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Japan Local Payroll Calculator by Salary
x402
Japan Local Payroll Calculator by Salary is a paid API for AI agents from api.kasanegi.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Calculates Japanese local payroll taxes and deductions from a gross salary figure using official public data
Price / call$0.01
Success—
StatusUnknown
How this service works
Stop scraping Japanese government and public-data sites. Call clean Japan payroll, company, and grant APIs over one host. Preview free; one public marketplace listing covers all current products; x402 direct is available for agent-native buyers.
Output
Returns a JSON breakdown of Japanese payroll calculations for the given salary, including estimated local taxes, social insurance contributions, income tax withholding, and net take-home pay amounts based on Japanese government public data.
Example use cases
HR team salary offer calculator
“I'm preparing an offer letter for a Tokyo-based engineer. They're asking for ¥7,500,000 gross annually. Can you break down what their actual take-home pay will be after all Japanese taxes and social insurance deductions so I can make sure our offer is competitive?”
Expat financial planning advisor
“My client just got a job offer in Japan for ¥8,200,000 per year. They want to understand exactly how much they'll have left after taxes and social contributions so they can plan their living expenses and savings. Can you give me a detailed breakdown?”
Contractor rate negotiation support
“A Japanese company wants to hire me as a contractor for ¥4,500,000 annually. I need to know what my actual net income will be after all the mandatory deductions and taxes in Japan so I can decide if the rate is fair for my situation.”
Technical details
Endpoint
GEThttps://api.kasanegi.com/v1/local/payroll/calc-by-salaryWhen to prefer
Choose this endpoint when you need accurate Japanese local payroll tax calculations derived from official government public data without scraping Japanese government websites. Ideal for HR tools, salary negotiation assistants, or financial planning agents dealing with Japan-based employees or contractors.
Side effects
- Missing or invalid salary parameter returns error response
- Out-of-range salary values may return validation errors
- Stale or outdated tax rate tables if public data source has not been refreshed
- Non-JPY or non-numeric salary values may be rejected
- Payment not included or insufficient USDC may result in 402 Payment Required
Output
Schema · Response
{
"type": "json",
"mimeType": "application/json"
}Tags
x402
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