K-water / KOTRA / SGIS / KRX / NABOSTATS Open API를 목록에 추가

Update README files to include 5 new APIs

Author: yybmion

README.md

@@ -2,7 +2,7 @@
 
 [![Link Health Check](https://github.com/yybmion/public-apis-4Kr/actions/workflows/link_health_check.yml/badge.svg)](https://github.com/yybmion/public-apis-4Kr/actions)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
-[![Korean APIs](https://img.shields.io/badge/Korean%20APIs-260+-blue.svg)](https://github.com/yybmion/public-apis-4Kr)
+[![Korean APIs](https://img.shields.io/badge/Korean%20APIs-270+-blue.svg)](https://github.com/yybmion/public-apis-4Kr)
 [![Global APIs](https://img.shields.io/badge/Global%20APIs-780+-blue.svg)](https://github.com/yybmion/public-apis-4Kr/blob/main/GLOBAL_PUBLIC_APIS_KR.md)
 
 🇺🇸 [English](./README_EN.md) | 🇰🇷 [한국어](./README.md) | 🌏 [글로벌 public API](./GLOBAL_PUBLIC_APIS_KR.md)
@@ -154,6 +154,7 @@
 | [CODEF API](https://developer.codef.io/)                              | 금융, 보험, 통신 데이터 통합 연동                   | `OAuth`       |
 | [KB API 포탈](https://apiportal.kbfg.com/)                            | KB금융그룹 종합 금융 API 서비스 (800+ API 제공)     | `OAuth`       |
 | [KB국민은행 Open API](https://obizapi.kbstar.com/quics?page=C108082)  | KB 종합 금융서비스 및 BaaS 플랫폼                 | `OAuth`       |
+| [KRX Data Marketplace Open API](https://openapi.krx.co.kr/contents/OPP/MAIN/main/index.cmd) | 한국거래소 지수, 주식, 채권, 파생상품 등 시장 데이터 | `apiKey` |
 | [NH농협은행 Open API](https://developers.nonghyup.com/center/CE_1020) | 농협 금융 API 개발자센터                        | `OAuth`       |
 
 **[⬆ 목차로 돌아가기](#목차)**
@@ -216,6 +217,7 @@
 | [한국환경공단 전기차충전소](https://www.data.go.kr/data/15076352/openapi.do)                  | 전국 전기차 충전소 정보, 충전기 상태정보      | `apiKey`  |
 | [환경위성센터 API](https://nesc.nier.go.kr/ko/html/svc/openapi/explain.do)              | 환경위성(GEMS) Data, Image 자료 제공 | `apiKey` |
 | [해양환경정보 서비스](https://www.eiass.go.kr/openapiguide/kei_html/chapter04_07.html)     | 해양환경분야 조사·예측 정보 제공           | `apiKey`  |
+| [K-water 공공데이터 Open API](https://opendata.kwater.or.kr/open/data/guide/view.do) | 수자원, 댐, 수질, 수도 등 K-water 공공데이터 제공 | `apiKey` |
 
 **[⬆ 목차로 돌아가기](#목차)**
 
@@ -275,6 +277,7 @@
 | API                                                               | 설명                           | 인증        |
 |-------------------------------------------------------------------|------------------------------|-----------|
 | [빅카인즈(BIG KINDS)](https://www.bigkinds.or.kr/)                    | 한국언론진흥재단 뉴스 빅데이터 분석 (로그인 필요) |  `apiKey` |
+| [SGIS 통계지리정보서비스 Open API](https://sgis.kostat.go.kr/developer/html/home.html) | 지도, 경계, 인구·가구·주택·사업체 통계 등 공간통계 데이터 | `apiKey` |
 | [통계청 KOSIS 통계자료](https://kosis.kr/openapi/?sso=ok)                | 국가통계 데이터 조회 서비스              | `apiKey`  |
 | [한국은행 경제통계](https://ecos.bok.or.kr/api/#/)                        | 금리, 환율, 물가지수 등 경제통계          | `apiKey`  |
 
