diff --git a/packages/wp-types/index.ts b/packages/wp-types/index.ts
index 6eabbee..7c8e965 100644
--- a/packages/wp-types/index.ts
+++ b/packages/wp-types/index.ts
@@ -136,6 +136,32 @@ export type WP_REST_API_Navigation_Menu = WP_REST_API_Partial_Post_Common;
  * A collection of navigation menu objects in a REST API context.
  */
 export type WP_REST_API_Navigation_Menus = WP_REST_API_Navigation_Menu[];
+/**
+ * A collection of global styles variations in a REST API context.
+ */
+export type WP_REST_API_Global_Style_Variations = {
+	/**
+	 * Version number of the global styles variation.
+	 */
+	version: number;
+	/**
+	 * Global styles.
+	 */
+	styles?: {
+		[k: string]: unknown;
+	};
+	/**
+	 * Global settings.
+	 */
+	settings?: {
+		[k: string]: unknown;
+	};
+	/**
+	 * Title of the global styles variation.
+	 */
+	title: string;
+	[k: string]: unknown;
+}[];
 /**
  * A collection of media attachment objects in a REST API context.
  */
@@ -246,6 +272,9 @@ export interface WP {
 		Pages: WP_REST_API_Pages;
 		Navigation_Menu: WP_REST_API_Navigation_Menu;
 		Navigation_Menus: WP_REST_API_Navigation_Menus;
+		Global_Style_Variation: WP_REST_API_Global_Style_Variation;
+		Global_Style_Variations: WP_REST_API_Global_Style_Variations;
+		Global_Style_Config: WP_REST_API_Global_Style_Config;
 		Attachment: WP_REST_API_Attachment;
 		Attachments: WP_REST_API_Attachments;
 		Block: WP_REST_API_Block;
@@ -2377,6 +2406,63 @@ interface WP_REST_API_Partial_Post_Excerpt {
 		protected: boolean;
 	};
 }
+/**
+ * A global styles variation item in a REST API context.
+ */
+export interface WP_REST_API_Global_Style_Variation {
+	/**
+	 * ID of global styles variation.
+	 */
+	id: number;
+	/**
+	 * Global styles.
+	 */
+	styles: {
+		[k: string]: unknown;
+	};
+	/**
+	 * Global settings.
+	 */
+	settings: {
+		[k: string]: unknown;
+	};
+	/**
+	 * Title of the global styles variation.
+	 */
+	title:
+		| string
+		| {
+				/**
+				 * Title for the global styles variation, as it exists in the database.
+				 */
+				raw?: string;
+				/**
+				 * HTML title for the post, transformed for display.
+				 */
+				rendered?: string;
+		  };
+	_links: WP_REST_API_Object_Links;
+	[k: string]: unknown;
+}
+/**
+ * A theme's global style config in a REST API context.
+ */
+export interface WP_REST_API_Global_Style_Config {
+	/**
+	 * Global styles.
+	 */
+	styles: {
+		[k: string]: unknown;
+	};
+	/**
+	 * Global settings.
+	 */
+	settings: {
+		[k: string]: unknown;
+	};
+	_links: WP_REST_API_Object_Links;
+	[k: string]: unknown;
+}
 /**
  * A media attachment object in a REST API context.
  */
diff --git a/packages/wp-types/readme.md b/packages/wp-types/readme.md
index 19d30dc..b3f9615 100644
--- a/packages/wp-types/readme.md
+++ b/packages/wp-types/readme.md
@@ -58,11 +58,11 @@ Route                                                   | Schema
 /wp/v2/font-families/{id}/                              | `WP_REST_API_Font_Family`
 /wp/v2/font-families/{parent}/font-faces                | `WP_REST_API_Font_Faces`
 /wp/v2/font-families/{parent}/font-faces/{id}           | `WP_REST_API_Font_Face`
-/wp/v2/global-styles/{id}                               | Todo
+/wp/v2/global-styles/{id}                               | `WP_REST_API_Global_Style_Variation`
 /wp/v2/global-styles/{parent}/revisions                 | Todo
 /wp/v2/global-styles/{parent}/revisions/{id}            | Todo
-/wp/v2/global-styles/themes/{stylesheet}/variations     | Todo
-/wp/v2/global-styles/themes/{stylesheet}                | Todo
+/wp/v2/global-styles/themes/{stylesheet}/variations     | `WP_REST_API_Global_Style_Variations`
+/wp/v2/global-styles/themes/{stylesheet}                | `WP_REST_API_Global_Style_Config`
 /wp/v2/media                                            | `WP_REST_API_Attachments`
 /wp/v2/media/{id}                                       | `WP_REST_API_Attachment`
 /wp/v2/media/{id}/edit                                  | Todo
