-04-01”
• “Determine if person born 2010-03-31 starts elementary school in 2016”

Look up Japanese bank by 4-digit code or branch by 7-digit code. Returns English name + kana. Use when validating bank transfer destinations or Japanese payroll onboarding.

• “Lookup bank code 0001”
• “みずほ銀行 東京中央支店の英語名は？”
• “Validate full Zengin transfer format”

Calculate Japanese consumption tax (10% standard, 8% reduced for food/beverages). Use when building Japan-market checkout or invoice processing.

• “Calculate 10% tax on ¥1000”
• “軽減税率8%で1000円の消費税を計算して”
• “What is the consumption tax for ¥5000 including beverage purchase?”

Look up Japanese company information by corporate number (法人番号, 13 digits) using the NTA Corporate Number API. Returns company name, address, furigana, English name, status, and kind.

• “Look up corporate number 7000012050002”
• “法人番号7000012050002の会社名は？”
• “Get company info for 7000012050002”

Convert between Japanese era dates (wareki: 令和/平成/昭和/大正/明治) and Gregorian calendar. Handles era boundary dates correctly and validates leap years.

• “Convert 令和5年3月15日 to Gregorian”
• “What is 2023-03-15 in Japanese era?”
• “平成31年4月30日を西暦に変換して”

Convert Japanese names written in kana (hiragana or katakana) to modified Hepburn romanization (passport-standard). Handles special cases: っ→double consonant, ん→n/m, long vowels. Supports family-first or given-first order.

• “Romanize すずき いちろう”
• “Convert カタカナ name ヤマダ タロウ to romaji”
• “Japanese passport romanization for とうきょう”

Look up Japanese address from a 7-digit postal code. Returns prefecture, city, town, and their kana readings. Use ?all=true to get all addresses when a postal code maps to multiple towns.

• “What is the address for postal code 1000001?”
• “郵便番号100-0001の住所は？”
• “Look up zip code 1500001”

Check if a date is a Japanese public holiday, get annual list, or determine next business day. Use when scheduling meetings, calculating business days, payment deadlines.

• “Is 2026-05-05 a holiday in Japan?”
• “2026年の祝日一覧を取得”
• “Get next business day after May 3rd, 2026”

Convert latitude/longitude between WGS84 (international) and JGD2011 (Japan domestic). Use when integrating Japanese government maps with international GPS data.

• “Convert WGS84 (35.6586, 139.7454) to JGD2011”
• “Reverse: JGD2011 → WGS84”
• “Compare WGS84 vs JGD2011 differences”

Convert Japanese text containing kanji to hiragana or katakana readings using Cloudflare Workers AI (Llama 3.3 70B). Useful for pronunciation guides and text normalization.

• “Convert 東京都千代田区 to hiragana”
• “漢字をひらがなに変換して: 日本語処理”
• “Get katakana reading of 株式会社”