@@ -414,6 +417,7 @@
 | [중소벤처기업부 기업정보](https://www.smes.go.kr/main/dbCnrs)                | 중소기업 지원정책 및 사업정보                             | `apiKey`      |
 | [한국산업인력공단 HRD](https://openapi.hrdkorea.or.kr/main)               | 직업훈련, 자격증, 취업정보                              | `apiKey`      |
 | [CODEF 오픈API](https://codef.io/)                                  | 금융, 보험, 통신, 공공기관 스크래핑 API                    | `OAuth`       |
+| [KOTRA 해외시장뉴스 Open API](https://dream.kotra.or.kr/kotranews/cms/com/index.do?MENU_ID=710) | 해외시장 뉴스, 국가정보, 상품DB 등 해외진출 데이터 제공 | `apiKey` |
 | [Open DART API](https://opendart.fss.or.kr/)                       | 상장법인 공시보고서 원문, 주요 재무정보 및 기업 개황 데이터      | `apiKey` |
 
 **[⬆ 목차로 돌아가기](#목차)**
@@ -531,6 +535,7 @@
 
 | API                                                                       | 설명                               | 인증        |
 |---------------------------------------------------------------------------|----------------------------------|-----------|
+| [NABOSTATS Open API](https://www.nabostats.go.kr/portal/openapi/openApiIntroPage.do) | 국회예산정책처 재정·경제통계 데이터 제공 | `apiKey` |
 | [열린재정 재정정보공개시스템](https://www.openfiscaldata.go.kr/op/ko/ds/UOPKODSA06)    | 국가 및 지방재정 예산/결산, 보조금, 국고보조사업 정보  | `apiKey`  |
 
 **[⬆ 목차로 돌아가기](#목차)**
@@ -582,6 +587,6 @@
 
 ---
 
-**마지막 업데이트**: 2026년 3월 13일
+**마지막 업데이트**: 2026년 5월 29일
 
-**총 API 수**: 260+α(데이터셋)
+**총 API 수**: 270+α(데이터셋)

README_EN.md

@@ -135,6 +135,7 @@ Updated with the latest information as of 2026, and will be periodically updated
 | [KFTC Open Banking](https://openapi.kftc.or.kr/service/openBanking)                | Integrated account inquiry, transfer, and payment services for 19+ banks                     | `OAuth`       |
 | [Korea Development Bank Open API](https://www.koreaexim.go.kr/ir/HPHKIR019M01)     | Current exchange rates, loan rates, international rates                                      | `apiKey` |
 | [Korea Investment Securities KIS API](https://apiportal.koreainvestment.com/intro) | Domestic and overseas stock quotes and order API                            | `OAuth`       |
+| [KRX Data Marketplace Open API](https://openapi.krx.co.kr/contents/OPP/MAIN/main/index.cmd) | Korea Exchange market data including indices, stocks, bonds, and derivatives | `apiKey` |
 | [Naver Pay API](https://developers.pay.naver.com/)                                 | Naver Pay payment, regular payment, automatic payment API                                    | `OAuth`       |
 | [NH Nonghyup Bank Open API](https://developers.nonghyup.com/center/CE_1020)        | Nonghyup financial API developer center                                                      | `OAuth`       |
 | [PAYCO](https://developers.payco.com/guide)                                        | NHN integrated ID and membership integration service                                         | `OAuth`       |
@@ -191,6 +192,7 @@ Updated with the latest information as of 2026, and will be periodically updated
 | [Greenhouse Gas Information Service](https://www.eiass.go.kr/openapiguide/kei_html/chapter04_02.html)                    | Provides greenhouse gas investigation and prediction data for environmental impact assessment projects | `apiKey` |
 | [Hydrology and Water Resources Information Service](https://www.eiass.go.kr/openapiguide/kei_html/chapter04_06.html)     | Provides investigation and prediction data on hydrology and water resources                            | `apiKey` |
 | [K-eco Electric Vehicle Charging Stations](https://www.data.go.kr/data/15076352/openapi.do)                              | Nationwide electric vehicle charging station information, charger status information                   | `apiKey` |
+| [K-water Open Data API](https://opendata.kwater.or.kr/open/data/guide/view.do)                                           | K-water public data including water resources, dams, water quality, and tap water data                 | `apiKey` |
 | [KMA API Hub](https://apihub.kma.go.kr/)                                                                                 | Weather observation, forecast, satellite, radar data across 12 categories                              | `apiKey` |
 | [KMA Local Forecast](https://www.data.go.kr/dataset/15000099/openapi.do)                                                 | Local forecast for eup/myeon/dong units provided at 3-hour intervals                                   | `apiKey` |
 | [KMA Medium-term Forecast](https://www.data.go.kr/data/15059468/openapi.do)                                              | 11-day weather forecast beyond short-term predictions                                                  | `apiKey` |
@@ -266,6 +268,7 @@ Updated with the latest information as of 2026, and will be periodically updated
 | [Bank of Korea Economic Statistics](https://ecos.bok.or.kr/api/#/)              | Interest rates, exchange rates, price index and other economic statistics | `apiKey` |
 | [BIG KINDS](https://www.bigkinds.or.kr/)                                        | Korea Press Foundation News Big Data Analysis (login required)            | `apiKey` |
 | [KOSTAT KOSIS Statistical Data](https://kosis.kr/openapi/?sso=ok)               | National statistics data inquiry service                                  | `apiKey` |
+| [SGIS Statistical Geographic Information Service Open API](https://sgis.kostat.go.kr/developer/html/home.html) | Spatial statistics data including maps, boundaries, population, households, housing, and businesses | `apiKey` |
 
