Comprehensive Collection of Public APIs Available in South Korea
This project systematically organizes all public APIs that developers can utilize in South Korea.
Updated with the latest information as of September 7, 2026, and will be periodically updated going forward.
🏆 June 2026 Public Data Open API Request TOP 10 Source: 공공데이터 이슈 및 추천데이터
Rank
Organization
Open API
URL
Type
1
기상청
기상청_단기예보 조회서비스
Detail REST
2
조달청
조달청_나라장터 입찰공고정보서비스
Detail REST
3
국토교통부
국토교통부_아파트 매매 실거래가 자료
Detail REST
4
국세청
국세청_사업자등록정보 진위확인 및 상태조회 서비스
Detail REST
5
한국천문연구원
한국천문연구원_특일 정보
Detail REST
6
국토교통부
국토교통부_아파트 매매 실거래가 상세 자료
Detail REST
7
국토교통부
국토교통부_자동차종합정보 API서비스
Detail LINK
8
한국수출입은행
한국수출입은행 환율 정보
Detail LINK
9
한국관광공사
한국관광공사_국문 관광정보 서비스_GW
Detail REST
10
국토교통부
국토교통부_건축HUB_건축물대장정보 서비스
Detail REST
🏆 January–June 2026 Public Data Open API Request TOP 20
Rank
Organization
Open API
URL
Type
1
기상청
기상청_단기예보 조회서비스
Detail REST
2
한국천문연구원
한국천문연구원_특일 정보
Detail REST
3
국토교통부
국토교통부_아파트 매매 실거래가 자료
Detail REST
4
조달청
조달청_나라장터 입찰공고정보서비스
Detail REST
5
국토교통부
국토교통부_자동차종합정보 API서비스
Detail LINK
6
국세청
국세청_사업자등록정보 진위확인 및 상태조회 서비스
Detail REST
7
한국수출입은행
한국수출입은행 환율 정보
Detail LINK
8
한국환경공단
한국환경공단_에어코리아_대기오염정보
Detail REST
9
행정안전부
행정안전부_실시간 주소정보 조회(검색API)
Detail LINK
10
국토교통부
국토교통부_아파트 매매 실거래가 상세 자료
Detail REST
11
한국관광공사
한국관광공사_국문 관광정보 서비스_GW
Detail REST
12
국토교통부
국토교통부_연속지적도
Detail LINK
13
국토교통부
국토교통부_아파트 전월세 실거래가 자료
Detail REST
14
국토교통부
국토교통부_건축HUB_건축물대장정보 서비스
Detail REST
15
국토교통부
국토교통부_지오코더 API
Detail LINK
16
한국고용정보원
한국고용정보원_워크넷 채용정보 채용목록 및 상세정보
Detail LINK
17
금융위원회
금융위원회_주식시세정보
Detail REST
18
조달청
조달청_나라장터 낙찰정보서비스
Detail REST
19
국토교통부
국토교통부_개별공시지가정보(WMS/WFS/속성정보)
Detail LINK
20
소상공인시장진흥공단
소상공인시장진흥공단_상가(상권)정보_API
Detail REST
🏆 2011–June 2026 All-Time Public Data Open API Request TOP 20
Rank
Organization
Open API
URL
Type
1
국토교통부
국토교통부_연속지적도
Detail LINK
2
한국수출입은행
한국수출입은행 환율 정보
Detail LINK
3
기상청
기상청_단기예보 조회서비스
Detail REST
4
한국환경공단
한국환경공단_에어코리아_대기오염정보
Detail REST
5
국토교통부
국토교통부_시군구
Detail LINK
6
국토교통부
국토교통부_자동차종합정보 API서비스
Detail LINK
7
한국천문연구원
한국천문연구원_특일 정보
Detail REST
8
행정안전부
행정안전부_실시간 주소정보 조회(검색API)
Detail LINK
9
국토교통부
국토교통부_교통CCTV
Detail LINK
10
국세청
국세청_사업자등록정보 진위확인 및 상태조회 서비스
Detail REST
11
서울특별시
서울특별시_지하철 실시간 도착정보
Detail LINK
12
한국관광공사
한국관광공사_국문 관광정보 서비스_GW
Detail REST
13
국토교통부
국토교통부_CCTV 화상자료
Detail LINK
14
식품의약품안전처
식품의약품안전처_조리식품의 레시피 DB
Detail LINK
15
국토교통부
국토교통부_지오코더 API
Detail LINK
16
성평등가족부
성평등가족부_성범죄자 지역별 통계
Detail LINK
17
영화진흥위원회
영화진흥위원회_영화정보 DB
Detail LINK
18
서울특별시
서울특별시_지하철 실시간 열차 위치정보
Detail LINK
19
서울특별시
서울특별시_노선정보조회 서비스
Detail REST
20
서울특별시
서울특별시_버스위치정보조회 서비스
Detail REST
Government & Public Institutions
API
Description
Auth
Environmental Spatial Information Service API Ministry of Environment land cover maps, environmental thematic maps, ecological spatial data
apiKey
FairData Portal (KFTC) Fair Trade Commission franchise business Open API (brand store info, contract status, average sales by region)
apiKey
Gov24 Public Service API Government public service information Open API, real-time administrative information
apiKey
Green Nuri Open API Ministry of Environment eco-friendly lifestyle and environmental information
apiKey
KIPRIS Plus API Intellectual property search (patents, trademarks, designs...)
apiKey
KMA Living Weather Index UV index, air stagnation index, apparent temperature and other living weather information
apiKey
KMA Short-term Forecast Ultra-short-term current conditions, ultra-short-term forecast, short-term forecast information
apiKey
KORAIL Train Operation Information KTX, Saemaul-ho and other train operation information
apiKey
Korea Deposit Insurance Corporation Financial institution depositor protection and business suspension savings bank information
apiKey
