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JP Local Pack API — Social Insurance Standard Remuneration Lookup
x402
JP Local Pack API — Social Insurance Standard Remuneration Lookup is a paid API for AI agents from jp-local-pack-api.kasanegi123.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Returns the Japanese health insurance and pension standard remuneration grade and bounds for a given monthly salary, based on MHLW/Kyokai Kenpo tables.
Price / call$0.01
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 the fiscal year, and for both health insurance and pension: the grade number, standard remuneration amount, lower bound, and upper bound of the applicable salary bracket, sourced from MHLW/Kyokai Kenpo FY2026 tables. Also includes a disclaimer to consult a certified shakai-hoken-roumushi for legal compliance.
Example use cases
Automated payroll processing for Japan office
“We're setting up payroll for our Tokyo team. Can you look up the health insurance and pension grades for our three employees earning 280,000, 450,000, and 650,000 yen per month respectively, so we can calculate their social insurance contributions correctly?”
Verify salary bracket compliance check
“I need to confirm whether our new hire's monthly salary of 380,000 yen falls within the standard remuneration bounds for health insurance and pension in Japan this fiscal year. What grade does that put them in?”
Calculate multi-employee contribution costs
“We're hiring five contractors in Japan with different compensation levels. Can you determine the standard remuneration grade and bounds for salaries of 250,000, 320,000, 520,000, 750,000, and 920,000 yen so we can estimate our total shakai hoken liability?”
Technical details
Endpoint
GEThttps://jp-local-pack-api.kasanegi123.workers.dev/api/social-insurance/standard-remunerationWhen to prefer
Use this endpoint when automating Japanese payroll or HR workflows and you need to determine the official MHLW health insurance and/or pension standard remuneration grade for a given monthly salary, without needing an API key. Prefer this over manual table lookups or general-purpose LLM answers when you need authoritative, structured, machine-readable output for office automation pipelines.
Side effects
- Payment not provided (HTTP 402): returns a shape preview with all numeric fields as 0 placeholders — real data requires X-PAYMENT header with USDC on Base
- Monthly salary out of range: floor or ceiling may be applied, indicated by _floor_applied or _ceiling_applied flags
- Invalid or missing monthly_salary parameter: may return error or unexpected grade
- Fiscal year mismatch: tables may not be available for years other than the current FY
Output
Schema · Response
{
"type": "json",
"example": {
"fy": "2026",
"_role": "shape_preview_echoes_query_for_paid_response",
"pension": {
"grade": 0,
"lower_bound": 0,
"upper_bound": 0,
"standard_remuneration": 0
},
"disclaimer": "Reference values only. Consult a certified social insurance labor consultant (shakai-hoken-roumushi) for legal compliance.",
"attribution": "<MHLW / Kyokai Kenpo FY2026 attribution>",
"_sample_note": "Unpaid 402 shape preview echoes the requested monthly_salary; paid 200 returns the matching MHLW health/pension grade + standard_remuneration + bounds.",
"_floor_applied": false,
"monthly_salary": 300000,
"_ceiling_applied": false,
"health_insurance": {
"grade": 0,
"lower_bound": 0,
"upper_bound": 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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