API documentation

Build with PolyLingo

Structure-safe translation for Markdown, JSON, HTML, and plain text. Start with authentication and your first request, then dive into every endpoint.

Getting started

Production base URL, Bearer tokens, first cURL and Node examples, health checks, and CORS.

POST /translate, batch, async jobs, usage, languages — request and response shapes, errors, and limits.

Full list of language codes and regional variants — French (Canada), Portuguese (Brazil), English (UK), and more.

TypeScript-first. npm install polylingo. Translate, batch, async jobs, and usage.

Sync and async. pip install polylingo. Same API surface with type hints.

Zero runtime dependencies. gem install polylingo. Timeouts in seconds.

Guzzle-based. composer require usepolylingo/polylingo. PHP 7.4+.

Stdlib net/http only. go get …/polylingo. Context-first API.

Java 11+. Maven Central com.usepolylingo:polylingo. HttpClient + Jackson.

Delta-friendly HTML translation for static builds — subdir or suffix layouts, optional async jobs, commit or PR.