# gt-node: General Translation Node.js SDK: getDefaultLocale URL: https://generaltranslation.com/en-GB/docs/node/reference/functions/get-default-locale.mdx --- title: getDefaultLocale description: Read the configured source locale in General Translation gt-node. API reference for getDefaultLocale. --- Returns the default locale configured in [`initializeGT`](/docs/node/reference/functions/initialize-gt). This is your source and fallback locale. ## Overview [#overview] Call `getDefaultLocale` with no arguments to get the configured default BCP 47 locale code. ```ts import { getDefaultLocale } from 'gt-node'; const defaultLocale = getDefaultLocale(); // 'en-GB' ``` Signature: ```ts getDefaultLocale(): string ``` ## How it works [#how-it-works] * **Reads configuration.** It returns the `defaultLocale` passed to [`initializeGT`](/docs/node/reference/functions/initialize-gt). * **Synchronous.** It returns immediately and does not need to be awaited. ## Parameters [#parameters] `getDefaultLocale` takes no parameters. ## Returns [#returns] **Type** `string` The default BCP 47 locale code (for example, `'en-US'`). ## Examples [#examples] ```ts title="handler.js" // Basic usage import { getDefaultLocale } from 'gt-node'; app.get('/api/info', (req, res) => { res.json({ defaultLocale: getDefaultLocale() }); }); ```