API Documentation — deepl
Integrate LanguageAI's translation capabilities directly into your applications
Quickstart
Get started with the LanguageAI API in minutes. Step-by-step guide with code examples in multiple languages.
SDKs & Client Libraries
Official and community-maintained client libraries for Python, JavaScript, PHP, .NET, Java, Ruby, and more.
Translate Text API
Translate text between 33+ languages. Full parameter reference for the POST /v2/translate endpoint.
Translate Document API
Upload, translate, and download documents. Supports PDF, DOCX, PPTX, XLSX, HTML, and more.
Developer Platform
Manage API keys, monitor usage, configure webhooks, and access team collaboration features.
API Pricing
View pricing plans for API usage, including pay-as-you-go and volume-based subscription options.
Ready to build?
Start integrating the LanguageAI API into your applications today