Korea Payroll & Tax API › average-wage
South Korea average wage (pyeonggyun imgeum): daily average over the 3 months before the last working day, the basis for severance pay and unemployment benefit; falls back to the ordinary wage when that is higher.
Price: $0.01 USDC per call over REST (x402 on Base, no API key). MCP: free as average_wage at https://api.kkuldogu.com/mcp. Basis year: 2026.
| Field | Type | Required | Description |
|---|---|---|---|
lastWorkDate | string | Last working day; default today (YYYY-MM-DD) | |
monthlyPay | number | yes | Monthly pay over the last 3 months (KRW) |
monthlyOrdinaryWage | number | Monthly ordinary wage (base pay + fixed allowances). If its daily amount (÷209×8) exceeds the daily average wage, severance is computed from it (KRW) | |
annualBonus | number | Bonuses paid in the last 12 months (KRW) | |
annualLeavePay | number | Annual-leave allowance paid in the last 12 months (KRW) |
curl -X POST https://api.kkuldogu.com/v1/average-wage -H "content-type: application/json" \
-d '{"lastWorkDate":"2026-10-31","monthlyPay":3500000}'Without payment this returns 402 with x402 payment requirements; an x402 client pays $0.01 USDC and retries.
{
"basisYear": 2026,
"currency": "KRW",
"disclaimer": "For reference only, not legal or tax advice. Uses official 2026 Korean rates and the same formulas as the kkuldogu.com calculators; actual payroll, NHIS/NPS notices and tax settlement can differ.",
"source": "https://kkuldogu.com",
"tool": "average-wage",
"input": {
"lastWorkDate": "2026-10-31",
"monthlyPay": 3500000
},
"result": {
"averageDailyWage": 114130,
"periodStart": "2026-08-01",
"periodEnd": "2026-10-31",
"periodDays": 92,
"threeMonthPay": 10500000,
"bonusAndLeavePortion": 0,
"ordinaryWageUsed": false,
"severancePerYear": 3423913,
"unemploymentDailyBenefit": 68100
}
}For reference only, not legal or tax advice. Uses official 2026 Korean rates and the same formulas as the kkuldogu.com calculators; actual payroll, NHIS/NPS notices and tax settlement can differ. · Calculators for people (Korean): kkuldogu.com · API home · llms.txt · OpenAPI