diff --git a/readme.md b/readme.md
index fba4f85..4b71cc0 100644
--- a/readme.md
+++ b/readme.md
@@ -62,11 +62,11 @@ Route                                                   | Schema
 /wp/v2/font-families/{id}/                              | `WP_REST_API_Font_Family`
 /wp/v2/font-families/{parent}/font-faces                | `WP_REST_API_Font_Faces`
 /wp/v2/font-families/{parent}/font-faces/{id}           | `WP_REST_API_Font_Face`
-/wp/v2/global-styles/{id}                               | Todo
+/wp/v2/global-styles/{id}                               | `WP_REST_API_Global_Style_Variation`
 /wp/v2/global-styles/{parent}/revisions                 | Todo
 /wp/v2/global-styles/{parent}/revisions/{id}            | Todo
-/wp/v2/global-styles/themes/{stylesheet}/variations     | Todo
-/wp/v2/global-styles/themes/{stylesheet}                | Todo
+/wp/v2/global-styles/themes/{stylesheet}/variations     | `WP_REST_API_Global_Style_Variations`
+/wp/v2/global-styles/themes/{stylesheet}                | `WP_REST_API_Global_Style_Config`
 /wp/v2/media                                            | `WP_REST_API_Attachments`
 /wp/v2/media/{id}                                       | `WP_REST_API_Attachment`
 /wp/v2/media/{id}/edit                                  | Todo
diff --git a/schema.json b/schema.json
index 27f4f82..ee255f1 100644
--- a/schema.json
+++ b/schema.json
@@ -116,6 +116,15 @@
 				"Navigation_Menus": {
 					"$ref": "schemas/rest-api/collections/navigation.json"
 				},
+				"Global_Style_Variation": {
+					"$ref": "schemas/rest-api/global-style-variation.json"
+				},
+				"Global_Style_Variations": {
+					"$ref": "schemas/rest-api/collections/global-style-variations.json"
+				},
+				"Global_Style_Config": {
+					"$ref": "schemas/rest-api/global-style-config.json"
+				},
 				"Attachment": {
 					"$ref": "schemas/rest-api/attachment.json"
 				},
@@ -255,6 +264,9 @@
 				"Pages",
 				"Navigation_Menu",
 				"Navigation_Menus",
+				"Global_Style_Variation",
+				"Global_Style_Variations",
+				"Global_Style_Config",
 				"Attachment",
 				"Attachments",
 				"Block_Directory_Item",
diff --git a/schemas/rest-api/collections/global-style-variations.json b/schemas/rest-api/collections/global-style-variations.json
new file mode 100644
index 0000000..a750803
--- /dev/null
+++ b/schemas/rest-api/collections/global-style-variations.json
@@ -0,0 +1,49 @@
+{
+	"$schema": "https://json-schema.org/draft/2019-09/hyper-schema",
+	"$id": "https://raw.githubusercontent.com/johnbillion/wp-json-schemas/trunk/schemas/rest-api/collections/global-style-variations.json",
+	"title": "WP_REST_API_Global_Style_Variations",
+	"description": "A collection of global styles variations in a REST API context.",
+	"type": "array",
+	"items": {
+		"$comment": "These items are not the same shape as a single global styles variation object.",
+		"type": "object",
+		"required": [
+			"version",
+			"title"
+		],
+		"properties": {
+			"version": {
+				"description": "Version number of the global styles variation.",
+				"type": "integer"
+			},
+			"styles": {
+				"description": "Global styles.",
+				"type": "object"
+			},
+			"settings": {
+				"description": "Global settings.",
+				"type": "object"
+			},
+			"title": {
+				"description": "Title of the global styles variation.",
+				"type": "string"
+			}
+		}
+	},
+	"links": [
+		{
+			"rel": "self",
+			"href": "/wp/v2/global-styles/themes/{theme}/variations",
+			"hrefSchema": {
+				"properties": {
+					"id": {
+						"type": "string"
+					}
+				}
+			},
+			"targetSchema": {
+				"$ref": "#"
+			}
+		}
+	]
+}
diff --git a/schemas/rest-api/global-style-config.json b/schemas/rest-api/global-style-config.json
new file mode 100644
index 0000000..fdbc9e8
--- /dev/null
+++ b/schemas/rest-api/global-style-config.json
@@ -0,0 +1,41 @@
+{
+	"$schema": "https://json-schema.org/draft/2019-09/hyper-schema",
