x402 resource directory

Find paid HTTP operations and MCP tools by URL, host, method or tool name. Compare payment terms across networks and catalogs.

Distinct HTTP URLs
162,299
Distinct MCP URLs
43
Catalog observations
263,972
URLs with a 402 in 7 days
1,319
Network identifiers
181

These results as JSON · Clear filters

POST https://api.kkuldogu.com/v1/late-payment-interest · 2 observations
South Korea statutory late-payment interest (jiyeon sonhaegeum) on a money debt: 5% civil, 6% commercial, 12% under the litigation-promotion act after a complaint is served, or a contract rate, prorated by day.

api.kkuldogu.com profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0200 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/litigation-stamp-fee · 2 observations
South Korea civil lawsuit filing costs: court stamp fee (injidae) from the claim amount by bracket, 1.5x on appeal and 2x at the Supreme Court, 10% off for electronic filing, plus the prepaid service-of-process fee (songdallyo).

api.kkuldogu.com profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0200 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/loan-repayment · 2 observations
Loan repayment schedule summary as used by South Korean banks: equal monthly payment (wolligeum gyundeung), equal principal (wongeum gyundeung) or interest-only with bullet repayment; monthly payment, first and last installments, total interest.

api.kkuldogu.com profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0200 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/maternity-leave-pay · 2 observations
South Korea maternity leave pay for 90 days (120 for multiple births): split between employer and employment insurance, with the 2026 monthly cap of KRW 2.2 million.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/minimum-wage-check · 2 observations
Check a South Korean monthly wage against the 2026 minimum wage (KRW 10,320/hour): counts base pay, monthly regular bonus and cash welfare allowances, supports the 90% probation rate.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/monthly-rent-tax-credit · 2 observations
South Korea monthly rent (wolse) tax credit at year-end settlement: 17% or 15% of up to KRW 10 million rent for homeless tenants earning up to KRW 80 million.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/net-pay · 2 observations
South Korea take-home pay for an employee: monthly net salary after national pension, health and long-term care insurance, employment insurance, and withheld income tax (2026 NTS simplified withholding table) plus local income tax.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 6 calls and 4 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/new-parent-benefits · 2 observations
Everything a South Korean household receives around a birth, in one call: maternity leave pay (90/120 days, who pays what), parental leave benefit month by month (normal, 6+6 both-parents, or single-parent scheme), the spouse's 20-day childbirth leave pay, and government cash support for the child (first-meeting voucher, parent benefit, child allowance to age 9).

api.kkuldogu.com profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0200 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/ordinary-wage · 2 observations
South Korea ordinary wage (tongsang imgeum): hourly and daily ordinary wage from base pay, fixed allowances and regular bonuses, the basis for overtime, unused leave and dismissal notice pay.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/other-income-tax · 2 observations
South Korea other-income (gita sodeuk) withholding of 22% on income after deemed expenses, e.g. lecture fees, manuscript fees and prizes, with the KRW 50,000 exemption threshold.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/overtime-pay · 2 observations
South Korea overtime, night and holiday work premiums under the Labor Standards Act (1.5x overtime, +0.5x night, 1.5x/2x holiday); workplaces with fewer than 5 employees get no premium.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/parental-leave-benefit · 2 observations
South Korea parental leave benefit from employment insurance, month by month with caps, including the 6+6 both-parents scheme and single parents.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/part-time-pay · 2 observations
South Korea part-time (alba) monthly pay from an hourly wage and schedule, including weekly holiday pay, after either 3.3% withholding or the four social insurances plus income tax.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/paternity-leave-pay · 2 observations
South Korea spouse (paternity) childbirth leave pay for the 20 paid days, and how much employment insurance covers at priority-support companies.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/payroll-batch · 2 observations
South Korea monthly payroll run for up to 100 employees in one call: per-employee take-home pay with each deduction (national pension, health, long-term care, employment insurance, income tax from the 2026 NTS withholding table, local income tax), employer social-insurance contributions, and company-wide totals including total employer cost. Industrial accident insurance (industry-specific rate) is not included.

api.kkuldogu.com profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0200 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/pension-savings-tax-credit · 2 observations
South Korea pension savings and IRP tax credit: 16.5% or 13.2% (incl. local tax) of contributions up to KRW 9 million, and the extra refund from filling the remaining limit.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/pregnancy-due-date · 2 observations
Pregnancy due date and gestational week from the last menstrual period, with the South Korean labor-law dates that follow: reduced working hours in pregnancy, earliest maternity leave start, and the paternity leave deadline.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/pyeong-conversion · 2 observations
Convert between square meters and pyeong, the Korean real-estate area unit (1 pyeong = 400/121 m2, about 3.3058 m2).

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/reduced-hours-childcare-benefit · 2 observations
South Korea reduced working hours for childcare benefit: monthly employment-insurance top-up (first 10 reduced hours at 100%, rest at 80%, with caps) plus the reduced employer pay.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/rent-increase-limit · 2 observations
South Korea legal cap on rent increases at renewal: 5% for housing leases, and 5% for commercial leases whose converted deposit (deposit + monthly rent x 100) is within the regional threshold (Seoul 900M, overconcentration areas and Busan 690M, other metropolitan cities 540M, elsewhere 370M).

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/rental-income-separate-tax · 2 observations
South Korea housing rental income tax under separate taxation (annual rent up to 20 million KRW): 14% on rent minus deemed expenses (50%, or 60% for registered rental housing) and the basic deduction (2M, or 4M registered, only if other income is 20M or less), plus local income tax. Deemed rent on deposits and registered-housing tax reductions are not modeled.

api.kkuldogu.com profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0200 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/resignation-settlement · 2 observations
South Korea resignation settlement in one call: statutory severance pay, retirement income tax and local tax, net severance, unused annual-leave pay, and how much more you get by moving the last working day (one more day, week, month, or until the next annual-leave grant). Uses the ordinary wage when it is higher than the average wage. Optionally adds the unemployment benefit estimate for an involuntary separation.

api.kkuldogu.com profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0200 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/retirement-income-tax · 2 observations
South Korea retirement income tax on a severance payment: service-year deduction, converted-pay deduction, national and local tax, and the reduced tax if received as an IRP pension.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://api.kkuldogu.com/v1/service-period · 2 observations
Length of service at a South Korean employer from the hire date: years, months, days, next anniversary, annual leave entitlement for the current year of service, and severance pay eligibility.

api.kkuldogu.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0xead5ee9125c8fd7224195f1e17bc628fd385d1d8
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen

Counts describe directory coverage, including testnets. Each resource groups the same URL, HTTP method or MCP tool across sources. A catalog sighting records published terms. A live 402 records the endpoint’s reply to an unpaid request.