Papago

aid: papago
name: Papago
description: Naver Papago translation REST API for translating text between Korean, English, Japanese, Chinese, and other
  Asian and European languages using Neural Machine Translation (NMT) algorithms. The service offers text translation, document
  translation, website translation, language detection, and glossary management, supporting 29 language pairs with high accuracy
  and no data retention for user privacy.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/papago/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
tags:
- Translation
- Natural Language Processing
- Machine Translation
- Neural Machine Translation
- Korean
- Asian Languages
- Localization
- Language Detection
apis:
- aid: papago:papago-nmt-translation
  name: Papago NMT Translation API
  description: Neural Machine Translation API for translating text between 29 language pairs including Korean, English, Japanese,
    Chinese (Simplified and Traditional), Vietnamese, Thai, Indonesian, French, Spanish, Russian, German, and Italian. Supports
    up to 5,000 characters per request with optional glossary and honorific language modes.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://api.ncloud-docs.com/docs/en/ai-naver-papagonmt
  baseURL: https://papago.apigw.ntruss.com/nmt/v1
  tags:
  - Translation
  - Neural Machine Translation
  - Korean
  - Asian Languages
  properties:
  - type: Documentation
    url: https://api.ncloud-docs.com/docs/en/ai-naver-papagonmt
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/papago/refs/heads/main/openapi/openapi.yaml
  contact:
  - FN: Naver Cloud Platform Support
    url: https://www.ncloud.com/support/question
- aid: papago:papago-language-detection
  name: Papago Language Detection API
  description: Automatically detects the language of input text, supporting 15 languages including Korean, English, Japanese,
    Chinese, Vietnamese, Thai, Indonesian, French, Spanish, Russian, German, Italian, Portuguese, and Hindi. Language detection
    is provided at no charge.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://api.ncloud-docs.com/docs/en/ai-naver-papagonmt
  baseURL: https://papago.apigw.ntruss.com/langs/v1
  tags:
  - Language Detection
  - Natural Language Processing
  properties:
  - type: Documentation
    url: https://api.ncloud-docs.com/docs/en/ai-naver-papagonmt
  contact:
  - FN: Naver Cloud Platform Support
    url: https://www.ncloud.com/support/question
- aid: papago:papago-document-translation
  name: Papago Document Translation API
  description: Translates documents while preserving their original layout, supporting MS Office formats (DOCX, PPTX, XLSX),
    PDF, and Korean Hangul (HWP v5.0+) files up to 100 MB and 300,000 characters per document across 15 language pairs.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://api.ncloud-docs.com/docs/en/ai-naver-papagonmt
  baseURL: https://papago.apigw.ntruss.com/doc-trans/v1
  tags:
  - Document Translation
  - File Translation
  properties:
  - type: Documentation
    url: https://api.ncloud-docs.com/docs/en/ai-naver-papagonmt
  contact:
  - FN: Naver Cloud Platform Support
    url: https://www.ncloud.com/support/question
- aid: papago:papago-website-translation
  name: Papago Website Translation API
  description: Detects and translates HTML documents and web elements using proprietary tag restoration technology for improved
    translation accuracy across websites and web applications, supporting 15 language pairs.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://api.ncloud-docs.com/docs/en/ai-naver-papagonmt
  baseURL: https://papago.apigw.ntruss.com/web-trans/v1
  tags:
  - Website Translation
  - HTML Translation
  - Web Localization
  properties:
  - type: Documentation
    url: https://api.ncloud-docs.com/docs/en/ai-naver-papagonmt
  contact:
  - FN: Naver Cloud Platform Support
    url: https://www.ncloud.com/support/question
- aid: papago:papago-glossary
  name: Papago Glossary API
  description: Manages custom terminology dictionaries for contextually appropriate translations. Allows registration and
    retrieval of glossaries with up to 20 terms per request, applied across all Papago translation services for consistent
    domain-specific terminology.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://api.ncloud-docs.com/docs/en/ai-naver-papagonmt
  baseURL: https://papago.apigw.ntruss.com/glossary
  tags:
  - Glossary
  - Terminology
  - Custom Dictionary
  properties:
  - type: Documentation
    url: https://api.ncloud-docs.com/docs/en/ai-naver-papagonmt
  contact:
  - FN: Naver Cloud Platform Support
    url: https://www.ncloud.com/support/question
common:
- type: Website
  url: https://www.ncloud.com/v2/product/aiService/papagoTranslation
- type: Documentation
  url: https://guide.ncloud-docs.com/docs/en/papagotranslation-overview
- type: GitHubOrg
  url: https://github.com/NaverCloudPlatform
- type: LinkedIn
  url: https://www.linkedin.com/company/navercloud
- type: Blog
  url: https://medium.com/naver-cloud
- type: Pricing
  url: https://www.ncloud.com/charge/calc
- type: StatusPage
  url: https://www.ncloud.com/v2/serviceStatus
- type: X
  url: https://x.com/NaverCloudPlatf
- type: Plans
  url: https://raw.githubusercontent.com/api-evangelist/papago/refs/heads/main/plans/plans.yml
- type: RateLimits
  url: https://raw.githubusercontent.com/api-evangelist/papago/refs/heads/main/rate-limits/rate-limits.yml
- type: FinOps
  url: https://raw.githubusercontent.com/api-evangelist/papago/refs/heads/main/finops/finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com