 **[⬆ Back to Table of Contents](#table-of-contents)**
 
@@ -400,6 +403,7 @@ Updated with the latest information as of 2026, and will be periodically updated
 | [Bizno API](https://bizno.net/openapi)                                                     | Business info lookup by registration number or company name                                                 | `apiKey`      |
 | [CODEF Open API](https://codef.io/)                                                        | Finance, insurance, telecommunications, public institution scraping API                                     | `OAuth`       |
 | [Human Resources Development Service of Korea HRD](https://openapi.hrdkorea.or.kr/main)    | Vocational training, certification, employment information                                                  | `apiKey`      |
+| [KOTRA Overseas Market News Open API](https://dream.kotra.or.kr/kotranews/cms/com/index.do?MENU_ID=710) | Overseas market news, country information, product databases, and export market data                       | `apiKey`      |
 | [Ministry of SMEs and Startups Enterprise Information](https://www.smes.go.kr/main/dbCnrs) | SME support policies and business information                                                               | `apiKey`      |
 | [Naver Works Business Support API](https://developers.worksmobile.com/kr)                  | Comprehensive features and resources covering message bots, directory/group management, file I/O, and more. | `OAuth`       |
 | [Samsung Knox API](https://developer.samsung.com/knox)                                     | Enterprise mobile security and management solutions                                                         | `Partnership` |
@@ -520,6 +524,7 @@ Updated with the latest information as of 2026, and will be periodically updated
 
 | API                                                                                                     | Description                                                                                              | Auth      |
 |---------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------|-----------|
+| [NABOSTATS Open API](https://www.nabostats.go.kr/portal/openapi/openApiIntroPage.do)                    | Fiscal, tax, local finance, public institution, and economic statistics from the National Assembly Budget Office | `apiKey` |
 | [Open Fiscal Data System](https://www.openfiscaldata.go.kr/op/ko/ds/UOPKODSA06?utm_source=chatgpt.com)  | National and local government budget/expenditure, subsidies, and treasury-supported project information  | `apiKey`  |
 
 **[⬆ Back to Table of Contents](#table-of-contents)**
@@ -575,9 +580,9 @@ This project is distributed under the MIT License.
 
 ---
 
-**Last Updated**: March 13, 2026
+**Last Updated**: May 29, 2026
 
-**Total API Count**: 260+
+**Total API Count**: 270+