diff --git a/src/lib/db/feature-strategy-store.ts b/src/lib/db/feature-strategy-store.ts
index e7206c03ee..2f1aa17081 100644
--- a/src/lib/db/feature-strategy-store.ts
+++ b/src/lib/db/feature-strategy-store.ts
@@ -21,7 +21,7 @@ import FeatureToggleStore from './feature-toggle-store';
 import { ensureStringValue } from '../util/ensureStringValue';
 import { mapValues } from '../util/map-values';
 import { IFlagResolver } from '../types/experimental';
-import { IFeatureProjectUserParams } from '../routes/admin-api/project/features';
+import { IFeatureProjectUserParams } from '../routes/admin-api/project/project-features';
 import Raw = Knex.Raw;
 import { Db } from './db';
 
diff --git a/src/lib/db/feature-tag-store.ts b/src/lib/db/feature-tag-store.ts
index 9c3dfea473..f3d68e51c5 100644
--- a/src/lib/db/feature-tag-store.ts
+++ b/src/lib/db/feature-tag-store.ts
@@ -136,6 +136,23 @@ class FeatureTagStore implements IFeatureTagStore {
         return tag;
     }
 
+    async tagFeatures(featureNames: string[], tag: ITag): Promise<ITag> {
+        const stopTimer = this.timer('tagFeatures');
+        await this.db<FeatureTagTable>(TABLE)
+            .insert(this.featuresAndTagToRow(featureNames, tag))
+            .catch((err) => {
+                if (err.code === UNIQUE_CONSTRAINT_VIOLATION) {
+                    throw new FeatureHasTagError(
+                        `Some of the features already have the tag: [${tag.type}:${tag.value}]`,
+                    );
+                } else {
+                    throw err;
+                }
+            });
+        stopTimer();
+        return tag;
+    }
+
     /**
      * Only gets tags for active feature toggles.
      */
@@ -227,6 +244,17 @@ class FeatureTagStore implements IFeatureTagStore {
             tag_value: value,
         };
     }
+
+    featuresAndTagToRow(
+        featureNames: string[],
+        { type, value }: ITag,
+    ): FeatureTagTable[] {
+        return featureNames.map((featureName) => ({
+            feature_name: featureName,
+            tag_type: type,
+            tag_value: value,
+        }));
+    }
 }
 
