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# Extensions

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The extensions endpoints are used by the Admin App to retrieve what extensions to install.

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## List Interfaces

List the available interfaces in the project.

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### Query Parameters

This endpoint doesn't currently support any query parameters.

### Returns

An array of interface extension keys.

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### `GET /extensions/interfaces`

```json
// Response

{
	"data": ["custom-wysiwyg", "stocks"]
}
```

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## List Displays

List the available displays in the project.

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### Query Parameters

This endpoint doesn't currently support any query parameters.

### Returns

An array of display extension keys.

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### `GET /extensions/displays`

```json
// Response

{
	"data": ["related-values"]
}
```

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## List Layouts

List the available layouts in the project.

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### Query Parameters

This endpoint doesn't currently support any query parameters.

### Returns

An array of layout extension keys.

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### `GET /extensions/layouts`

```json
// Response

{
	"data": ["map", "calendar"]
}
```

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## List Modules

List the available modules in the project.

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### Query Parameters

This endpoint doesn't currently support any query parameters.

### Returns

An array of module extension keys.

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### `GET /extensions/modules`

```json
// Response

{
	"data": ["bookings"]
}
```

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