MT API
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Machine translation API for your product

Enterprise-grade machine translation API powered by TildeOpen LLM for fast, accurate, and secure multilingual translation with full control over data and terminology.

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Real-world applications

Integrate the API directly into your system with no complex infrastructure required. Send text, documents, or images in a single API call and receive translated content ready to use or publish. Apply glossary rules or translation memory to keep terminology consistent.
  • Localise apps, e-shops, websites, or user interfaces for global audiences. 
  • Automate translation workflows for content-heavy platforms
  • Translate documentation, reports, and data sets in multiple languages without manual effort.
  • Ensure consistent branding and terminology across multilingual assets. 

Translation API made for developer workflows and enterprise scale

Unlimited text translation

Translate any amount of text in over 130 language pairs, from short messages to large datasets, without character limits.

Glossaries & translation memory

Maintain consistent terminology across all languages with unlimited glossaries and translation-memory reuse — ideal for technical manuals, branded content, or product documentation. 

Document & image translation

Translate over 30 file types (DOC, DOCX, XLSX, PPTX, PDF) and common image formats (JPEG, PNG, BMP), up to 25 MB per file.

Robust security

Built for enterprise and public-sector standards, Tilde Machine Translation API ensures that your data remains secure and confidential throughout the translation process.

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Simple pricing. Pay for what you use.

Free trial includes 250K characters. No credit card required.

€17,50
Per 1M characters
  • Unlimited text translation
  • File translation (up to 25 MB)
  • Image translation (+€0,02 per image)
  • Quality & consistency with translation memory and unlimited glossaries
  • Enterprise level data security
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Frequently asked questions

What is the Tilde MT API?

It’s a translation service you can connect your website, app or professional CAT tool to or workflow to translate text, documents, and images automatically without building or maintaining your own translation infrastructure.

The following file formats with a maximum file size of 25MB are supported:

.docx, .doc, .docm, .xlsx, .pptx, .pdf, .odt, .odp, .ods, .txt, .rtf, .pages, .sxw, .jpg, .jpeg, .png, .bmp, .sdlxliff, .sdlxlf, .ttx, .tmx, .xlf, .xlif, .xliff, .html, .htm, .json, .xhtml, .xht, .tex, .srt. 

In most cases, yes. The Tilde MT API extracts text from documents (and uses OCR for scanned files or images) and returns a translated file that typically preserves the original structure and formatting. For complex layouts, results may vary.

Your content is handled with strong security practices, encryption is used and translation data is not stored, analysed or used for model training. It’s deleted after you receive the translation.

Yes, use glossaries and translation memory to keep preferred wording consistent across languages and content types. To get access to Tilde Term portal, our terminology management tool, please contact support@tilde.com