diff --git a/ghost/core/core/server/api/endpoints/utils/serializers/output/pages.js b/ghost/core/core/server/api/endpoints/utils/serializers/output/pages.js
index c131e88313..06fac8a561 100644
--- a/ghost/core/core/server/api/endpoints/utils/serializers/output/pages.js
+++ b/ghost/core/core/server/api/endpoints/utils/serializers/output/pages.js
@@ -52,6 +52,16 @@ module.exports = {
     },
 
     bulkDestroy(bulkActionResult, _apiConfig, frame) {
-        frame.response = bulkActionResult;
+        frame.response = {
+            bulk: {
+                meta: {
+                    stats: {
+                        successful: bulkActionResult.successful,
+                        unsuccessful: bulkActionResult.unsuccessful
+                    },
+                    errors: bulkActionResult.errors
+                }
+            }
+        };
     }
 };
diff --git a/ghost/core/core/server/api/endpoints/utils/serializers/output/posts.js b/ghost/core/core/server/api/endpoints/utils/serializers/output/posts.js
index 7129b16ffe..9c49f4ead3 100644
--- a/ghost/core/core/server/api/endpoints/utils/serializers/output/posts.js
+++ b/ghost/core/core/server/api/endpoints/utils/serializers/output/posts.js
@@ -56,6 +56,16 @@ module.exports = {
     },
 
     bulkDestroy(bulkActionResult, _apiConfig, frame) {
-        frame.response = bulkActionResult;
+        frame.response = {
+            bulk: {
+                meta: {
+                    stats: {
+                        successful: bulkActionResult.successful,
+                        unsuccessful: bulkActionResult.unsuccessful
+                    },
+                    errors: bulkActionResult.errors
+                }
+            }
+        };
     }
 };
diff --git a/ghost/core/test/e2e-api/admin/__snapshots__/posts-bulk.test.js.snap b/ghost/core/test/e2e-api/admin/__snapshots__/posts-bulk.test.js.snap
new file mode 100644
index 0000000000..d55d41abf1
--- /dev/null
+++ b/ghost/core/test/e2e-api/admin/__snapshots__/posts-bulk.test.js.snap
@@ -0,0 +1,115 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Posts Bulk API Delete Can delete all posts 1: [body] 1`] = `
+Object {
+  "bulk": Object {
+    "meta": Object {
+      "errors": Array [],
+      "stats": Object {
+        "successful": 2,
+        "unsuccessful": 0,
+      },
+    },
+  },
+}
+`;
+
+exports[`Posts Bulk API Delete Can delete posts that match a tag 1: [body] 1`] = `
+Object {
+  "bulk": Object {
+    "meta": Object {
+      "errors": Array [],
+      "stats": Object {
+        "successful": 11,
+        "unsuccessful": 0,
+      },
+    },
+  },
+}
+`;
+
+exports[`Posts Bulk API Edit Can add a single tag to posts 1: [body] 1`] = `
+Object {
+  "bulk": Object {
+    "meta": Object {
+      "stats": Object {
+        "successful": 11,
+        "unsuccessful": 0,
+      },
+    },
+  },
+}
+`;
+
+exports[`Posts Bulk API Edit Can add multiple tags to posts and create new tags 1: [body] 1`] = `
+Object {
+  "bulk": Object {
+    "meta": Object {
+      "stats": Object {
+        "successful": 1,
+        "unsuccessful": 0,
+      },
+    },
+  },
+}
+`;
+
+exports[`Posts Bulk API Edit Can change access of posts 1: [body] 1`] = `
+Object {
+  "bulk": Object {
+    "meta": Object {
+      "errors": Array [],
+      "stats": Object {
+        "successful": 13,
+        "unsuccessful": 0,
+      },
+      "unsuccessfulData": Array [],
+    },
+  },
+}
+`;
+
+exports[`Posts Bulk API Edit Can change access of posts to tiers 1: [body] 1`] = `
+Object {
+  "bulk": Object {
+    "meta": Object {
+      "errors": Array [],
+      "stats": Object {
+        "successful": 13,
+        "unsuccessful": 0,
+      },
+      "unsuccessfulData": Array [],
+    },
+  },
+}
+`;
+
+exports[`Posts Bulk API Edit Can feature multiple posts 1: [body] 1`] = `
+Object {
+  "bulk": Object {
+    "meta": Object {
+      "errors": Array [],
+      "stats": Object {
+        "successful": 13,
+        "unsuccessful": 0,
+      },
+      "unsuccessfulData": Array [],
+    },
+  },
+}
+`;
+
+exports[`Posts Bulk API Edit Can unfeature multiple posts 1: [body] 1`] = `
+Object {
+  "bulk": Object {
+    "meta": Object {
+      "errors": Array [],
+      "stats": Object {
+        "successful": 13,
+        "unsuccessful": 0,
+      },
+      "unsuccessfulData": Array [],
+    },
+  },
+}
+`;
diff --git a/ghost/core/test/e2e-api/admin/posts-bulk.test.js b/ghost/core/test/e2e-api/admin/posts-bulk.test.js
new file mode 100644
index 0000000000..7e5dd9a6bc
--- /dev/null
+++ b/ghost/core/test/e2e-api/admin/posts-bulk.test.js
@@ -0,0 +1,304 @@
+const {agentProvider, fixtureManager, mockManager} = require('../../utils/e2e-framework');
