Introduction
Welcome to the developer home of DeepL API.
Get an API Key and Get Started
New user? Follow these quick steps to get started with the DeepL API.
Step 1: Sign up for the DeepL API athttps://www.deepl.com/en/pro#developer
After logging in, you will find your API keys athttps://www.deepl.com/en/your-account/keys
Step 2: Test your API key with a request.
Here are a few simple options that you can start with. Choose any one and replace{YOUR_API_KEY}with your own key.
Open a terminal.
export API_KEY={YOUR_API_KEY}curl-XPOSThttps://api.deepl.com/v2/translate \--header"Content-Type: application/json" \--header"Authorization: DeepL-Auth-Key $API_KEY" \--data'{ "text": ["Hello world!"], "target_lang": "DE"}'{"translations": [ {"detected_source_language":"EN","text":"Hallo, Welt!" } ]}Choose a local directory to work in.
pipinstalldeeplimport deeplauth_key="{YOUR_API_KEY}"translator= deepl.Translator(auth_key)result= translator.translate_text("Hello, world!", target_lang="DE")print(result.text)Hallo, Welt!Choose a local directory to work in.
npm install deepl-nodeimport * as deepl from 'deepl-node';const authKey = "{YOUR_API_KEY}";const translator = new deepl.Translator(authKey);(async () => { const result = await translator.translateText('Hello, world!', null, 'de'); console.log(result.text);})();Hallo, Welt!Note: If you are on a free API account, you can replacehttps://api.deepl.com withhttps://api-free.deepl.com.
Start Developing
Cookbook - Explore a large variety of examples from both internal and external contributors for using the DeepL API for different applications.
Guides - Discover additional examples and guides for using the DeepL API.
Your First API Request - Get started quickly with DeepL.
Community and Support
Release Notes - Check out the new features in recent DeepL API releases.
Have feedback about our docs? We'd love to hear from you. Please share your thoughts in ourdeveloper community in Discord.
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