Public Administration › Government Procurement — Public Data Open APIs

Open APIs in the Public Data Portal's Public Administration › Government Procurement category. Detail categories: Contracts and Procurement, Goods and Item Information, Bidding & Successful Bids, Nuri Marketplace and Private Procurement. 19 REST APIs, sorted by most requested. Click a name to go to its application page on the Public Data Portal. Search & filter on the main explorer.

Detail category

  1. Public Procurement Service – KONEPS Bid Winning Information Service

    Public Procurement Service · Nationwide · Public Administration › Government Procurement › Bidding & Successful Bids · Updated 2026-10-02
    7,864 requests

    A service that provides Nara Marketplace bid opening results by business type: goods, construction, services, and foreign procurement. For each business type, it provides the final successful bidder, bid opening rank, multiple estimate prices, and estimate price information, and also provides completed bid opening lists, re-bidding lists, and failed bidding lists. What is a multiple estimate price? It is 15 estimate prices prepared based on the base amount, of which 4…

    RESTAuto-approvedNo restriction
  2. Public Procurement Service – KONEPS Contract Information Service

    Public Procurement Service · Nationwide · Public Administration › Government Procurement › Contracts and Procurement · Updated 2026-05-15
    4,361 requests

    A service that provides contract information lists concluded in KONEPS for each business type of goods, foreign goods, construction, and services, providing contract detailed information, contract change history information, and contract deletion information for each business type. In addition, according to KONEPS search conditions such as contract conclusion date, confirmed contract number, request number, announcement number, organization name (contracting organization, demand organization), item name, contract method, and contract reference number,…

    RESTAuto-approvedNo restriction
  3. Public Procurement Service – Nara Marketplace preliminary specification information service

    Public Procurement Service · Nationwide · Public Administration › Government Procurement › Contracts and Procurement · Updated 2026-08-10
    3,919 requests

    A service that provides preliminary specification information disclosed on the Nara Marketplace by goods, services, foreign supplies, and construction business areas. You can query preliminary specifications by overall business preliminary specification list, by institution, and by item. It provides preliminary specification registration numbers, item names (project names), allocated budget amounts, related specification files, and specification opinions. What is preliminary specification disclosure? National Contract Act (Gov…

    RESTAuto-approvedNo restriction
  4. Public Procurement Service – KONEPS User Information Service

    Public Procurement Service · Nationwide · Public Administration › Government Procurement › Goods and Item Information · Updated 2026-05-15
    3,051 requests

    A service that provides information on procurement companies and demand organizations registered in KONEPS. Procurement company information includes business registration number, company name, company address, company registered business type information, and company supplied goods information. Demand organization information includes demand organization code (Ministry of the Interior and Safety code is provided by default; if unavailable, KONEPS demand organization code is provided), jurisdiction classification, address…

    RESTAuto-approvedNo restriction
  5. Public Procurement Service – Nara Marketplace Ordering Plan Status Service

    Public Procurement Service · Nationwide · Public Administration › Government Procurement › Contracts and Procurement · Updated 2026-08-10
    2,707 requests

    A service providing ordering plan information registered by ordering organizations in Nara Marketplace, providing announcement details of quarterly ordering plans (procurement targets, budget amounts, scheduled ordering timing, ordering methods, ordering organization address, contact info, etc.) for construction, goods, services, and foreign currency that each ordering organization will procure in the current fiscal year. ※ Ordering year/month range, ordering organization code, etc.…

    RESTAuto-approvedNo restriction
  6. Public Procurement Service – Nara Marketplace Shopping Mall Item Information Service

    Public Procurement Service · Nationwide · Public Administration › Government Procurement › Goods and Item Information · Updated 2026-08-10
    1,720 requests

    Inquires contract information and certification information of items registered in the Nara Marketplace shopping mall operated by the Public Procurement Service (Nara Marketplace shopping mall: registers products for unit price contracts concluded by the Public Procurement Service and user (demand) agencies pursuant to Article 22 of the Act on Contracts to Which the State Is a Party (including unit price contracts for third parties concluded pursuant to Article 7 of the Enforcement Decree of the Act on Procurement Affairs) to …

