Recognize

Max Prilutskiy·Updatedabout 2 months ago·2 min read

Detects the language of a given text and returns structured locale metadata.

Request#

POST /process/recognize
Parameter Type Description
text string The text to analyze
labelLocale string (optional) Locale for the human-readable label (default: en)
{
  "text": "Bonjour le monde",
  "labelLocale": "en"
}

Response#

{
  "locale": "fr",
  "language": "fr",
  "region": null,
  "script": null,
  "label": "French",
  "direction": "ltr"
}
Field Type Description
locale string BCP-47 locale code at the most specific level of confidence
language string ISO 639 language subtag
region string null
script string null
label string Human-readable locale name in the requested labelLocale
direction "ltr" "rtl"

Examples#

Node.js

Python

PHP

Java

C#

const response = await fetch(
  "https://api.lingo.dev/process/recognize",
  {
    method: "POST",
    headers: {
      "X-API-Key": "your_api_key",
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      text: "Bonjour le monde",
      labelLocale: "en",
    }),
  }
);

const result = await response.json();
// { locale: "fr", language: "fr", label: "French", direction: "ltr", ... }

When regional markers are present in the text (e.g., Brazilian Portuguese vocabulary), the response includes the full tag (pt-BR). When the regional variant is indistinguishable, only the language subtag is returned (pt).

Next Steps#

Localize

Provision

API Keys