# Japan Local Payroll Calculator by Salary

> 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

## Facts

- Endpoint: GET https://api.kasanegi.com/v1/local/payroll/calc-by-salary
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/japan-local-payroll-calculator-by-salary-3aa57141
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_OsSox3PEpMwjTC3gOoTJZ

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability japan-local-payroll-calculator-by-salary-3aa57141
```

Example prompt: Can you calculate the Japanese local payroll deductions and take-home pay for an employee earning ¥6,000,000 gross annual salary in Japan?

## When to prefer this

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.

## Known failure modes

- 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- Stale or outdated tax rate tables if public data source has not been refreshed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

## 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.

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "mimeType": "application/json"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/japan-local-payroll-calculator-by-salary-3aa57141/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.kasanegi.com](https://www.zero.xyz/host/api.kasanegi.com/llms.txt)