diff --git a/app/Api/V1/Controllers/ObjectGroupController.php b/app/Api/V1/Controllers/ObjectGroupController.php
new file mode 100644
index 0000000000..a078c61e93
--- /dev/null
+++ b/app/Api/V1/Controllers/ObjectGroupController.php
@@ -0,0 +1,196 @@
+<?php
+/**
+ * GroupController.php
+ * Copyright (c) 2019 james@firefly-iii.org
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace FireflyIII\Api\V1\Controllers;
+
+use FireflyIII\Api\V1\Requests\ObjectGroupUpdateRequest;
+use FireflyIII\Models\Account;
+use FireflyIII\Models\ObjectGroup;
+use FireflyIII\Repositories\ObjectGroup\ObjectGroupRepositoryInterface;
+use FireflyIII\Transformers\ObjectGroupTransformer;
+use FireflyIII\Transformers\PiggyBankTransformer;
+use FireflyIII\User;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Illuminate\Pagination\LengthAwarePaginator;
+use League\Fractal\Pagination\IlluminatePaginatorAdapter;
+use League\Fractal\Resource\Collection as FractalCollection;
+use League\Fractal\Resource\Item;
+
+/**
+ * Class GroupController.
+ *
+ */
+class ObjectGroupController extends Controller
+{
+    private ObjectGroupRepositoryInterface $repository;
+
+    /**
+     * ObjectGroupController constructor.
+     *
+     * @codeCoverageIgnore
+     */
+    public function __construct()
+    {
+        parent::__construct();
+        $this->middleware(
+            function ($request, $next) {
+                /** @var User $user */
+                $user             = auth()->user();
+                $this->repository = app(ObjectGroupRepositoryInterface::class);
+                $this->repository->setUser($user);
+
+                return $next($request);
+            }
+        );
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     *
+     * @param ObjectGroup $objectGroup
+     *
+     * @codeCoverageIgnore
+     * @return JsonResponse
+     */
+    public function delete(ObjectGroup $objectGroup): JsonResponse
+    {
+        $this->repository->destroy($objectGroup);
+
+        return response()->json([], 204);
+    }
+
+    /**
+     * Display a listing of the resource.
+     *
+     * @param Request $request
+     *
+     * @codeCoverageIgnore
+     * @return JsonResponse
+     */
+    public function index(Request $request): JsonResponse
+    {
+        $manager = $this->getManager();
+
+        // types to get, page size:
+        $pageSize = (int) app('preferences')->getForUser(auth()->user(), 'listPageSize', 50)->data;
+
+        // get list of accounts. Count it and split it.
+        $collection   = $this->repository->get();
+        $count        = $collection->count();
+        $objectGroups = $collection->slice(($this->parameters->get('page') - 1) * $pageSize, $pageSize);
+
+        // make paginator:
+        $paginator = new LengthAwarePaginator($objectGroups, $count, $pageSize, $this->parameters->get('page'));
+        $paginator->setPath(route('api.v1.object-groups.index') . $this->buildParams());
+
+        /** @var ObjectGroupTransformer $transformer */
+        $transformer = app(ObjectGroupTransformer::class);
+        $transformer->setParameters($this->parameters);
+
+        $resource = new FractalCollection($objectGroups, $transformer, 'object_groups');
+        $resource->setPaginator(new IlluminatePaginatorAdapter($paginator));
+
+        return response()->json($manager->createData($resource)->toArray())->header('Content-Type', 'application/vnd.api+json');
+    }
+
+
+    /**
+     * List all piggies under the object group.
+     *
+     * @param ObjectGroup $objectGroup
+     *
+     * @return JsonResponse
+     * @codeCoverageIgnore
+     *
+     */
+    public function piggyBanks(ObjectGroup $objectGroup): JsonResponse
+    {
+        // create some objects:
+        $manager = $this->getManager();
+
+        // types to get, page size:
+        $pageSize = (int) app('preferences')->getForUser(auth()->user(), 'listPageSize', 50)->data;
+
+        // get list of piggy banks. Count it and split it.
