Law › Justice and Prosecution — Public Data Open APIs

Open APIs in the Public Data Portal's Law › Justice and Prosecution category. Detail categories: Crime Statistics and Criminal Policy, Constitutional Court Precedents and Cases, Legal Administration and Lawyers, Daily Legal Information. 22 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. Constitutional Court – Precedent Information Inquiry Service

    Constitutional Court · Nationwide · Law › Justice and Prosecution › Constitutional Court Precedents and Cases · Updated 2025-02-26
    236 requests

    The Constitutional Court Precedent Information Inquiry Service provides an API that allows users to search and query various precedent information, such as precedents published in the gazette, lists and detailed information of major precedents by field, lists and detailed information of Korean and English precedents, and lists and detailed information of precedent summary collections.

    RESTReview requiredAttribution required
  2. Ministry of Justice – Status Inquiry Service of Short and Long-Term Resident Foreigners by Nationality (Region)

    Ministry of Justice · Nationwide · Law › Justice and Prosecution › Registered Foreigners & Immigration · Updated 2026-05-26
    91 requests

    Provides monthly status by nationality (region) of short-term resident foreigners staying in Korea for a short period within 90 days for purposes such as tourism or visiting relatives, as well as long-term resident foreigners including registered foreigners and domestic residence reporters of foreign nationality. Status of short and long-term resident foreigners, i.e., all resident foreigners by nationality (region). The original data is from the Immigration and Foreigner Policy Headquarters website…

    RESTReview requiredNo restriction
  3. Constitutional Court of Korea – Legal Information Inquiry Service

    Constitutional Court of Korea · Nationwide · Law › Justice and Prosecution › Daily Legal Information · Updated 2025-02-26
    79 requests

    헌법재판소 법령정보 조회 서비스는 헌법, 헌법재판소법, 헌법재판소 내규 및 규칙 목록과 상세 정보를 제공하여 헌법재판소 관련 법령 데이터를 효율적으로 조회할 수 있는 API입니다.

    RESTReview requiredAttribution required
  4. Ministry of Justice – Village Attorney Regional Status

    Ministry of Justice · Nationwide · Law › Justice and Prosecution › Legal Administration and Lawyers · Updated 2026-05-21
    73 requests

    법무부, 대한변호사협회, 행정안전부가 운영하는 마을변호사 제도는 변호사가 개업하지 않은 무변촌, 도서산간 지역 및 지방소도시 읍면동을 중심으로 운영됩니다. 이에 현재 서울특별시, 대전광역시, 광주광역시에는 마을변호사를 위촉하고 있지 않으며, 대구광역시, 부산광역시, 울산광역시, 인천광역시에는 법률서비스 …

    RESTReview requiredNo restriction
  5. Ministry of Justice – Inmate Self-Purchased Goods Inquiry Service

    Ministry of Justice · Nationwide · Law › Justice and Prosecution › Legal Administration and Lawyers · Updated 2026-05-21
    73 requests

    법무부 소속 교정기관에서 수용자가 자비로 구매한 물품에 대하여 확인 가능한 목록 조회 서비스를 위한 Open API 입니다. 공급업체와 공급일자를 기준으로 각 교정기관의 발주신청내역을 확인 할 수 있습니다. 법무부 교정본부 홈페이지(www.corrections.go.kr) 내 알림마당에서도 동일하게 조회…

    RESTReview requiredNo restriction
  6. Ministry of Justice – Short- and Long-Term Resident Foreigners Monthly Status Counter Inquiry Service

    Ministry of Justice · Nationwide · Law › Justice and Prosecution › Registered Foreigners & Immigration · Updated 2026-05-26
    72 requests

    *(장단기)체류외국인 : ‘관광 등 목적으로 90일 이내 단기체류하는 외국인’, ‘91일 이상 장기 거주하는 등록외국인 및 외국국적동포 거소신고자’ 등 대한민국의 국적을 갖지 아니하고, 대한민국에 체류하는 모든 체류 외국인 (체류기간 만료일을 경과한 불법체류외국인도 포함)원본 데이터는 출입국외국인정책본부…

    RESTReview requiredNo restriction
  7. Constitutional Court – Case information lookup service

    Constitutional Court of Korea · Nationwide · Law › Justice and Prosecution › Daily Legal Information · Updated 2025-02-26
    69 requests

    The Constitutional Court case information lookup service is an API that allows you to query various case data by searching ongoing or closed cases, laws subject to trial, case stakeholders, merged case information, and detailed information on provisions subject to trial related to concluded cases.

