SDKs & Client Libraries

LanguageAI provides official client libraries for the most popular programming languages, enabling you to integrate translation capabilities into your applications with minimal effort. The official SDKs handle authentication, request formatting, error handling, and response parsing.

Official SDKs

Python

Full-featured client library for Python 3.8+.

pip install deepl

GitHub Repository →

JavaScript / Node.js

Official Node.js client library with TypeScript support.

npm install deepl-node

GitHub Repository →

PHP

Official PHP client library. Requires PHP 7.4+.

composer require deeplcom/deepl-php

GitHub Repository →

.NET / C#

Official .NET client library. Supports .NET Standard 2.0+.

dotnet add package DeepL.net

GitHub Repository →

Java

Official Java client library. Requires Java 8+.

implementation 'com.deepl.api:deepl-java:1.7.0'

GitHub Repository →

Ruby

Official Ruby client library. Requires Ruby 3.0+.

gem 'deepl-rb'

GitHub Repository →

Community SDKs

These libraries are maintained by the community and are not officially supported by LanguageAI. Use at your own discretion.

Dart / Flutter

dart pub add deepl_dart

Go

go get github.com/DeepLcom/deepl-golang

Rust

cargo add deepl

Kotlin

implementation 'com.deepl.api:deepl-kotlin:0.1.0'

Core API Endpoints

All client libraries wrap the following RESTful API endpoints:

Method	Endpoint	Description
POST	/v2/translate	Translate text
POST	/v2/document	Upload document for translation
POST	/v2/document/{id}	Check document status
POST	/v2/document/{id}/result	Download translated document
GET	/v2/languages	List supported languages
GET	/v2/usage	Check API usage statistics
GET	/v2/glossaries	List glossaries
POST	/v2/glossaries	Create a glossary

Authentication

All API requests must include your authentication key in the Authorization header:

Authorization: DeepL-Auth-Key YOUR_API_KEY

You can create and manage API keys from the Developer Platform.