+const models = require('../../../core/server/models');
+const assert = require('assert');
+
+describe('Posts Bulk API', function () {
+    let agent;
+
+    before(async function () {
+        agent = await agentProvider.getAdminAPIAgent();
+
+        // Note that we generate lots of fixtures here to test the bulk deletion correctly
+        await fixtureManager.init('posts', 'newsletters', 'members:newsletters', 'emails', 'redirects', 'clicks', 'comments', 'feedback', 'links', 'mentions');
+        await agent.loginAsOwner();
+    });
+
+    afterEach(function () {
+        mockManager.restore();
+    });
+
+    describe('Edit', function () {
+        it('Can feature multiple posts', async function () {
+            const filter = 'status:[published,draft,scheduled,sent]';
+
+            // Check all the posts that should be affected
+            const changedPosts = await models.Post.findPage({filter, limit: 1, status: 'all'});
+            const amount = changedPosts.meta.pagination.total;
+
+            assert(amount > 0, 'Expect at least one post to be affected for this test to work');
+
+            const response = await agent
+                .put('/posts/bulk/?filter=' + encodeURIComponent(filter))
+                .body({
+                    bulk: {
+                        action: 'feature'
+                    }
+                })
+                .expectStatus(200)
+                .matchBodySnapshot();
+
+            assert.equal(response.body.bulk.meta.stats.successful, amount, `Expect all matching posts (${amount}) to be changed`);
+
+            // Fetch all posts and check if they are featured
+            const posts = await models.Post.findAll({filter, status: 'all'});
+            assert.equal(posts.length, amount, `Expect all matching posts (${amount}) to be changed`);
+
+            for (const post of posts) {
+                assert(post.get('featured') === true, `Expect post ${post.id} to be featured`);
+            }
+        });
+
+        it('Can unfeature multiple posts', async function () {
+            const filter = 'status:[published,draft,scheduled,sent]';
+
+            // Check all the posts that should be affected
+            const changedPosts = await models.Post.findPage({filter, limit: 1, status: 'all'});
+            const amount = changedPosts.meta.pagination.total;
+
+            assert(amount > 0, 'Expect at least one post to be affected for this test to work');
+
+            const response = await agent
+                .put('/posts/bulk/?filter=' + encodeURIComponent(filter))
+                .body({
+                    bulk: {
+                        action: 'unfeature'
+                    }
+                })
+                .expectStatus(200)
+                .matchBodySnapshot();
+
+            assert.equal(response.body.bulk.meta.stats.successful, amount, `Expect all matching posts (${amount}) to be changed`);
+
+            // Fetch all posts and check if they are featured
+            const posts = await models.Post.findAll({filter, status: 'all'});
+            assert.equal(posts.length, amount, `Expect all matching posts (${amount}) to be changed`);
+
+            for (const post of posts) {
+                assert(post.get('featured') === false, `Expect post ${post.id} to be unfeatured`);
+            }
+        });
+
+        it('Can change access of posts', async function () {
+            const filter = 'status:[published,draft,scheduled,sent]';
+
+            // Check all the posts that should be affected
+            const changedPosts = await models.Post.findPage({filter, limit: 1, status: 'all'});
+            const amount = changedPosts.meta.pagination.total;
+
+            assert(amount > 0, 'Expect at least one post to be affected for this test to work');
+
+            const response = await agent
+                .put('/posts/bulk/?filter=' + encodeURIComponent(filter))
+                .body({
+                    bulk: {
+                        action: 'access',
+                        meta: {
+                            visibility: 'paid'
+                        }
+                    }
+                })
+                .expectStatus(200)
+                .matchBodySnapshot();
+
+            assert.equal(response.body.bulk.meta.stats.successful, amount, `Expect all matching posts (${amount}) to be changed`);
+
+            // Fetch all posts and check if they have the correct access
+            const posts = await models.Post.findAll({filter, status: 'all'});
+            assert.equal(posts.length, amount, `Expect all matching posts (${amount}) to be changed`);
+
+            for (const post of posts) {