    RESTReview requiredAttribution required
  8. Korean Institute of Criminology and Justice – Crime Analysis Information Inquiry Service

    Korean Institute of Criminology and Justice · Nationwide · Law › Justice and Prosecution › Crime Statistics and Criminal Policy · Updated 2025-01-08
    65 requests

    Based on the Supreme Prosecutors' Office crime analysis booklet, inquiry of statistical data on crime characteristics such as crime occurrence time, location, region, and criminal/victim characteristics such as gender, age, and occupation

    RESTReview requiredNo restriction
  9. Ministry of Justice – Main Official Website Popular Search Terms Search Service

    Ministry of Justice · Nationwide · Law › Justice and Prosecution › Legal Administration and Lawyers · Updated 2024-03-15
    64 requests

    A service that displays the top 100 popular search terms searched over the last 7 days among search terms used through the integrated search of the Ministry of Justice's main website, providing the search term name and search count items in descending order of search count.

    RESTReview requiredNo restriction
  10. Constitutional Court of Korea – Adjudicated Cases Inquiry Service

    Constitutional Court of Korea · Nationwide · Law › Justice and Prosecution › Constitutional Court Precedents and Cases · Updated 2025-02-26
    52 requests

    The Constitutional Court Adjudicated Cases Inquiry Service is an API that provides recent major decision lists and detailed information based on adjudication schedules, adjudication lists, adjudication start/end dates, final results, and case names by year and month, allowing easy lookup of recent adjudicated case information.

    RESTReview requiredAttribution required
  11. Constitutional Court – Constitutional Adjudication Statistics Inquiry Service

    Constitutional Court · Nationwide · Law › Justice and Prosecution › Constitutional Court Precedents and Cases · Updated 2025-02-26
    50 requests

    The Constitutional Court Constitutional Adjudication Statistics Inquiry Service is an API that allows you to effectively query constitutional adjudication statistical data by providing monthly-based trial case summaries, statistics by claim cause and dismissal reason, and the status of unconstitutional decision laws.

    RESTReview requiredAttribution required
  12. Korean Institute of Criminology and Justice – National Crime Victimization Survey Information Inquiry Service

    Korean Institute of Criminology and Justice · Nationwide · Law › Justice and Prosecution › Crime Statistics and Criminal Policy · Updated 2025-01-08
    45 requests

    Based on the results of the 'National Living Safety Survey', a nationally approved statistics compiled by the Korean Institute of Criminology and Justice, this service provides statistical data such as the status of violent and property crime victimization, and the status of police reporting and processing of crime victimizations

    RESTReview requiredNo restriction
  13. Korean Institute of Criminology and Justice – Judicial yearbook information query service

    Korean Institute of Criminology and Justice · Nationwide · Law › Justice and Prosecution › Crime Statistics and Criminal Policy · Updated 2025-01-08
    44 requests

    Based on the judicial yearbook published by the National Court Administration, query statistical data on criminal trial cases, juvenile protection cases, family protection cases aggregation, cases by crime name, headcount tables, etc.

    RESTReview requiredNo restriction
  14. Constitutional Court – Publication Inquiry Service

    Constitutional Court · Nationwide · Law › Justice and Prosecution › Constitutional Court Precedents and Cases · Updated 2025-02-26
    42 requests

    The Constitutional Court Publication Inquiry Service is an open API service that allows users to search and view various publications provided by the Constitutional Court, helping to utilize constitutional research and information.

    RESTReview requiredAttribution required
  15. Constitutional Court – Unrevised Statutes Status Inquiry Service

    Constitutional Court · Nationwide · Law › Justice and Prosecution › Daily Legal Information · Updated 2025-02-26
    40 requests

    The Constitutional Court unrevised statutes status inquiry service is an API useful for understanding the current status of legal amendments by providing information on unrevised statutes determined to be unconstitutional or incompatible with the Constitution, based on statute name, case number, and competent ministry.