+	"$id": "https://raw.githubusercontent.com/johnbillion/wp-json-schemas/trunk/schemas/rest-api/global-style-config.json",
+	"title": "WP_REST_API_Global_Style_Config",
+	"description": "A theme's global style config in a REST API context.",
+	"type": "object",
+	"required": [
+		"styles",
+		"settings",
+		"_links"
+	],
+	"properties": {
+		"styles": {
+			"description": "Global styles.",
+			"type": "object"
+		},
+		"settings": {
+			"description": "Global settings.",
+			"type": "object"
+		},
+		"_links": {
+			"$ref": "properties/object-links.json"
+		}
+	},
+	"links": [
+		{
+			"rel": "self",
+			"href": "/wp/v2/global-styles/themes/{theme}",
+			"hrefSchema": {
+				"properties": {
+					"id": {
+						"type": "string"
+					}
+				}
+			},
+			"targetSchema": {
+				"$ref": "#"
+			}
+		}
+	]
+}
diff --git a/schemas/rest-api/global-style-variation.json b/schemas/rest-api/global-style-variation.json
new file mode 100644
index 0000000..104b848
--- /dev/null
+++ b/schemas/rest-api/global-style-variation.json
@@ -0,0 +1,83 @@
+{
+	"$schema": "https://json-schema.org/draft/2019-09/hyper-schema",
+	"$id": "https://raw.githubusercontent.com/johnbillion/wp-json-schemas/trunk/schemas/rest-api/global-style-variation.json",
+	"title": "WP_REST_API_Global_Style_Variation",
+	"description": "A global styles variation item in a REST API context.",
+	"type": "object",
+	"required": [
+		"id",
+		"styles",
+		"settings",
+		"title",
+		"_links"
+	],
+	"properties": {
+		"id": {
+			"description": "ID of global styles variation.",
+			"type": "integer"
+		},
+		"styles": {
+			"description": "Global styles.",
+			"type": "object"
+		},
+		"settings": {
+			"description": "Global settings.",
+			"type": "object"
+		},
+		"title": {
+			"description": "Title of the global styles variation.",
+			"oneOf": [
+				{
+					"type": "string"
+				},
+				{
+					"type": "object",
+					"properties": {
+						"raw": {
+							"description": "Title for the global styles variation, as it exists in the database.",
+							"type": "string"
+						},
+						"rendered": {
+							"description": "HTML title for the post, transformed for display.",
+							"type": "string"
+						}
+					},
+					"additionalProperties": false
+				}
+			]
+		},
+		"_links": {
+			"$ref": "properties/object-links.json"
+		}
+	},
+	"links": [
+		{
+			"rel": "self",
+			"href": "/wp/v2/global-styles/{id}",
+			"hrefSchema": {
+				"properties": {
+					"id": {
+						"$ref": "#/properties/id"
+					}
+				}
+			},
+			"targetSchema": {
+				"$ref": "#"
+			}
+		},
+		{
+			"rel": "collection",
+			"href": "/wp/v2/global-styles/themes/{theme}/variations",
+			"hrefSchema": {
+				"properties": {
+					"id": {
+						"type": "string"
+					}
+				}
+			},
+			"targetSchema": {
+				"$ref": "collections/global-style-variations.json"
+			}
+		}
+	]
+}
diff --git a/tests/bin/test.sh b/tests/bin/test.sh
index 261541b..cc9a9cb 100755
--- a/tests/bin/test.sh
+++ b/tests/bin/test.sh
@@ -70,3 +70,7 @@ for file in schemas/rest-api/collections/*.json
 do
 	validate_schema "$file"
 done
+
+# Validation for REST API entities that don't have a collection:
+validate_schema schemas/rest-api/global-style-variation.json
+validate_schema schemas/rest-api/global-style-config.json
diff --git a/tests/mu-plugins/mu-plugin.php b/tests/mu-plugins/mu-plugin.php
index a5d9f5b..37a4941 100644
--- a/tests/mu-plugins/mu-plugin.php
+++ b/tests/mu-plugins/mu-plugin.php
@@ -106,12 +106,16 @@ function save_object_array( array $data, string $dir ) : void {
  * @param WP_REST_Response[] $data Array of responses to a REST API request.
  * @param string             $dir  The directory to save the files.
  */
-function save_rest_array( array $data, string $dir ) : void {
+function save_rest_array( array $data, string $dir, bool $single = false ) : void {
 	if ( empty( $data ) ) {
 		throw new \Exception( "No REST API data to save for {$dir}." );
 	}
 
