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/annual-leave · 2 observations
South Korea paid annual leave under the Labor Standards Act: days currently available, remaining days, next accrual, and payout value of unused leave.

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/annual-leave-batch · 2 observations
South Korea paid annual leave for up to 100 employees in one call: days available, used and remaining for each employee and the payout value of unused leave, with company-wide totals. Same calculation as annual-leave.

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/average-wage · 2 observations
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.

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/bonus-tax · 2 observations
South Korea tax withheld on a bonus or incentive payment: income tax by the simplified-table bonus method over the payment period, local tax and employment insurance, and the net bonus.

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/brokerage-fee · 2 observations
South Korea real-estate brokerage fee ceiling (bokbi) for a sale, jeonse or monthly-rent lease of a house or officetel: statutory rate bracket, fee cap and VAT.

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/business-days · 2 observations
South Korea business days: count working days between two dates, or find the date N business days later, skipping weekends and Korean public holidays (2025-2027 table incl. substitute holidays).

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/card-income-deduction · 2 observations
South Korea credit card income deduction for year-end settlement: deduction from credit, debit/cash, traditional market/transit and culture spending above 25% of salary, with limits and estimated tax saved.

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/child-benefits · 2 observations
South Korea government cash support for a newborn: first-meeting voucher, parent benefit for ages 0-1 and the monthly child allowance up to age 9, with a dated schedule.

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/daily-worker-tax · 2 observations
South Korea daily (day-labor) worker tax: income tax after the KRW 150,000 daily deduction and 55% credit, local tax and employment insurance, for wages paid daily or in one lump sum.

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/deposit-interest · 2 observations
South Korea bank deposit or installment-savings interest after tax: maturity amount with simple or monthly-compounded interest and the 15.4% interest withholding tax (or 9.5% preferential, or tax-free).

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/dismissal-notice-pay · 2 observations
South Korea dismissal notice allowance: 30 days of ordinary wage owed when an employer gives less than 30 days notice (not owed for under 3 months of service).

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/early-repayment-fee · 2 observations
South Korea early loan repayment fee (jungdo sanghwan susuryo): repaid amount x fee rate x remaining days / fee period (usually 3 years, after which the fee is waived).

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/financial-income-tax · 2 observations
South Korea comprehensive taxation of financial income (interest and dividends over 20 million KRW a year): compares the comprehensive method (first 20M at 14%, the excess added to other income at 6-45%) with the 14% separate method and takes the larger, then shows tax due beyond what was withheld. Dividend gross-up and the 2026 high-dividend separate-taxation option 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/freelancer-withholding · 2 observations
South Korea 3.3% business-income withholding for freelancers (3% income tax + 0.3% local tax), in either direction: net from gross, or the gross to invoice for a target net.

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/gift-tax · 2 observations
South Korea gift tax (jeungyeose) on a gift received: relationship deduction (spouse 600M, parent to adult child 50M, to minor 20M, other relatives 10M), 10-year aggregation, marriage/childbirth deduction, 10-50% progressive rates, generation-skipping surcharge and the 3% on-time filing credit.

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/gross-from-net · 2 observations
Reverse South Korea take-home pay: the gross monthly and annual salary needed to reach a target monthly net pay after 2026 social insurance and withheld income tax.

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/housing-acquisition-tax · 2 observations
South Korea acquisition tax when buying a home: 1-3% by price (sliding rate between 600M and 900M), 8%/12% heavy rates for multiple homes and corporations, plus local education tax and rural special tax, and the first-home relief of up to 2M.

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/housing-subscription-score · 2 observations
South Korea housing subscription points (cheongyak gajeom, max 84) for private apartment sales: homeless period (max 32), dependents (max 35) and subscription account period (max 17). The spouse-account bonus 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/income-tax-from-tax-base · 2 observations
South Korea comprehensive income tax from a tax base (gwase pyojun): the 8-bracket 6-45% progressive table with deduction amounts, plus 10% local income tax, marginal and effective rates.

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/industrial-accident-leave-benefit · 2 observations
South Korea industrial accident (sanjae) temporary disability benefit for days off work: 70% of the average daily wage, capped by the 2026 maximum compensation base, with the low-income rule (90%, then the minimum-wage floor). Not paid when the time off is 3 days or less. Age-based reductions and part-time rules are not modeled.

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/inheritance-shares · 2 observations
South Korea statutory inheritance shares and forced-heirship reserve (yuryubun) under the Civil Code: heirs by rank (children, then parents, then siblings), the spouse 50% add-on, and reserved portions (1/2 of the share for children and spouse, 1/3 for parents, none for siblings). Representation (daeseup) and heirs beyond siblings 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/jeonse-wolse-conversion · 2 observations
Convert between South Korean jeonse deposit and monthly rent (wolse) at a conversion rate, with the statutory 4.5% cap check on a landlord's asked rent.

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/job-offer-comparison · 2 observations
Compare a South Korean job offer with the current job on what actually matters: annual take-home pay including bonus (after 2026 social insurance and withholding tax), monthly take-home, and real hourly net pay once commuting time is counted. Assumes KRW 200,000 monthly non-taxable pay and 1 dependent.

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/korean-age · 2 observations
Korean age calculation: international age (the legal standard in South Korea since June 2023), year age, traditional counting age, zodiac animal, and the next birthday.

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.