    RESTAuto-approvedNo restriction
  7. Public Procurement Service – Commodity Classification Information Service

    Public Procurement Service · Nationwide · Public Administration › Government Procurement › Goods and Item Information · Updated 2026-07-07
    1,641 requests

    Service providing commodity classification information provided by the Public Procurement Service Catalog Information System (http://www.g2b.go.kr:8100/index.jsp). The Public Procurement Service commodity classification number is composed of a 4-level hierarchical structure of Segment - Family - Class - Commodity, with 2-digit codes for each level…

    RESTAuto-approvedNo restriction
  8. Public Procurement Service – Naratener Contract Process Integrated Disclosure Service

    Public Procurement Service · Nationwide · Public Administration › Government Procurement › Bidding & Successful Bids · Updated 2026-05-15
    1,577 requests

    A service implementing the contract process integrated disclosure provided by Nara Marketplace, which allows users who know one of the [bidding notice number, prior specification registration number, ordering plan number, procurement request number] for goods, foreign supplies, services, and construction business categories to inquire about the progress information of the corresponding bidding notice (prior specification information, bidding notice information, successful bidder information, contract information list, etc.) ※ According to relevant laws and regulations,…

    RESTAuto-approvedNo restriction
  9. Public Procurement Service – Nurijangteo Private Bidding Notice Service

    Public Procurement Service · Nationwide · Public Administration › Government Procurement › Nuri Marketplace and Private Procurement · Updated 2026-06-29
    1,207 requests

    A service providing private bidding notice information, categorized into services, goods, construction, and other tasks, providing bidding notice lists, license restriction information, and participation available area information, composed of private bidding list inquiries in KONEPS search conditions that can be queried under various option conditions. ※ When 'non-demand agency persons' who cannot register as demand agencies in KONEPS engage in electronic procurement…

    RESTAuto-approvedNo restriction
  10. Public Procurement Service – Nurijangteo Private Successful Bid Information Service

    Public Procurement Service · Nationwide · Public Administration › Government Procurement › Nuri Marketplace and Private Procurement · Updated 2026-06-29
    824 requests

    A service providing private successful bid information, consisting of status inquiries providing simple search conditions (registration date and time, notice posting date and time, bidding date and time) for completed bidding lists, rebidding lists, failed bidding lists, and final successful bidder lists, and list inquiries using various search conditions similar to KONEPS ※ 'Demand organizations' that cannot register as demand organizations in KONEPS…

    RESTAuto-approvedNo restriction
  11. Public Procurement Service – Nara Market Business Types and Legal Grounds Service

    Public Procurement Service · Nationwide · Public Administration › Government Procurement › Goods and Item Information · Updated 2026-05-15
    757 requests

    Queries Nara Market business types and legal grounds. Business types are classified according to legal fields classified by the Ministry of Government Legislation, and business types are coded and provided by legal field. When business types are added/modified/deleted due to enactment, amendment, or abolition of statutes, only valid business type information at the time of inquiry is provided. In addition, information on restricted business types and permitted business types is provided to connect with the business type you want to query.…

    RESTAuto-approvedNo restriction
  12. Public Procurement Service – KONEPS Procurement Request Service

    Public Procurement Service · Nationwide · Public Administration › Government Procurement › Contracts and Procurement · Updated 2026-04-10
    728 requests

    This is a service that provides procurement request information received from demand agencies or regional offices through KONEPS, providing KONEPS procurement request service that provides procurement request numbers, contract execution type names, representative delivery locations, and ordering agency details by business classification such as goods, construction, services, and foreign capital. A procurement request occurs when a demand agency has demand related to demand goods or construction…

    RESTAuto-approvedNo restriction
  13. Korea Water Resources Corporation – E-Procurement Bidding Notices

    Korea Water Resources Corporation · Nationwide · Public Administration › Government Procurement › Bidding & Successful Bids · Updated 2025-08-22
    670 requests