+                assert(post.get('visibility') === 'paid', `Expect post ${post.id} to have access 'paid'`);
+            }
+        });
+
+        it('Can change access of posts to tiers', async function () {
+            const filter = 'status:[published,draft,scheduled,sent]';
+
+            const products = await models.Product.findAll();
+
+            const tier1 = products.models[0];
+            const tier2 = products.models[1];
+
+            assert(tier1.id && tier2.id);
+
+            // Check all the posts that should be affected
+            const changedPosts = await models.Post.findPage({filter, limit: 1, status: 'all'});
+            const amount = changedPosts.meta.pagination.total;
+
+            assert(amount > 0, 'Expect at least one post to be affected for this test to work');
+
+            const response = await agent
+                .put('/posts/bulk/?filter=' + encodeURIComponent(filter))
+                .body({
+                    bulk: {
+                        action: 'access',
+                        meta: {
+                            visibility: 'tiers',
+                            tiers: [
+                                {
+                                    id: tier1.id
+                                },
+                                {
+                                    id: tier2.id
+                                }
+                            ]
+                        }
+                    }
+                })
+                .expectStatus(200)
+                .matchBodySnapshot();
+
+            assert.equal(response.body.bulk.meta.stats.successful, amount, `Expect all matching posts (${amount}) to be changed`);
+
+            // Fetch all posts and check if they have the correct access
+            const posts = await models.Post.findAll({filter, status: 'all', withRelated: ['tiers']});
+            assert.equal(posts.length, amount, `Expect all matching posts (${amount}) to be changed`);
+
+            for (const post of posts) {
+                assert(post.get('visibility') === 'tiers', `Expect post ${post.id} to have access 'tiers'`);
+                assert.equal(post.related('tiers').length, 2);
+            }
+        });
+
+        it('Can add a single tag to posts', async function () {
+            const filter = 'status:[published]';
+            const tag = await models.Tag.findOne({slug: fixtureManager.get('tags', 0).slug});
+            assert(tag);
+
+            // Check all the posts that should be affected
+            const changedPosts = await models.Post.findPage({filter, limit: 1, status: 'all'});
+            const amount = changedPosts.meta.pagination.total;
+
+            assert(amount > 0, 'Expect at least one post to be affected for this test to work');
+
+            const response = await agent
+                .put('/posts/bulk/?filter=' + encodeURIComponent(filter))
+                .body({
+                    bulk: {
+                        action: 'addTag',
+                        meta: {
+                            tags: [
+                                {
+                                    id: tag.id
+                                }
+                            ]
+                        }
+                    }
+                })
+                .expectStatus(200)
+                .matchBodySnapshot();
+
+            assert.equal(response.body.bulk.meta.stats.successful, amount, `Expect all matching posts (${amount}) to be changed, got ${response.body.bulk.meta.stats.successful} instead`);
+
+            // Fetch all posts and check if they have the tag
+            const posts = await models.Post.findAll({filter, status: 'all', withRelated: ['tags']});
+            assert.equal(posts.length, amount, `Expect all matching posts (${amount}) to be changed`);
+
+            for (const post of posts) {
+                const tags = post.related('tags');
+                // Check tag is in the list
+                assert(tags.find(t => t.id === tag.id), `Expect post ${post.id} to have tag ${tag.id}`);
+            }
+        });
+
+        it('Can add multiple tags to posts and create new tags', async function () {
+            const filter = 'status:[draft]';
+            const tag = await models.Tag.findOne({id: fixtureManager.get('tags', 1).id});
+            assert(tag);
+
+            const newTag = {
+                name: 'Just a random new tag'
+            };
+
+            // Check all the posts that should be affected
+            const changedPosts = await models.Post.findPage({filter, limit: 1, status: 'all'});
+            const amount = changedPosts.meta.pagination.total;
+
