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Japan mortgage tax deduction (住宅ローン控除) for move-ins 2026-2030 (FY2026 reform): b...

https://logigrain.net/api/housing-loan

Overview

Japan mortgage tax deduction (住宅ローン控除) for move-ins 2026-2030 (FY2026 reform): borrowing limit and 13/10-year period by home type, performance class, special household and floor area; yearly deduction or a full-period projection from a loan, split between income and resident tax. Refuses older move-ins; asks for missing facts. Checked against National Tax Agency tax answers and an independent implementation.

Protocol x402
Price $0.0010
Payment Asset USD Coin
Payment Network eip155:8453
Category uncategorized
Provider logigrain
Source bazaar
Indexed 2026-11-09 23:08:25

Health

Status unknown
Latency (p50) —
Uptime (30d) —
Reliability Score —
Last Checked Never
Last Healthy Never
Consecutive Failures 0

x402 Payment Validation

Payment Requirements —
Asset Verified —
Facilitator —

Input Schema

{ "method": "GET", "queryParams": { "floor_area": "70", "kosodate": "yes", "loan_amount": "40000000", "move_in": "2026-04", "performance": "zeh", "rate": "0.8", "term_years": "35", "type": "new" }, "type": "http" }

Output Schema

{ "example": { "housing_loan": { "basis": { "as_of_date": "2026-10-19", "move_in_year": 2026, "rules": "令和8年度税制改正後の住宅ローン控除(2026〜2030年入居、令和8年4月1日現在の法令。2026年10月時点で確認)" }, "borrowing_limit": 45000000, "deduction_period": { "first_year": 2026, "last_year": 2038 }, "deduction_rate": 0.007, "deduction_years": 13, "eligible": true, "max_deduction_per_year": 315000, "projection": { "monthly_payment": 109224, "schedule": [ { "deduction": 275300, "year": 2026, "year_end_balance": 39337995 } ], "total_deduction": 3017000 }, "special_household": true, "summary_ja": "2026年4月入居の新築のZEH水準省エネ住宅(70㎡)(子育て・若者夫婦世帯)は、借入限度額4,500万円・控除期間13年(2026〜2038年分)で、各年の控除額は年末残高×0.7%、最大で年315,000円です。借入4,000万円・金利0.8%・35年の元利均等返済なら、13年間の控除額の合計は約3,017,000円の見込みです(税額が控除額より少ない年は全額は戻りません)。(令和8年度税制改正後の住宅ローン控除、2026年10月時点で確認)" } }, "type": "json" }