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JP Local Pack API — Japan Payroll Combined Summary
x402
JP Local Pack API — Japan Payroll Combined Summary is a paid API for AI agents from jp-local-pack-api.kasanegi123.workers.dev, paid per call via x402, $0.015/call, status unknown (last checked 2026-09-15).
Returns a combined Japan payroll calculation with net salary, tax withholdings, social insurance deductions, and business holiday context for a given month and salary
Price / call$0.015
Success—
StatusUnknown
How this service works
Japan payroll / tax / social insurance / mynumber / corporate / invoice / holiday reference API for AI agents. x402 micropayments on Base. No API key.
Output
A JSON object containing calculated net salary, total deductions, employee health insurance and pension contributions, income tax withholding, social insurance grade and standard remuneration, consumption tax rates (standard 10% and reduced 8%), invoice system active status, and month context including business days, national holidays, and year-month string.
Example use cases
Example prompt
“What would the take-home pay be for a Japanese employee earning ¥350,000 per month in 2025-03, including the breakdown of health insurance, pension, and income tax withholding?”
Technical details
Endpoint
GEThttps://jp-local-pack-api.kasanegi123.workers.dev/api/combined/payroll-summaryWhen to prefer
Use this endpoint when you need a single combined Japan payroll summary that includes payroll deductions, social insurance grades, tax context, and holiday/business day counts for a specific month — especially in agentic HR automation, payroll verification, or salary simulation workflows requiring Japan-specific compliance data without a separate API key.
Side effects
- Missing or invalid monthly_salary parameter returns an error or zero-placeholder shape preview
- Missing or invalid year_month returns an empty month_context with zero business days
- Unpaid request (no X-PAYMENT header) returns HTTP 402 with shape preview containing all-zero numeric fields
- Out-of-range salary may trigger floor or ceiling applied flags
- Network or Cloudflare worker downtime returns 5xx error
Output
Schema · Response
{
"type": "json",
"example": {
"_role": "shape_preview_echoes_query_for_paid_response",
"payroll": {
"net_salary": 0,
"total_deduction": 0,
"pension_employee": 0,
"income_tax_withholding": 0,
"health_insurance_employee": 0
},
"tax_context": {
"reduced_rate_pct": 8,
"standard_rate_pct": 10,
"invoice_system_active": true
},
"_sample_note": "Unpaid 402 shape preview echoes the requested monthly_salary; paid 200 fans out to payroll + social-insurance + holiday context.",
"month_context": {
"holidays": [],
"year_month": "<YYYY-MM>",
"business_days": 0,
"national_holidays": 0
},
"_floor_applied": false,
"monthly_salary": 300000,
"_ceiling_applied": false,
"social_insurance": {
"pension": {
"grade": 0,
"standard_remuneration": 0
},
"health_insurance": {
"grade": 0,
"standard_remuneration": 0
}
},
"_shape_preview_note": "Numeric fields in this unpaid 402 shape preview are 0 placeholders. Real values require X-PAYMENT on production."
},
"mimeType": "application/json"
}Tags
x402
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