 module.exports = FeatureTagStore;
diff --git a/src/lib/openapi/index.ts b/src/lib/openapi/index.ts
index 8942448b6f..96c0a0c3a6 100644
--- a/src/lib/openapi/index.ts
+++ b/src/lib/openapi/index.ts
@@ -102,6 +102,7 @@ import {
     stateSchema,
     strategiesSchema,
     strategySchema,
+    tagsBulkAddSchema,
     tagSchema,
     tagsSchema,
     tagTypeSchema,
@@ -250,6 +251,7 @@ export const schemas = {
     stateSchema,
     strategiesSchema,
     strategySchema,
+    tagsBulkAddSchema,
     tagSchema,
     tagsSchema,
     tagTypeSchema,
diff --git a/src/lib/openapi/spec/index.ts b/src/lib/openapi/spec/index.ts
index 0677a1e2a1..167fe147c1 100644
--- a/src/lib/openapi/spec/index.ts
+++ b/src/lib/openapi/spec/index.ts
@@ -129,3 +129,4 @@ export * from './project-overview-schema';
 export * from './import-toggles-validate-item-schema';
 export * from './import-toggles-validate-schema';
 export * from './import-toggles-schema';
+export * from './tags-bulk-add-schema';
diff --git a/src/lib/openapi/spec/tags-bulk-add-schema.test.ts b/src/lib/openapi/spec/tags-bulk-add-schema.test.ts
new file mode 100644
index 0000000000..ecf8d4c020
--- /dev/null
+++ b/src/lib/openapi/spec/tags-bulk-add-schema.test.ts
@@ -0,0 +1,16 @@
+import { validateSchema } from '../validate';
+import { TagsBulkAddSchema } from './tags-bulk-add-schema';
+
+test('tagsBulkAddSchema', () => {
+    const data: TagsBulkAddSchema = {
+        features: ['my-feature'],
+        tag: {
+            type: 'simple',
+            value: 'besttag',
+        },
+    };
+
+    expect(
+        validateSchema('#/components/schemas/tagsBulkAddSchema', data),
+    ).toBeUndefined();
+});
diff --git a/src/lib/openapi/spec/tags-bulk-add-schema.ts b/src/lib/openapi/spec/tags-bulk-add-schema.ts
new file mode 100644
index 0000000000..224c58941d
--- /dev/null
+++ b/src/lib/openapi/spec/tags-bulk-add-schema.ts
@@ -0,0 +1,28 @@
+import { FromSchema } from 'json-schema-to-ts';
+import { tagSchema } from './tag-schema';
+
+export const tagsBulkAddSchema = {
+    $id: '#/components/schemas/tagsBulkAddSchema',
+    type: 'object',
+    additionalProperties: false,
+    required: ['features', 'tag'],
+    properties: {
+        features: {
+            type: 'array',
+            items: {
+                type: 'string',
+                minLength: 1,
+            },
+        },
+        tag: {
+            $ref: '#/components/schemas/tagSchema',
+        },
+    },
+    components: {
+        schemas: {
+            tagSchema,
+        },
+    },
+} as const;
+
+export type TagsBulkAddSchema = FromSchema<typeof tagsBulkAddSchema>;
diff --git a/src/lib/routes/admin-api/project/index.ts b/src/lib/routes/admin-api/project/index.ts
index c9f0c8d830..94feee05b4 100644
--- a/src/lib/routes/admin-api/project/index.ts
+++ b/src/lib/routes/admin-api/project/index.ts
@@ -2,7 +2,7 @@ import { Response } from 'express';
 import Controller from '../../controller';
 import { IUnleashConfig } from '../../../types/option';
 import { IUnleashServices } from '../../../types/services';
-import ProjectFeaturesController from './features';
+import ProjectFeaturesController from './project-features';
 import EnvironmentsController from './environments';
 import ProjectHealthReport from './health-report';
 import ProjectService from '../../../services/project-service';
diff --git a/src/lib/routes/admin-api/project/features.ts b/src/lib/routes/admin-api/project/project-features.ts
similarity index 100%
rename from src/lib/routes/admin-api/project/features.ts
rename to src/lib/routes/admin-api/project/project-features.ts
diff --git a/src/lib/routes/admin-api/tag.ts b/src/lib/routes/admin-api/tag.ts
index f15ffcc6e7..de946c0bbf 100644
--- a/src/lib/routes/admin-api/tag.ts
+++ b/src/lib/routes/admin-api/tag.ts
@@ -22,6 +22,8 @@ import {
     TagWithVersionSchema,
 } from '../../openapi/spec/tag-with-version-schema';
 import { emptyResponse } from '../../openapi/util/standard-responses';
+import FeatureTagService from 'lib/services/feature-tag-service';
+import { TagsBulkAddSchema } from '../../openapi/spec/tags-bulk-add-schema';
 
 const version = 1;
 
@@ -30,6 +32,8 @@ class TagController extends Controller {
 
     private tagService: TagService;
 
+    private featureTagService: FeatureTagService;
+
     private openApiService: OpenApiService;
 
     constructor(
@@ -37,11 +41,16 @@ class TagController extends Controller {
         {
             tagService,
             openApiService,
-        }: Pick<IUnleashServices, 'tagService' | 'openApiService'>,
+            featureTagService,
+        }: Pick<
+            IUnleashServices,
+            'tagService' | 'openApiService' | 'featureTagService'
+        >,
     ) {
         super(config);
         this.tagService = tagService;
         this.openApiService = openApiService;
+        this.featureTagService = featureTagService;
         this.logger = config.getLogger('/admin-api/tag.js');
 
         this.route({
@@ -75,6 +84,22 @@ class TagController extends Controller {
                 }),
             ],
         });
+        this.route({
+            method: 'post',
+            path: '/features',
+            handler: this.addTagToFeatures,
+            permission: UPDATE_FEATURE,
+            middleware: [
+                openApiService.validPath({
+                    tags: ['Tags'],
+                    operationId: 'addTagToFeatures',
+                    requestBody: createRequestSchema('tagsBulkAddSchema'),
+                    responses: {
+                        201: resourceCreatedResponseSchema('tagSchema'),
+                    },
+                }),
+            ],
+        });
         this.route({
             method: 'get',
             path: '/:type',
@@ -181,5 +206,19 @@ class TagController extends Controller {
         await this.tagService.deleteTag({ type, value }, userName);
         res.status(200).end();
     }
+
+    async addTagToFeatures(
+        req: IAuthRequest<void, void, TagsBulkAddSchema>,
+        res: Response<TagSchema>,
+    ): Promise<void> {
+        const { features, tag } = req.body;
+        const userName = extractUsername(req);
+        const addedTag = await this.featureTagService.addTags(
+            features,
+            tag,
+            userName,
+        );
+        res.status(201).json(addedTag);
+    }
 }
 export default TagController;
diff --git a/src/lib/services/feature-tag-service.ts b/src/lib/services/feature-tag-service.ts
index 2a67dd3431..20f831f4aa 100644
--- a/src/lib/services/feature-tag-service.ts
+++ b/src/lib/services/feature-tag-service.ts
@@ -64,6 +64,32 @@ class FeatureTagService {
         return validatedTag;
     }
 
