MOLIT

MOLIT Apartment Actual Transaction Prices

MOLIT actual-transaction price service for apartments, detached houses, and row houses by administrative district. Official MOLIT RTMS API.

What agents get

Apartment name, exclusive area, transaction price, floor, construction year, road-name address, legal-district code, and transaction year-month
Real-estate price analysis, regional housing-price trends, market monitoring, and investment decision support

Use cases

Look up apartment transactions by region
Compare prices across apartments
Analyze monthly volume and price trends
Search by legal-district code

Registered APIs (1)

Apartment Transaction Price Lookup getRTMSDataSvcAptTrade

Look up apartment transactions by legal-district code and transaction year-month

LAWD_CD Required — First 5 digits of the legal-district code (sigungu) e.g. 11110
DEAL_YMD Required — Transaction year-month YYYYMM e.g. 202609
numOfRows Optional e.g. 10
pageNo Optional e.g. 1

Returns: Apartment name, Exclusive area (sqm), Transaction price (in 10,000 KRW), Floor, Construction year, Road name, Legal-district sigungu code, Legal-district eup/myeon/dong code, Transaction year-month

Rate limit: 10,000 calls/day (Per data.go.kr development-account quota)

Auth · pricing · terms

Auth	ServiceKey — data.go.kr service key. Stored only on the proxy server.
Pricing	Free. Auto-approved
License	Public data: attribution required (Type 1) + author credit (CC BY)
Redistribution	Allowed (attribution required)
Terms checked	2026-10-10
Apply	Log in to the data.go.kr portal -> Apply for the MOLIT actual-transaction price service -> Service key issued (auto-approved) Portal
Status	Coming soon (opens after key registration)
Last checked	2026-10-10

How agents call

Call through our proxy. Start with the keyless quick API shown above (no token needed). For the keyed proxy, send X-Agent-Token to POST /agencatalog/api/call with ('service', 'endpoint', 'params'). The full service list is at /agencatalog/api/services.json.

Example: POST /agencatalog/api/call {service:'rtms-apt-trade', endpoint:'getRTMSDataSvcAptTrade', params:{LAWD_CD:'11110', DEAL_YMD:'202609'}}

Machine-readable JSON schema

{
  "service": "rtms-apt-trade",
  "name": "MOLIT Apartment Actual Transaction Prices",
  "provider": "MOLIT",
  "apis": [
    {
      "id": "getRTMSDataSvcAptTrade",
      "name": "Apartment Transaction Price Lookup",
      "params": [
        {
          "name": "LAWD_CD",
          "required": true,
          "example": "11110",
          "desc": "First 5 digits of the legal-district code (sigungu)"
        },
        {
          "name": "DEAL_YMD",
          "required": true,
          "example": "202609",
          "desc": "Transaction year-month YYYYMM"
        },
        {
          "name": "numOfRows",
          "required": false,
          "example": "10"
        },
        {
          "name": "pageNo",
          "required": false,
          "example": "1"
        }
      ]
    }
  ],
  "proxy_call": "POST /agencatalog/api/call",
  "attribution": "Source: MOLIT Actual Transaction Price Service (Public Data Portal data.go.kr)"
}

Notes

API keys live only on the server. Clients asking for keys directly cannot use this route.
Each provider has a daily quota. Over-quota calls return 429 and are blocked.
Provider outages or over-quota errors are passed through. Check the error field before retrying.
Attribution: Source: MOLIT Actual Transaction Price Service (Public Data Portal data.go.kr)

Last checked: 2026-10-10

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