Supertext API
The facts below are what the maker publishes about Supertext API, checked and dated. Our editors have not written about it yet.
Plans and prices
From Supertext API's own pricing page, checked 22 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| API monthly base fee | Priced on request | Separate monthly API subscription |
| API monthly base fee | — | Separate monthly API subscription |
| API usage | Priced on request | Usage-based translation charges |
| API usage | — | Usage-based translation charges |
| API subscription | 4.90 CHF/EUR a month | CHF/EUR 20 per million characters · verification billed separately · Monthly base fee; usage-based charges are billed monthly. |
The facts
Each one read from Supertext API's own pages, with the date it was checked.
What it does
- Access and monitoring
- The API uses API-key authentication and offers usage monitoring and cost overviews in the cockpit.checked 12 Oct 2026
- API access
- Yeschecked 22 Sep 2026
- Certifications
- Supertext states it is certified to ISO 27001, ISO 9001, ISO 17100, and ISO 18587.checked 12 Oct 2026
- Document translation
- Yeschecked 22 Sep 2026
- File formats
- Supported formats include HTML, XML, DOCX, XLSX, PPTX, PDF, SRT, and TXT.checked 12 Oct 2026
- File limits
- File translation supports up to 1,000,000 characters and 30 MiB per file, at up to 1 request per second.checked 12 Oct 2026
- Glossaries
- Requests can include glossaries and a preferred formality level to keep translations aligned with terminology and tone.checked 12 Oct 2026
- Glossary tools
- Yeschecked 22 Sep 2026
- Human verification
- Professional linguists can verify important translations through the API, with verification available from CHF/EUR 5.70.checked 12 Oct 2026
- Integration
- The HTTP API is designed to connect with core systems such as CMS, PIM, and TMS.checked 12 Oct 2026
- Intended users
- Supertext describes the API as built for developers, growth teams, and localisation specialists.checked 12 Oct 2026
- Language detection
- The API can automatically detect the language of text or files.checked 12 Oct 2026
- Languages
- The API offers automatic translation in 28 languages, with additional language variants.checked 12 Oct 2026
- Purpose
- The RESTful API translates text and files with AI and can be integrated into websites, programs, and other systems.checked 12 Oct 2026
- Request limits
- AI text requests allow up to 10,000 characters at 5 requests per second; fused text requests allow 3,000 characters at 1 request per second.checked 12 Oct 2026
- Security
- Supertext says the API is hosted on Swiss servers or on-premises, uses encrypted transmission and instant text deletion, and complies with GDPR and Swiss FADP.checked 12 Oct 2026
- Supported languages
- 28checked 22 Sep 2026
- Website translation
- Yeschecked 22 Sep 2026
- Workflow
- The API supports instant AI translation and asynchronous human-assisted translation workflows.checked 12 Oct 2026
Money
- Free plan
- Nochecked 22 Sep 2026
The company
- Headquarters
- Zurich, Switzerlandchecked 4 Oct 2026
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