Angela Lanza-Mariani
July 22, 2025
The new Supertext API – for high-quality translations in every interface
Faster, better and more secure translation: the new Supertext API lets companies seamlessly integrate AI-supported translations into their programs and processes in 28 languages. Users can access Supertext’s secure technology flexibly through their own work tools, whether they want a fully automated solution or a professionally verified translation. All the benefits of the latest LLM technology with almost no admin overhead.
Want to get started right away? Click here for the API documentation.
The Supertext API (application programming interface) works via a simple HTTP interface and can be integrated directly into existing systems such as CMS, PIM or TMS, allowing users to translate their content in real time in the same place they’re creating it. Glossaries and style guides can be added flexibly to each API request.
For particularly important texts, professional linguists are on hand to verify translations within just a few minutes at the push of a button. All processing is GDPR- and FADP-compliant, and takes place on Swiss servers or on-premises for maximum data security.
What can the Supertext API do?
The API is suitable for any type of content that needs to be translated as part of the content creation process – securely, in line with a company’s brand and in up to 28 languages. The interface gives teams of all sizes access to our latest generation of in-house large language model (LLM) – the same technology that Supertext used to qualitatively outperform DeepL in February, particularly when it came to continuous texts.
This makes the API an exciting option for anyone who wants to integrate language AI reliably into the translation process, whether to drive international growth or just to simplify multilingual communication.
Typical application scenarios include:
- Automatically translating e-commerce content
- Localising websites and apps in real time
- Setting up multilingual customer support
- Improving internal and external communication
- Establishing AI translation as a go-to solution for the entire workforce
- Having particularly important translations cross-checked by professionals at the touch of a button
- Integrating “Translation as a Feature” into your own software
Discover the API subscription now
How the integration works
Admins can create API keys directly in the Supertext dashboard – multiple times and flexibly deployable, e.g. for different teams, environments or applications. Once the API subscription is active, the interface can be integrated into any endpoint.
Translation, speech recognition and the Verification service are available directly in the existing system environment. The API also lets users enquire about the price of Verification before submitting an order.
All data is transmitted in encrypted form and deleted immediately after processing. The API is managed centrally via the dashboard, which includes key management and usage tracking.
Optimise your workflows with the Supertext API – for professional translations in every interface.