Korea Expressway Corporation Traffic Information Real-time highway traffic volume and traffic information
apiKey
Korea Land & Housing Corporation (LH) Sale/rental announcements, pre-subscription, rental housing information
apiKey
Korea Public Data Portal Central platform providing integrated data from government and public institutions (100,000+ datasets)
apiKey
Local Admin License API Nationwide business permit dataset (animal, medical, culture, lifestyle ...)
apiKey
MCST Cultural Information Performances, exhibitions, cultural properties, libraries and other cultural information
apiKey
Ministry of Agriculture, Food and Rural Affairs Provides data related to rural areas, agriculture, livestock, distribution and consumption
apiKey
Ministry of Health and Welfare Provides policies, laws, finances, audits, and research information related to health and welfare
OAuth
MOIS Administrative Standard Codes Legal district codes, administrative area codes and other standard code information
apiKey
MOLIT Real Estate Transaction Prices Real transaction prices for apartments, officetels, detached houses, etc.
apiKey
MyData Integrated Support API Korea Data Industry Promotion Institute MyData standard API service
OAuth
National Integrated Index Sharing Service Provides various public statistical indicators from the national statistics portal ‘지표누리’
apiKey
NTIS National Science & Technology Information National R&D project information, performance information metadata search
apiKey
Open National Assembly Information API National Assembly member voting records, proposed bills, bill details, research reports
apiKey
Policy Information Portal POINT Provides the latest policy trends, online government publications, and comprehensive policy information listings
apiKey
Small Business 365 API Nationwide store directory
apiKey
⬆ Back to Table of Contents
API
Description
Auth
Address-based industry support service Provision of road name address API/DB and national branch information
apiKey
Kakao Map Map display, place search, coordinate conversion, route navigation
apiKey
National Land Information Platform Digital maps, aerial imagery, orthophotos, DEM, and national points of interest (POI)
apiKey
Naver Map Map API, Geocoding, Directions, Panorama
apiKey
V-World National Geographic Information Institute's 3D maps and spatial information
apiKey
⬆ Back to Table of Contents
API
Description
Auth
Gyeonggi Data Dream Gyeonggi Province and municipal public data
apiKey
Gyeongnam Big Data Hub Gyeongsangnam-do public data
apiKey
Gyeongbuk Public Data Portal Gyeongsangbuk-do public data
apiKey
Gwangju Public Data Portal Gwangju Metropolitan City public data
apiKey
Daegu Public Data Portal Daegu Metropolitan City life, transportation, tourism
apiKey
Daejeon Data Portal Daejeon Metropolitan City urban, transportation, environment
apiKey
Busan Public Data Portal Busan Metropolitan City bus, subway, culture, safety
apiKey
Seoul Open Data Plaza Seoul Metropolitan Government transportation, environment, facilities, welfare
apiKey
Sejong Data Portal Sejong Special Self-Governing City administration, living data
apiKey
Ulsan Data Portal Ulsan Metropolitan City industry, environment
apiKey
Incheon Data Portal Incheon Metropolitan City public data
apiKey
Jeonnam Public Data Portal Jeollanam-do public data
apiKey
Jeonbuk Public Data Portal Jeonbuk Special Self-Governing Province public data
apiKey
Jeju Public Data Portal Jeju Special Self-Governing Province public data
apiKey
Chungnam Data Portal Alldam Chungcheongnam-do public data
apiKey
Chungbuk Public Data Portal Chungcheongbuk-do public data
apiKey
⬆ Back to Table of Contents
API
Description
Auth