+    async addTags(
+        featureNames: string[],
+        tag: ITag,
+        userName: string,
+    ): Promise<ITag> {
+        const featureToggles = await this.featureToggleStore.getAllByNames(
+            featureNames,
+        );
+        const validatedTag = await tagSchema.validateAsync(tag);
+        await this.createTagIfNeeded(validatedTag, userName);
+        await this.featureTagStore.tagFeatures(featureNames, validatedTag);
+
+        await Promise.all(
+            featureToggles.map((featureToggle) =>
+                this.eventStore.store({
+                    type: FEATURE_TAGGED,
+                    createdBy: userName,
+                    featureName: featureToggle.name,
+                    project: featureToggle.project,
+                    data: validatedTag,
+                }),
+            ),
+        );
+        return validatedTag;
+    }
+
     async createTagIfNeeded(tag: ITag, userName: string): Promise<void> {
         try {
             await this.tagStore.getTag(tag.type, tag.value);
diff --git a/src/lib/services/feature-toggle-service.ts b/src/lib/services/feature-toggle-service.ts
index 9813c797b4..19ab473746 100644
--- a/src/lib/services/feature-toggle-service.ts
+++ b/src/lib/services/feature-toggle-service.ts
@@ -81,7 +81,7 @@ import {
     SKIP_CHANGE_REQUEST,
 } from '../types/permissions';
 import NoAccessError from '../error/no-access-error';
-import { IFeatureProjectUserParams } from '../routes/admin-api/project/features';
+import { IFeatureProjectUserParams } from '../routes/admin-api/project/project-features';
 
 interface IFeatureContext {
     featureName: string;
diff --git a/src/lib/types/stores/feature-strategies-store.ts b/src/lib/types/stores/feature-strategies-store.ts
index a5aae8aa27..975fdb8df2 100644
--- a/src/lib/types/stores/feature-strategies-store.ts
+++ b/src/lib/types/stores/feature-strategies-store.ts
@@ -6,7 +6,7 @@ import {
     IVariant,
 } from '../model';
 import { Store } from './store';
-import { IFeatureProjectUserParams } from '../../routes/admin-api/project/features';
+import { IFeatureProjectUserParams } from '../../routes/admin-api/project/project-features';
 
