locize From $7/mo · Free plan 9.4 Visit Supertext API
supertext.com
Spec sheet
- Purpose
- The RESTful API translates text and files with AI and can be integrated into websites, programs, and other systems.Read 12 Oct 2026 · supertext.com
- Intended users
- Supertext describes the API as built for developers, growth teams, and localisation specialists.Read 12 Oct 2026 · supertext.com
- Free plan
- NoRead 22 Sep 2026 · supertext.com
- 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.Read 12 Oct 2026 · supertext.com
- Headquarters
- Zurich, SwitzerlandRead 4 Oct 2026 · supertext.com
- Access and monitoring
- The API uses API-key authentication and offers usage monitoring and cost overviews in the cockpit.Read 12 Oct 2026 · supertext.com
- API access
- YesRead 22 Sep 2026 · supertext.com
- Certifications
- Supertext states it is certified to ISO 27001, ISO 9001, ISO 17100, and ISO 18587.Read 12 Oct 2026 · supertext.com
- Document translation
- YesRead 22 Sep 2026 · supertext.com
- File formats
- Supported formats include HTML, XML, DOCX, XLSX, PPTX, PDF, SRT, and TXT.Read 12 Oct 2026 · supertext.com
- File limits
- File translation supports up to 1,000,000 characters and 30 MiB per file, at up to 1 request per second.Read 12 Oct 2026 · supertext.com
- Glossaries
- Requests can include glossaries and a preferred formality level to keep translations aligned with terminology and tone.Read 12 Oct 2026 · supertext.com
- Glossary tools
- YesRead 22 Sep 2026 · supertext.com
- Human verification
- Professional linguists can verify important translations through the API, with verification available from CHF/EUR 5.70.Read 12 Oct 2026 · supertext.com
- Integration
- The HTTP API is designed to connect with core systems such as CMS, PIM, and TMS.Read 12 Oct 2026 · supertext.com
- Language detection
- The API can automatically detect the language of text or files.Read 12 Oct 2026 · supertext.com
- Languages
- The API offers automatic translation in 28 languages, with additional language variants.Read 12 Oct 2026 · supertext.com
- 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.Read 12 Oct 2026 · supertext.com
- Supported languages
- 28Read 22 Sep 2026 · supertext.com
- Website translation
- YesRead 22 Sep 2026 · supertext.com
- Workflow
- The API supports instant AI translation and asynchronous human-assisted translation workflows.Read 12 Oct 2026 · supertext.com
Plans and prices
API monthly base fee Price not published Separate monthly API subscription Read 22 Sep 2026 · supertext.com
API monthly base fee Priced on request Separate monthly API subscription Read 22 Sep 2026 · supertext.com
API usage Price not published Usage-based translation charges Read 22 Sep 2026 · supertext.com
API usage Priced on request Usage-based translation charges Read 22 Sep 2026 · supertext.com
API subscription 4.90 CHF/EUR a month Monthly base fee; usage-based charges are billed monthly. CHF/EUR 20 per million characters · verification billed separately Read 12 Oct 2026 · supertext.com
Where Specifiction places it
- Translation apps#100 of 1587.7
- Translation Software#99 of 1567.7
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