Bank of Korea Open API Economic statistics information providing API
apiKey
Bootpay API Unified PG integration service supporting multiple payment gateways (Inicis, KCP, Danal, etc.)
apiKey
CODEF API Finance, insurance, telecommunications data integration API
OAuth
Financial Services Commission Financial Public Data Open API 110 APIs across 10 topics including companies, financial institutions, disclosures, capital markets, market prices, and financial products
apiKey
Hana Financial Group Open API Hana Financial Group API marketplace
OAuth
HYPHEN API Marketplace KSNet subsidiary data API marketplace with 500+ APIs
apiKey
Kakao Pay Online payment, regular payment, remittance and other comprehensive payment solutions
OAuth
KB API Portal KB Financial Group comprehensive financial API service (800+ APIs provided)
OAuth
KB Kookmin Bank Open API KB comprehensive financial services and BaaS platform
OAuth
KFTC Open Banking Integrated account inquiry, transfer, and payment services for 19+ banks
OAuth
Korea Eximbank Open API Current exchange rates, loan rates, international rates
apiKey
Korea Investment Securities KIS API Domestic and overseas stock quotes and order API
OAuth
Naver Pay API Naver Pay payment, regular payment, automatic payment API
OAuth
NH Nonghyup Bank Open API Nonghyup financial API developer center
OAuth
PAYCO NHN integrated ID and membership integration service
OAuth
Payple API Provides simple payment, recurring payment, and link payment services
apiKey
Samsung Pay API Mobile payment and digital wallet services
Partnership
Shinhan Bank Open API Shinhan Financial Group integrated API service
OAuth
Toss Pay API Payment service API through Toss (TLS 1.2+ required)
apiKey
Toss Payments Integrated payment API (card, virtual account, simple payment)
apiKey
Woori Bank Open API Fintech developer one-stop support service
OAuth
⬆ Back to Table of Contents
⬆ Back to Table of Contents
API
Description
Auth
Gyeonggi Province Bus Information Real-time information for Gyeonggi Province city/intercity buses
apiKey
Hyundai Motor Developers Vehicle specifications, operation information, mileage, vehicle status, driving habits
OAuth
Kakao Mobility Navigation Technical products for mobility service development
apiKey
Kakao T Business Business Kakao T usage history integration service
Partnership
Kia Motors Developers KIA Connect vehicle data and operation information
OAuth
Korea Expressway Corporation Real-time Traffic Volume Real-time traffic volume information by highway tollgate
apiKey
Korea Road Traffic Authority Traffic Accident Data Traffic accident hotspots, accident statistics, and road risk index data
apiKey
MOLIT Traffic Flow Information Real-time speed information for highways and national roads
apiKey
ODsay Public Transportation API Nationwide public transportation, express bus, flight integrated information
apiKey
Rail Portal (KRIC) Railway Industry Information Center nationwide railway information
apiKey
Seoul Bus Arrival Information Real-time arrival information for Seoul city buses
apiKey
Seoul Subway Real-time Arrival Information Real-time arrival information for Seoul subway lines 2-8
apiKey
Seoul TOPIS Traffic Information Various traffic information in Seoul, non-profit use
apiKey
Seoul Transportation Corporation Inter-station Distance Subway inter-station distance and travel time information
apiKey
STCIS Transportation Card Big Data Public transportation usage statistics, mode-based trip volume, transfer and purpose-based trip data
apiKey
TAGO National Public Transportation Open API National public transportation routes, stops, arrival information, and related data
apiKey
Ttareungyi (Seoul Bike) Seoul public bicycle real-time rental information
apiKey
