API Usage

const res = await fetch("https://libretranslate.com/translate", {
  method: "POST",
  body: JSON.stringify({
    q: "Hello!",
    source: "en",
    target: "es",
    api_key: "xxxxxx" // can be optional with self-hosting
  }),
  headers: { "Content-Type": "application/json" },
});

console.log(await res.json());

{
    "translatedText": "¡Hola!"
}

const res = await fetch("https://libretranslate.com/translate", {
  method: "POST",
  body: JSON.stringify({
    q: "Bonjour!",
    source: "auto",
    target: "en",
    api_key: "xxxxxx"
  }),
  headers: { "Content-Type": "application/json" },
});

console.log(await res.json());

{
    "detectedLanguage": {
        "confidence": 90.0,
        "language": "fr"
    },
    "translatedText": "Hello!"
}

const res = await fetch("https://libretranslate.com/translate", {
  method: "POST",
  body: JSON.stringify({
    q: '<p class="green">Hello!</p>',
    source: "en",
    target: "es",
    format: "html",
    api_key: "xxxxxx"
  }),
  headers: { "Content-Type": "application/json" },
});

console.log(await res.json());

{
    "translatedText": "<p class=\"green\">¡Hola!</p>"
}

const res = await fetch("https://libretranslate.com/translate", {
  method: "POST",
  body: JSON.stringify({
    q: "Hello",
    source: "en",
    target: "it",
    format: "text",
    alternatives: 3,
    api_key: "xxxxxx"
  }),
  headers: { "Content-Type": "application/json" },
});

console.log(await res.json());

{
    "alternatives": [
        "Salve",
        "Pronto"
    ],
    "translatedText": "Ciao"
}

const res = await fetch("https://libretranslate.com/detect", {
  method: "POST",
  body: JSON.stringify({
    q: "Bonjour!",
  }),
  headers: { "Content-Type": "application/json" },
});

console.log(await res.json());

[{
    "confidence": 90.0,
    "language": "fr"
}]