    Provides bidding notice statuses for construction, services, domestic materials, and goods posted on the Korea Water Resources Corporation e-procurement system. It includes bidding notice information such as notice date, application deadline, notice number, bidding name, and contract method, as well as opening results such as opening date, opening status, and successful bid amount. For details, Korea Water Resources Corporation…

    RESTAuto-approvedNo restriction
  14. Public Procurement Service – Nara Market Private Contract Information Service

    Public Procurement Service · Nationwide · Public Administration › Government Procurement › Nuri Marketplace and Private Procurement · Updated 2026-05-15
    459 requests

    민간계약정보를 제공하는 서비스로 계약현황조회 ,변경이력조회, 삭제이력조회등 민간계약의 현황정보를 제공. 또한, 나라장터 검색조건인 계약체결일자, 확정계약번호, 요청번호, 공고번호, 기관명(계약기관, 수요기관), 품명, 계약방법, 계약참조번호에 따른 계약현황정보를 제공※ 나라장터에 수요기관으로 등록할 수 …

    RESTAuto-approvedNo restriction
  15. Korea Gas Corporation – Bidding Information

    Korea Gas Corporation · Nationwide · Public Administration › Government Procurement › Bidding & Successful Bids · Updated 2026-09-15
    264 requests

    입찰번호 또는 입찰명을 이용하여 입찰번호(13자리 숫자), 입찰명, 입찰구분(가격조사, 전자입찰 등), 업무구분(물품-내자 및 외자, 용역, 공사), 계약방법(일반경쟁, 지명경쟁, 제한경쟁 등), 마감일시(YYYY-MM-DD HH:mm), 개찰일시(YYYY-MM-DD HH:mm), 취소여부(Y/N), 계…

    RESTAuto-approvedNo restriction
  16. Public Procurement Service – Goods management information service

    Public Procurement Service · Nationwide · Public Administration › Government Procurement › Goods and Item Information · Updated 2026-05-15
    239 requests

    This is the Public Procurement Service goods management service providing useful life information on goods notified by the Public Procurement Service, including goods classification number, useful life, registration date, end date, and reason for change. Data query is provided through the goods classification number start number and goods classification number end number to query. Data query on contents related to the useful life table according to the Public Procurement Service notice 'Useful Life' regulations.…

    RESTAuto-approvedNo restriction
  17. Korea Water Resources Corporation – Electronic procurement contract information disclosure

    Korea Water Resources Corporation · Nationwide · Public Administration › Government Procurement › Contracts and Procurement · Updated 2025-08-22
    207 requests

    A service that provides contract information lists concluded in the Korea Water Resources Corporation electronic procurement system by construction, service, and domestic procurement. It provides contract conclusion status information such as contract classification by business type, contract date, contract department, contract number, contract name, contract amount, and contract counterparty. The relevant data is used for various research and policy establishment, industrial development, and improvement of citizens' lives.…

    RESTAuto-approvedNo restriction
  18. K-water – Electronic Procurement Ordering Plan

    Korea Water Resources Corporation · Nationwide · Public Administration › Government Procurement › Contracts and Procurement · Updated 2025-08-22
    174 requests

    A service providing ordering plan status by construction, service, and goods posted on the K-water electronic procurement system, providing ordering plan information such as ordering plan year-month, ordering category, ordering department, ordering name, and ordering amount by business category. The data supports efficient preparation by bidders and secures transparency in public procurement, assisting in business plan establishment and ordering status management.…

    RESTAuto-approvedNo restriction
  19. Korea Water Resources Corporation – Electronic Procurement Advance Specification Disclosure

    Korea Water Resources Corporation · Nationwide · Public Administration › Government Procurement › Contracts and Procurement · Updated 2025-08-22
    159 requests

    A service that provides advance specification information by service and goods (domestic) disclosed on the Korea Water Resources Corporation electronic procurement system, providing advance specification information such as project name, disclosure period, project classification, ordering amount, person in charge, and contact information for each work classification. The data supports securing transparency in public procurement and efficient preparation by bidding participants, and establishes contract plans and business estimates…

    RESTAuto-approvedNo restriction
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