ITS National Transport Information Center Open Data API Nationwide traffic flow, incidents, CCTV, traffic forecasts, VDS, VMS, and related data
apiKey
⬆ Back to Table of Contents
API
Description
Auth
Air Quality Information Service Provides investigation, prediction, and spatial data on air quality based on emission standards
apiKey
AirKorea Air Pollution Forecast Information Fine dust, ultra-fine dust, ozone forecasts
apiKey
AirKorea Real-time Air Pollution Information Real-time air quality measurement information by city/province
apiKey
Eco-friendly Resource Circulation Information Service Provides information related to eco-friendly resource circulation
apiKey
Electric Vehicle Charger Information Charging operator charging station location and charger status
apiKey
Environmental Satellite Center API Environmental satellite (GEMS) data and imagery
apiKey
Flora and Fauna Information Service Provides survey data on flora and fauna and information related to ecosystem conservation
apiKey
Korean Peninsula Biodiversity API Service National species list, biodiversity information, and multimedia resources
apiKey
Flood Hazard Map Portal Flood hazard map statistics and flood-depth APIs for national rivers, local rivers, and urban flooding
apiKey
Greenhouse Gas Information Service Provides greenhouse gas investigation and prediction data for environmental impact assessment projects
apiKey
Hydrology and Water Resources Information Service Provides investigation and prediction data on hydrology and water resources
apiKey
K-water Open Data API K-water public data including water resources, dams, water quality, and tap water data
apiKey
KMA API Hub Weather observation, forecast, satellite, radar data across 12 categories
apiKey
KMA Local Forecast Local forecast for eup/myeon/dong units provided at 3-hour intervals
apiKey
KMA Medium-term Forecast 11-day weather forecast beyond short-term predictions
apiKey
Land Use Information Service Provides information on current land use and land use plans
apiKey
Marine Environment Information Service Provides investigation and prediction data on marine environment
apiKey
National Electric Vehicle Charging Station Standard Data Charging station classification, location, operating hours, charger status, etc.
apiKey
Noise and Vibration Information Service Provides investigation and prediction data on noise and vibration
apiKey
Odor Information Service Provides investigation and prediction data on odor attributes and survey locations
apiKey
Population and Housing Information Service Provides information on population and housing
apiKey
Project Area Information Service Provides project area data for environmental impact assessment
apiKey
Public Health and Sanitation Information Service Provides investigation data on public health and sanitation (e.g., styrene, hydrogen chloride)
apiKey
Soil Information Service Provides basic and survey data on soil
apiKey
Topography and Geology Information Service Provides overview, survey, mining, geological maps, ridgelines, elevation, and slope data
apiKey
Water Quality Information Service Provides overview, investigation, prediction, and spatial data on water quality
apiKey
⬆ Back to Table of Contents
⬆ Back to Table of Contents
API
Description
Auth
Career Net Career education materials and job information
apiKey
Class101 Business API Class management, course registration, progress inquiry, SSO integration
Bearer Token
Human Resources Development Service of Korea HRD National qualifications, vocational training, and work-learning information
apiKey
KERIS Academic Research Information KERIS academic papers, research information search service
apiKey