 export interface FeatureConfigurationClient {
     name: string;
diff --git a/src/lib/types/stores/feature-tag-store.ts b/src/lib/types/stores/feature-tag-store.ts
index e4dd71e4ce..1bbd7f2a46 100644
--- a/src/lib/types/stores/feature-tag-store.ts
+++ b/src/lib/types/stores/feature-tag-store.ts
@@ -15,6 +15,7 @@ export interface IFeatureTagStore extends Store<IFeatureTag, IFeatureTag> {
     getAllTagsForFeature(featureName: string): Promise<ITag[]>;
     getAllByFeatures(features: string[]): Promise<IFeatureTag[]>;
     tagFeature(featureName: string, tag: ITag): Promise<ITag>;
+    tagFeatures(featureNames: string[], tag: ITag): Promise<ITag>;
     importFeatureTags(featureTags: IFeatureTag[]): Promise<IFeatureAndTag[]>;
     untagFeature(featureName: string, tag: ITag): Promise<void>;
 }
diff --git a/src/test/e2e/api/admin/tags.e2e.test.ts b/src/test/e2e/api/admin/tags.e2e.test.ts
index 272ef01be0..c62cc2adb0 100644
--- a/src/test/e2e/api/admin/tags.e2e.test.ts
+++ b/src/test/e2e/api/admin/tags.e2e.test.ts
@@ -108,3 +108,39 @@ test('Can delete a tag', async () => {
             ).toBe(-1);
         });
 });
+
+test('Can tag features', async () => {
+    const featureName = 'test.feature';
+    const featureName2 = 'test.feature2';
+    const tag = {
+        value: 'TeamRed',
+        type: 'simple',
+    };
+    await app.request.post('/api/admin/features').send({
+        name: featureName,
+        type: 'killswitch',
+        enabled: true,
+        strategies: [{ name: 'default' }],
+    });
+    await app.request.post('/api/admin/features').send({
+        name: featureName2,
+        type: 'killswitch',
+        enabled: true,
+        strategies: [{ name: 'default' }],
+    });
+
+    await app.request.post('/api/admin/tags/features').send({
+        features: [featureName, featureName2],
+        tag: tag,
+    });
+    const res = await app.request.get(
+        `/api/admin/features/${featureName}/tags`,
+    );
+
+    const res2 = await app.request.get(
+        `/api/admin/features/${featureName2}/tags`,
+    );
+
+    expect(res.body).toMatchObject({ tags: [tag] });
+    expect(res2.body).toMatchObject({ tags: [tag] });
+});
diff --git a/src/test/e2e/api/openapi/__snapshots__/openapi.e2e.test.ts.snap b/src/test/e2e/api/openapi/__snapshots__/openapi.e2e.test.ts.snap
index 69ac9c9268..fa9302f9c9 100644
--- a/src/test/e2e/api/openapi/__snapshots__/openapi.e2e.test.ts.snap
+++ b/src/test/e2e/api/openapi/__snapshots__/openapi.e2e.test.ts.snap
@@ -3642,6 +3642,26 @@ Stats are divided into current and previous **windows**.
         ],
         "type": "object",
       },
+      "tagsBulkAddSchema": {
+        "additionalProperties": false,
+        "properties": {
+          "features": {
+            "items": {
+              "minLength": 1,
+              "type": "string",
+            },
+            "type": "array",
+          },
+          "tag": {
+            "$ref": "#/components/schemas/tagSchema",
+          },
+        },
+        "required": [
+          "features",
+          "tag",
+        ],
+        "type": "object",
+      },
       "tagsSchema": {
         "additionalProperties": false,
         "properties": {
@@ -7939,6 +7959,46 @@ If the provided project does not exist, the list of events will be empty.",
         ],
       },
     },
+    "/api/admin/tags/features": {
+      "post": {
+        "operationId": "addTagToFeatures",
+        "requestBody": {
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/tagsBulkAddSchema",
+              },
+            },
+          },
+          "description": "tagsBulkAddSchema",
+          "required": true,
+        },
+        "responses": {
+          "201": {
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/tagSchema",
+                },
+              },
+            },
+            "description": "The resource was successfully created.",
+            "headers": {
+              "location": {
+                "description": "The location of the newly created resource.",
+                "schema": {
+                  "format": "uri",
+                  "type": "string",
+                },
+              },
+            },
+          },
+        },
+        "tags": [
+          "Tags",
+        ],
+      },
+    },
     "/api/admin/tags/{type}": {
       "get": {
         "operationId": "getTagsByType",
diff --git a/src/test/fixtures/fake-feature-strategies-store.ts b/src/test/fixtures/fake-feature-strategies-store.ts
index da16a6527c..b09cf6ead6 100644
--- a/src/test/fixtures/fake-feature-strategies-store.ts
+++ b/src/test/fixtures/fake-feature-strategies-store.ts
@@ -9,7 +9,7 @@ import {
 } from '../../lib/types/model';
 import NotFoundError from '../../lib/error/notfound-error';
 import { IFeatureStrategiesStore } from '../../lib/types/stores/feature-strategies-store';
-import { IFeatureProjectUserParams } from '../../lib/routes/admin-api/project/features';
+import { IFeatureProjectUserParams } from '../../lib/routes/admin-api/project/project-features';
 
 interface ProjectEnvironment {
     projectName: string;
diff --git a/src/test/fixtures/fake-feature-tag-store.ts b/src/test/fixtures/fake-feature-tag-store.ts
index 629a58f802..56acbb97cf 100644
--- a/src/test/fixtures/fake-feature-tag-store.ts
+++ b/src/test/fixtures/fake-feature-tag-store.ts
@@ -91,6 +91,16 @@ export default class FakeFeatureTagStore implements IFeatureTagStore {
             ),
         );
     }
+
+    async tagFeatures(featureNames: string[], tag: ITag): Promise<ITag> {
+        const featureTags = featureNames.map((featureName) => ({
+            featureName,
+            tagType: tag.type,
+            tagValue: tag.value,
+        }));
+        this.featureTags.push(...featureTags);
+        return Promise.resolve(tag);
+    }
 }
 
 module.exports = FakeFeatureTagStore;