Korea Payroll & Tax API › parental-leave-benefit

South Korea parental leave benefit from employment insurance, month by month with caps, including the 6+6 both-parents scheme and single parents

South Korea parental leave benefit from employment insurance, month by month with caps, including the 6+6 both-parents scheme and single parents.

Price: $0.01 USDC per call over REST (x402 on Base, no API key). MCP: free as parental_leave_benefit at https://api.kkuldogu.com/mcp. Basis year: 2026.

Input

Field	Type	Required	Description
`monthlyOrdinaryWage`	number	yes	Monthly ordinary wage (KRW)
`months`	integer		Months of leave; default 12
`mode`	normal \| both_parents \| single_parent		normal, both_parents (6+6 scheme, child under 18 months) or single_parent; default normal
`spouseMonthlyOrdinaryWage`	number		Spouse's monthly ordinary wage, both_parents only (KRW)
`spouseMonths`	integer		Spouse leave months, both_parents only; default 6

Example request

curl -X POST https://api.kkuldogu.com/v1/parental-leave-benefit -H "content-type: application/json" \
  -d '{"monthlyOrdinaryWage":3500000,"months":12}'

Without payment this returns 402 with x402 payment requirements; an x402 client pays $0.01 USDC and retries.

Example response

{
  "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": "parental-leave-benefit",
  "input": {
    "monthlyOrdinaryWage": 3500000,
    "months": 12
  },
  "result": {
    "total": 23100000,
    "self": {
      "monthly": [
        {
          "month": 1,
          "amount": 2500000,
          "cap": 2500000
        },
        {
          "month": 2,
          "amount": 2500000,
          "cap": 2500000
        },
        {
          "month": 3,
          "amount": 2500000,
          "cap": 2500000
        },
        {
          "month": 4,
          "amount": 2000000,
          "cap": 2000000
        },
        {
          "month": 5,
          "amount": 2000000,
          "cap": 2000000
        },
        {
          "month": 6,
          "amount": 2000000,
          "cap": 2000000
        },
        {
          "month": 7,
          "amount": 1600000,
          "cap": 1600000
        },
        {
          "month": 8,
          "amount": 1600000,
          "cap": 1600000
        },
        {
          "month": 9,
          "amount": 1600000,
          "cap": 1600000
        },
        {
          "month": 10,
          "amount": 1600000,
          "cap": 1600000
        },
        {
          "month": 11,
          "amount": 1600000,
          "cap": 1600000
        },
        {
          "month": 12,
          "amount": 1600000,
          "cap": 1600000
        }
      ],
      "total": 23100000
    }
  }
}

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