KERIS RISS Comprehensive Catalog University library integrated academic material catalog
apiKey
MOE NEIS School Basic Information Basic information for elementary, middle, and high schools nationwide
apiKey
National Institute of Korean Language - Urimalsam Urimalsam dictionary (standard Korean, dialects, and loanwords)
apiKey
School Info Basic information for elementary, middle, and high schools nationwide
apiKey
University Info University basic information
apiKey
⬆ Back to Table of Contents
⬆ Back to Table of Contents
API
Description
Auth
KOPIS Performing Arts Integrated Computer Network Performance information, venue information, booking information
apiKey
Korea Culture Information Service Agency Cultural content open API
apiKey
Korea Mountaineering & Trekking Support Center Forest Trail Open API 17 APIs for national forest trails, 100 famous mountains, Baekdu-daegan and nine mountain ranges, including routes, surfaces, hazards, and POIs
apiKey
Korea Tourism Organization TourAPI 4.0 Tourist attractions, accommodation, restaurants, festivals and other tourism information
apiKey
National Museum of Korea eMuseum Nationwide museum collection information
apiKey
⬆ Back to Table of Contents
⬆ Back to Table of Contents
⬆ Back to Table of Contents
⬆ Back to Table of Contents
API
Description
Auth
Food Nutrition Database Provides nutritional information (calories, nutrients, etc.) for processed foods, raw ingredients, and dishes
apiKey
⬆ Back to Table of Contents
⬆ Back to Table of Contents
API
Description
Auth
DeepSearch News API Collects news from 150 domestic & 50 international sources
apiKey
KMDb KOFA Cinema Schedule Korea Film Archive Sangam headquarters cinema screening schedule (2002-present)
apiKey
KMDb Movie Details Korean film titles, production year, companies, credits, synopsis, genres, keywords
apiKey
Korea Film Council KOBIS Box office data, movie info, film company & people info
apiKey
Korean Comics Archive (KMAS) Provides up-to-date information on comics, webtoons, and creators
apiKey
SOOP SOOP broadcast list, category information
apiKey
⬆ Back to Table of Contents
API
Description
Auth
Gabia SMS/AlimTalk API SMS, LMS, MMS, Kakao AlimTalk integration (8 language support)
OAuth
Hiworks API Electronic approval, push notification enterprise collaboration tools
apiKey
JANDI Webhook External service real-time integration incoming webhook
webhook
KakaoTalk Channel Message sending, channel management
OAuth
KakaoTalk Message KakaoTalk text/image message sending
OAuth
KakaoTalk Share Content sharing from web/app to KakaoTalk
apiKey
LINE API LINE Login, Messaging API, LINE Pay, LIFF, MINI App
OAuth
Naver Blog API Naver Blog posting API
OAuth
Naver Cafe API Naver Cafe post writing and management
OAuth
Sendbird Chat Platform API Real-time chat, voice/video calls, AI chatbot features
apiKey
⬆ Back to Table of Contents
⬆ Back to Table of Contents
⬆ Back to Table of Contents
API
Description
Auth
Airbridge API Mobile app marketing attribution (multi-platform SDK)
apiKey
Bizno API Business info lookup by registration number or company name
apiKey
CODEF Open API Finance, insurance, telecommunications, public institution scraping API
OAuth
KBIOIS Open API Korea bio-industry company, product, and statistics information
apiKey
KOTRA Overseas Market News Open API Overseas market news, country information, product databases, and export market data
apiKey
Ministry of SMEs and Startups Enterprise Information SME support policies and business information
apiKey
Modusign API E-contract and e-signature requests, document lookup, and webhook integration
apiKey
Naver Works Business Support API Comprehensive features and resources covering message bots, directory/group management, file I/O, and more.
