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# Create a locale

POST https://api.contentful.com/spaces/{space_id}/environments/{environment_id}/locales
Content-Type: application/vnd.contentful.management.v1+json

Use this endpoint to create a new locale for the specified space. You cannot create two locales with the same locale code.

Reference: https://contentful.com/developers/docs/references/content-management-api/locales/create-a-locale

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <token>`, where token is your auth token.

## Request

### Path parameters

- `space_id` (string, required) — ID of the space in form of a string
- `environment_id` (string, required) — ID of the environment in form of a string

### Body (application/vnd.contentful.management.v1+json)

This endpoint expects a map from string to any.

- `map from string to any`

## Response

### 201

Created - Resource created successfully

- `map from string to any`

## Examples

**Request**

```json
{
  "code": "en-US",
  "fallbackCode": "en-US",
  "name": "English (United States)",
  "optional": false
}
```

**Response**

```json
{
  "code": "en-US",
  "contentDeliveryApi": true,
  "contentManagementApi": true,
  "default": false,
  "fallbackCode": "en-US",
  "name": "English (United States)",
  "optional": false,
  "sys": {
    "createdAt": "2025-09-21T13:03:32.000Z",
    "createdBy": {
      "sys": {
        "id": "7BslKh9TdKGOK41VmLDjFZ",
        "linkType": "User",
        "type": "Link"
      }
    },
    "environment": {
      "sys": {
        "id": "staging",
        "linkType": "Environment",
        "type": "Link"
      }
    },
    "id": "34N35DoyUQAtaKwWTgZs34",
    "space": {
      "sys": {
        "id": "yadj1kx9rmg0",
        "linkType": "Space",
        "type": "Link"
      }
    },
    "type": "Locale",
    "updatedAt": "2025-09-21T13:03:32.000Z",
    "updatedBy": {
      "sys": {
        "id": "4FLrUHftHW3v2BLi9fzfjU",
        "linkType": "User",
        "type": "Link"
      }
    },
    "version": 1
  }
}
```

**SDK Code**

```android Android
// Create the Contentful client.
final CMAClient client =
    new CMAClient
        .Builder()
        .setAccessToken("<access_token>")
        .setSpaceId("<space_id>")
        .setEnvironmentId("<environment_id>")
        .build();

final CMALocale locale = new CMALocale()
    .setName("<locale_name>")
    .setId("<locale_id>");

client
    .locales()
    .async()
    .create(
        locale,
        new CMACallback<CMALocale>() {
          @Override protected void onSuccess(CMALocale newLocale) {
            new AlertDialog.Builder(context)
                .setTitle("Contentful Success")
                .setMessage("New locale created." +
                    "\n\nResult: " + newLocale)
                .show();
          }

          @Override protected void onFailure(RuntimeException exception) {
            new AlertDialog.Builder(context)
                .setTitle("Contentful Error")
                .setMessage("Could not create a new locale." +
                    "\n\nReason: " + exception.toString())
                .show();
            super.onFailure(exception);
          }
        }
    );
```

```java Java
// Create the Contentful client.
final CMAClient client =
    new CMAClient
        .Builder()
        .setAccessToken("<access_token>")
        .setSpaceId("<space_id>")
        .setEnvironmentId("<environment_id>")
        .build();

final CMALocale locale = new CMALocale()
    .setCode("code")
    .setName("name");

final CMALocale newLocale = client
    .locales()
    .create(locale);

// new locale created, do something with it
```

```kotlin Kotlin
// Create the Contentful client.
val client = CMAClient.Builder()
    .setAccessToken("<access_token>")
    .setSpaceId("<space_id>")
    .setEnvironmentId("<environment_id>")
    .build()

val locale = CMALocale()
        .setCode("code")
        .setName("name")

val newLocale = client
        .locales()
        .create(locale)

// new locale created, do something with it
```

```swift Swift
We currently don't provide a CMA SDK for this platform.
```

```js-legacy JavaScript (legacy)
import { createClient } from 'contentful-management'

const client = createClient({
  accessToken: '<content_management_api_key>'
}, { type: 'legacy' })

// Create locale
client.getSpace('<space_id>')
.then((space) => space.getEnvironment('<environment_id>'))
.then((environment) => environment.createLocale({
  name: 'German (Austria)',
  code: 'de-AT',
  fallbackCode: 'de-DE',
  optional: true
}))
.then((locale) => console.log(locale))
.catch(console.error)
```

```javascript JavaScript
import { createClient } from 'contentful-management'

// Client init
const client = contentful.createClient({
  accessToken: '<content_management_api_key>'
})

const locale = await client.locale.create(
  {
    spaceId: '<space_id>',
    environmentId: '<environment_id>',
  },
  {
    name: 'German (Austria)',
    code: 'de-AT',
    fallbackCode: 'de-DE',
    optional: true,
  }
);
```

```php PHP
$client = new \Contentful\Management\Client('<content_management_api_key>');

$environment = $client->getEnvironmentProxy('<space_id>', '<environment_id>');

$locale = new \Contentful\Management\Resource\Locale(
  'Italian', // Locale name
  'it-IT', // Locale code
  'en-US' // Fallback code
);

$environment->create($locale);
```

```ruby Ruby
require 'contentful/management'

client = Contentful::Management::Client.new('<content_management_api_key>')

locale = client.locales('<space_id>', '<environment_id>').create(
  name: 'Spanglish',
  code: 'es-US'
)
```

```python Python
from contentful_management import Client

client = Client('<content_management_api_key>')

locale = client.locales('<space_id>', '<environment_id>').create({
    'name': 'Spanglish',
    'code': 'es-EN',
    'fallbackCode': 'en-US',
    'optional': True,
    'contentDeliveryApi': True,
    'contentManagementApi': True
})
```

```.net .NET
// This client should only be created once per application.
var httpClient = new HttpClient();

var client = new ContentfulManagementClient(httpClient, "<content_management_api_key>", "<space_id>");

var newLocale = new Local()
{
    Name = "Swenglish", // The name of the locale
    Code = "en-SV", // The code of the locale, can be an arbitrary string
    FallbackCode = "en-GB", // The code of the locale to fallback to if this locale is missing a translation for a given field
    Optional = true, // Whether this locale allows for empty required fields, this is important to allow a locale to fallback to another locale if missing
    ContentDeliveryApi = true, // Whether this locale should be enabled in the API response for the delivery api
    ContentManagementApi = true // Whether this locale should be visible in the management api
};

await client.CreateLocale(locale);
```