-	$dir = dirname( ABSPATH ) . '/data/rest-api/collections/' . $dir;
+	if ( $single ) {
+		$dir = dirname( ABSPATH ) . '/data/rest-api/' . $dir;
+	} else {
+		$dir = dirname( ABSPATH ) . '/data/rest-api/collections/' . $dir;
+	}
 
 	if ( ! file_exists( $dir ) ) {
 		mkdir( $dir, 0777, true );
diff --git a/tests/output/post.php b/tests/output/post.php
index 35a2281..ad59f7c 100644
--- a/tests/output/post.php
+++ b/tests/output/post.php
@@ -2,6 +2,10 @@
 
 namespace WPJsonSchemas;
 
+$theme = wp_get_theme();
+$theme_name = $theme->get_stylesheet();
+$theme_dir = $theme->get_stylesheet_directory();
+
 $parent_post = wp_insert_post( [
 	'post_type'   => 'post',
 	'post_title'  => 'Post Title',
@@ -58,6 +62,27 @@
 	'post_status'  => 'publish',
 ] );
 
+$global_style_ids = [];
+
+foreach ( glob( $theme_dir . '/styles/*.json' ) as $variation ) {
+	$json = file_get_contents( $variation );
+	$data = json_decode( $json, true );
+
+	$data['isGlobalStylesUserThemeJSON'] = true;
+	$data['version'] = \WP_Theme_JSON::LATEST_SCHEMA;
+
+	$global_style_ids[] = wp_insert_post( [
+		'post_type'    => 'wp_global_styles',
+		'post_title'   => ' Style Variation: ' . basename( $variation ),
+		'post_content' => addslashes( json_encode( $data, JSON_UNESCAPED_SLASHES ) ),
+		'post_status'  => 'publish',
+	] );
+}
+
+if ( empty( $global_style_ids ) ) {
+	throw new \Exception( 'No global style variations found' );
+}
+
 $posts = get_posts( [
 	'posts_per_page' => -1,
 	'post_status'    => 'any',
@@ -68,6 +93,7 @@
 
 save_object_array( $posts, 'post' );
 
+// Generate REST API responses for all post types
 foreach ( [ 'posts', 'pages', 'blocks', 'navigation' ] as $type ) {
 	$view_data = get_rest_response( 'GET', "/wp/v2/{$type}", [
 		'context' => 'view',
@@ -88,3 +114,54 @@
 		$empty_response,
 	], $type );
 }
+
+$global_style_data = [];
+
+foreach ( $global_style_ids as $id ) {
+	// Generate REST API responses for each of the single global style variations
+	$global_style_data[] = get_rest_response( 'GET', "/wp/v2/global-styles/{$id}", [
+		'context' => 'view',
+	] );
+	$global_style_data[] = get_rest_response( 'GET', "/wp/v2/global-styles/{$id}", [
+		'context' => 'edit',
+	] );
+}
+
+save_rest_array(
+	$global_style_data,
+	'global-style-variation',
+	true,
+);
+
+// Generate REST API responses for the global style variations collection
+$view_data = get_rest_response( 'GET', "/wp/v2/global-styles/themes/{$theme_name}/variations", [
+	'context' => 'view',
+] );
+$edit_data = get_rest_response( 'GET', "/wp/v2/global-styles/themes/{$theme_name}/variations", [
+	'context' => 'edit',
+] );
+
+save_rest_array(
+	[
+		$view_data,
+		$edit_data,
+	],
+	'global-style-variations',
+);
+
+// Generate REST API responses for the theme global style config
+$view_data = get_rest_response( 'GET', "/wp/v2/global-styles/themes/{$theme_name}", [
+	'context' => 'view',
+] );
+$edit_data = get_rest_response( 'GET', "/wp/v2/global-styles/themes/{$theme_name}", [
+	'context' => 'edit',
+] );
+
+save_rest_array(
+	[
+		$view_data,
+		$edit_data,
+	],
+	'global-style-config',
+	true,
+);