OAuth
Samsung Knox API Enterprise mobile security and management solutions
Partnership
Saramin Job API Saramin job posting data API
apiKey
Open DART API Repository of South Korea's corporate filings, financial statements, and company overviews
apiKey
⬆ Back to Table of Contents
⬆ Back to Table of Contents
API
Description
Auth
Dunamu Nodit API Blockchain development platform and infrastructure services
apiKey
Kaia API Klaytn + Finschia integrated blockchain (LINE Messenger integration)
apiKey
Klaytn KAS Blockchain development service without node operation
apiKey
⬆ Back to Table of Contents
API
Description
Auth
LG ThinQ API AI home appliance control and commercial facility management
OAuth
Samsung SmartThings API Smart home device control, automation rules, location management, user/device info
OAuth
⬆ Back to Table of Contents
API
Description
Auth
Bithumb Pro API Professional trader cryptocurrency exchange API
apiKey
Coinone Open API Virtual asset trading and market information API
apiKey
Upbit Open API Korea's largest cryptocurrency exchange API (JWT authentication)
JWT
⬆ Back to Table of Contents
⬆ Back to Table of Contents
⬆ Back to Table of Contents
API
Description
Auth
Disaster Safety Data Sharing Platform Disaster occurrences, damage statistics, and safety-related disaster information
apiKey
MOFA Overseas Safety Data Overseas safety, country/region, and diplomacy-related public data
apiKey
National Fire Agency Public Data Fire incidents, emergency dispatches, fire facility locations, and other fire safety information
apiKey
Public Safety Information Crime statistics, traffic accidents, fire incidents, and locations of public safety facilities
apiKey
Safety Dream Missing Person/Safety API Missing person information and public safety data (National Police Agency)
apiKey
⬆ Back to Table of Contents
⬆ Back to Table of Contents
⬆ Back to Table of Contents
⬆ Back to Table of Contents
⬆ Back to Table of Contents
API
Description
Auth
NABOSTATS Open API Fiscal, tax, local finance, public institution, and economic statistics from the National Assembly Budget Office
apiKey
Open Fiscal Data System National and local government budget/expenditure, subsidies, and treasury-supported project information
apiKey
⬆ Back to Table of Contents
⬆ Back to Table of Contents
⬆ Back to Table of Contents
Data & Statistics Resources These resources are separate from the API catalog and can be used for market research, regional analysis, AI training dataset discovery, policy research, and trend analysis.
Resource
Description
Access
One-Window Unified catalog for discovering public and private Korean datasets
No
KOSIS National Statistics Portal National statistics across population, industry, economy, and society
apiKey
MDIS Microdata Integrated Service KOSTAT microdata search, download, and access request service
Login
Statistics Data Center Secure analysis environment and access support for approved statistical microdata
Request
SGIS Statistical Geographic Information Service Spatial statistics data including maps, boundaries, population, households, and businesses
apiKey
AI Hub Korean AI training datasets including text, image, speech, and healthcare data
Login
NIKL Corpus / Modu Corpus Korean corpus and language resources from the National Institute of Korean Language
Login
Hugging Face Korean Datasets Discovery hub for Korean-tagged datasets on Hugging Face
No
DataON KISTI research data discovery and sharing platform
Login
K-BDS Korea BioData Station National bio research data repository and sharing platform
Login
KOSSDA Korean Social Science Data Archive Social science survey and research data archive
Login
Education Data Utilization Support Service Education data search and utilization support portal
Login
BIG KINDS Korea Press Foundation news big data analysis platform
Login
Culture Data Portal Public data portal for culture, tourism, performances, exhibitions, and heritage
apiKey
Data for Library Public library holdings, loans, and popular book data
apiKey
Korea Tourism Data Lab Tourism big data for visitors, spending, mobility, and trends
Login
National Transportation Data Open Market Transportation big data products and dataset marketplace
Login
MOLIT Data Integration Channel Integrated discovery and utilization channel for Ministry of Land, Infrastructure and Transport data
No
KTDB Korea Transport Database National transport surveys, transport statistics, and transport databases
No
KRX Data Marketplace Open API Korea Exchange market data including indices, stocks, bonds, and derivatives
apiKey
Financial Data Exchange Financial sector data product search and marketplace
Login
KEPCO Energy Data Service Market Electricity usage, demand, and power-service datasets
Login
EPSIS Electric Power Statistics Information System Electricity market, generation, supply-demand, and trading statistics
No
MFDS Data Portal Food, drug, medical device, and public health safety data portal
apiKey
HIRA Healthcare Big Data Open API Healthcare big data Open API from the Health Insurance Review & Assessment Service
apiKey
Geo Big Data Open Platform Geology, resources, and earth science data platform
Login
⬆ Back to Table of Contents
⬆ Back to Table of Contents
If you would like to add new APIs to this list or modify information, please send a Pull Request. For more details, please refer to the Contributing Guide .
This project is distributed under the MIT License.
Last Updated : September 7, 2026
Total API/Resource Count : 300+ (including datasets/data portals/statistical indicators)
Naver
Kakao