+            assert(amount > 0, 'Expect at least one post to be affected for this test to work');
+
+            const response = await agent
+                .put('/posts/bulk/?filter=' + encodeURIComponent(filter))
+                .body({
+                    bulk: {
+                        action: 'addTag',
+                        meta: {
+                            tags: [
+                                {
+                                    id: tag.id
+                                },
+                                {
+                                    name: newTag.name
+                                }
+                            ]
+                        }
+                    }
+                })
+                .expectStatus(200)
+                .matchBodySnapshot();
+
+            assert.equal(response.body.bulk.meta.stats.successful, amount, `Expect all matching posts (${amount}) to be changed, got ${response.body.bulk.meta.stats.successful} instead`);
+
+            // Check if the new tag was created
+            const newTags = await models.Tag.findAll({filter: `name:'${newTag.name}'`});
+            assert.equal(newTags.length, 1, `Expect tag to be created`);
+
+            const newTagModel = newTags.models[0];
+
+            // Fetch all posts and check if they have the tag
+            const posts = await models.Post.findAll({filter, status: 'all', withRelated: ['tags']});
+            assert.equal(posts.length, amount, `Expect all matching posts (${amount}) to be changed`);
+
+            for (const post of posts) {
+                const tags = post.related('tags');
+                // Check tag is in the list
+                assert(tags.find(t => t.id === tag.id), `Expect post ${post.id} to have tag ${tag.id}`);
+                assert(tags.find(t => t.id === newTagModel.id), `Expect post ${post.id} to have new tag ${newTagModel.id}`);
+            }
+        });
+    });
+
+    describe('Delete', function () {
+        it('Can delete posts that match a tag', async function () {
+            const tag = await models.Tag.findOne({id: fixtureManager.get('tags', 0).id});
+            const filter = 'tag:' + tag.get('slug');
+
+            // Check all the posts that should be affected
+            const changedPosts = await models.Post.findPage({filter, limit: 1, status: 'all'});
+            const amount = changedPosts.meta.pagination.total;
+
+            assert(amount > 0, 'Expect at least one post to be affected for this test to work');
+
+            const response = await agent
+                .delete('/posts/?filter=' + encodeURIComponent(filter))
+                .expectStatus(200)
+                .matchBodySnapshot();
+
+            assert.equal(response.body.bulk.meta.stats.successful, amount, `Expect all matching posts (${amount}) to be deleted, got ${response.body.bulk.meta.stats.successful} instead`);
+
+            // Check if all posts were deleted
+            const posts = await models.Post.findPage({filter, status: 'all'});
+            assert.equal(posts.meta.pagination.total, 0, `Expect all matching posts (${amount}) to be deleted`);
+        });
+
+        it('Can delete all posts', async function () {
+            const filter = 'status:[published,draft,scheduled,sent]';
+
+            // Check all the posts that should be affected
+            const changedPosts = await models.Post.findPage({filter, limit: 1, status: 'all'});
+            const amount = changedPosts.meta.pagination.total;
+
+            assert(amount > 0, 'Expect at least one post to be affected for this test to work');
+
+            const response = await agent
+                .delete('/posts/?filter=' + encodeURIComponent(filter))
+                .expectStatus(200)
+                .matchBodySnapshot();
+
+            assert.equal(response.body.bulk.meta.stats.successful, amount, `Expect all matching posts (${amount}) to be deleted, got ${response.body.bulk.meta.stats.successful} instead`);
+
+            // Check if all posts were deleted
+            const posts = await models.Post.findPage({filter, status: 'all'});
+            assert.equal(posts.meta.pagination.total, 0, `Expect all matching posts (${amount}) to be deleted`);
+        });
+    });
+});
diff --git a/ghost/posts-service/lib/PostsService.js b/ghost/posts-service/lib/PostsService.js
index ba02ef4aa4..4a2830494f 100644
--- a/ghost/posts-service/lib/PostsService.js
+++ b/ghost/posts-service/lib/PostsService.js
@@ -163,7 +163,10 @@ class PostsService {
 
         await options.transacting('posts_tags').insert(postTags);
 
-        return true;
+        return {
+            successful: postRows.length,
+            unsuccessful: 0
+        };
     }
 
     /**