    RESTReview requiredAttribution required
  16. Korean Institute of Criminology and Justice – Corrections Statistical Yearbook Information Inquiry Service

    Korean Institute of Criminology and Justice · Nationwide · Law › Justice and Prosecution › Crime Statistics and Criminal Policy · Updated 2025-01-20
    39 requests

    Based on the Corrections Statistical Yearbook published annually by the Correction Planning Division of the Correction Headquarters under the Ministry of Justice to utilize as basic data for correction policies and related research, this service inquires statistical data on the status of correction organizations and facilities, inmate status, inmate treatment, and social return programs

    RESTReview requiredNo restriction
  17. Ministry of Justice – Notary Office Status Information

    Ministry of Justice · Nationwide · Law › Justice and Prosecution › Legal Administration and Lawyers · Updated 2023-09-18
    36 requests

    Provides the competent prosecutor's office that governs the notary office subject to detailed notary office status, as well as the name, address, postal code, telephone number, and fax number of the notary office governed by that prosecutor's office.

    RESTReview requiredNo restriction
  18. Korean Institute of Criminology and Justice – Prosecution Yearbook Information Inquiry Service

    Korean Institute of Criminology and Justice · Nationwide · Law › Justice and Prosecution › Crime Statistics and Criminal Policy · Updated 2025-01-08
    35 requests

    Based on the prosecution yearbook published annually by the Supreme Prosecutors' Office, inquiry of statistical data on the processing status by prosecutors' office/crime name for juvenile, student, foreign, and female cases, acceptance of appeals and judicial applications for non-indictment decisions, issuance of arrest warrants by prosecutors' office, and execution of fines.

    RESTReview requiredNo restriction
  19. Constitutional Court – Plea Case Inquiry Service

    Constitutional Court · Nationwide · Law › Justice and Prosecution › Constitutional Court Precedents and Cases · Updated 2025-02-26
    32 requests

    The Constitutional Court Plea Case Inquiry Service is an API that allows users to query constitutional trial plea-related data by providing plea schedules and plea lists based on year and month, as well as major plea schedules and detailed information based on case numbers and case names.

    RESTReview requiredAttribution required
  20. Korean Institute of Criminology and Justice – Crime Prevention Policy Information Inquiry Service

    Korean Institute of Criminology and Justice · Nationwide · Law › Justice and Prosecution › Crime Statistics and Criminal Policy · Updated 2025-01-08
    31 requests

    Based on the crime prevention policy statistical analysis booklet published since 2020 by the Crime Prevention Policy Bureau of the Ministry of Justice to be used as basic data for community-based treatment, juvenile crime prevention, and related research, it provides inquiries into statistical data such as probation status, sex offender personal information, and youth delinquency prevention.

    RESTReview requiredNo restriction
  21. Korean Institute of Criminology and Justice – Legal Protection Yearbook Information Inquiry Service

    Korean Institute of Criminology and Justice · Nationwide · Law › Justice and Prosecution › Crime Statistics and Criminal Policy · Updated 2025-01-08
    24 requests

    Inquiry into statistical data of various protection projects such as vocational training and psychological counseling for the self-reliance of people who have received criminal disposition/protective disposition and the status of protected persons, based on legal protection statistics published annually by the Korea Legal Aid and Protection Corporation.

    RESTReview requiredNo restriction
  22. Ministry of Justice – Law Firm Status Inquiry Service

    Ministry of Justice · Nationwide · Law › Justice and Prosecution › Legal Administration and Lawyers · Updated 2026-09-09
    12 requests

    The “Law Firm Status Inquiry Service” provided by the Ministry of Justice is public data that collectively provides basic information on law firms established and operated in accordance with the Attorney-at-Law Act. The data consists of the law firm name, location, address, etc. Original data can be checked in the law firm data room on the Ministry of Justice website, and the path is below. https…

    RESTReview requiredNo restriction
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