+        $collection = $this->repository->getPiggyBanks($objectGroup);
+        $count      = $collection->count();
+        $piggyBanks = $collection->slice(($this->parameters->get('page') - 1) * $pageSize, $pageSize);
+
+        // make paginator:
+        $paginator = new LengthAwarePaginator($piggyBanks, $count, $pageSize, $this->parameters->get('page'));
+        $paginator->setPath(route('api.v1.object-groups.piggy_banks', [$objectGroup->id]) . $this->buildParams());
+
+        /** @var PiggyBankTransformer $transformer */
+        $transformer = app(PiggyBankTransformer::class);
+        $transformer->setParameters($this->parameters);
+
+        $resource = new FractalCollection($piggyBanks, $transformer, 'piggy_banks');
+        $resource->setPaginator(new IlluminatePaginatorAdapter($paginator));
+
+        return response()->json($manager->createData($resource)->toArray())->header('Content-Type', 'application/vnd.api+json');
+
+    }
+
+    /**
+     * Show single instance.
+     *
+     * @param ObjectGroup $objectGroup
+     *
+     * @return JsonResponse
+     */
+    public function show(ObjectGroup $objectGroup): JsonResponse
+    {
+        $manager = $this->getManager();
+
+        /** @var ObjectGroupTransformer $transformer */
+        $transformer = app(ObjectGroupTransformer::class);
+        $transformer->setParameters($this->parameters);
+        $resource = new Item($objectGroup, $transformer, 'object_groups');
+
+        return response()->json($manager->createData($resource)->toArray())->header('Content-Type', 'application/vnd.api+json');
+    }
+
+    /**
+     * Update object.
+     *
+     * @param ObjectGroupUpdateRequest $request
+     * @param Account                  $account
+     *
+     * @return JsonResponse
+     */
+    public function update(ObjectGroupUpdateRequest $request, ObjectGroup $objectGroup): JsonResponse
+    {
+        $data = $request->getUpdateData();
+        $this->repository->update($objectGroup, $data);
+        $this->repository->sort();
+        $manager = $this->getManager();
+
+        /** @var ObjectGroupTransformer $transformer */
+        $transformer = app(ObjectGroupTransformer::class);
+        $transformer->setParameters($this->parameters);
+        $resource = new Item($objectGroup, $transformer, 'object_groups');
+
+        return response()->json($manager->createData($resource)->toArray())->header('Content-Type', 'application/vnd.api+json');
+    }
+}
diff --git a/app/Api/V1/Requests/ObjectGroupUpdateRequest.php b/app/Api/V1/Requests/ObjectGroupUpdateRequest.php
new file mode 100644
index 0000000000..57cabc7fe8
--- /dev/null
+++ b/app/Api/V1/Requests/ObjectGroupUpdateRequest.php
@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * ObjectGroupUpdateRequest.php
+ * Copyright (c) 2019 james@firefly-iii.org
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace FireflyIII\Api\V1\Requests;
+
+/**
+ * Class AccountObjectGroupUpdateRequestUpdateRequest
+ *
+ * @codeCoverageIgnore
+ */
+class ObjectGroupUpdateRequest extends Request
+{
+
+    /**
+     * Authorize logged in users.
+     *
+     * @return bool
+     */
+    public function authorize(): bool
+    {
+        // Only allow authenticated users
+        return auth()->check();
+    }
+
+    /**
+     * @return array
+     */
+    public function getUpdateData(): array
+    {
+        return [
+            'title' => $this->string('title'),
+            'order' => $this->integer('order'),
+        ];
+    }
+
+    /**
+     * The rules that the incoming request must be matched against.
+     *
+     * @return array
+     */
+    public function rules(): array
+    {
+        $objectGroup = $this->route()->parameter('objectGroup');
+
+        return [
+            'title' => sprintf('min:1|uniqueObjectGroup:%d', $objectGroup->id),
+            'order' => 'numeric',
+        ];
+    }
+}
diff --git a/app/Models/ObjectGroup.php b/app/Models/ObjectGroup.php
index a00f35d020..953fafde0e 100644
--- a/app/Models/ObjectGroup.php
+++ b/app/Models/ObjectGroup.php
@@ -4,7 +4,9 @@ declare(strict_types=1);
 namespace FireflyIII\Models;
 
 
+use FireflyIII\User;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 
 /**
@@ -33,6 +35,19 @@ class ObjectGroup extends Model
 {
     protected $fillable = ['title', 'order', 'user_id'];
 
+    /**
+     * The attributes that should be casted to native types.
+     *
+     * @var array
+     */
+    protected $casts
+        = [
+            'created_at' => 'datetime',
+            'updated_at' => 'datetime',
+            'user_id'    => 'integer',
+            'deleted_at' => 'datetime',
+        ];
+
     /**
      * @return \Illuminate\Database\Eloquent\Relations\MorphToMany
      */
@@ -61,4 +76,13 @@ class ObjectGroup extends Model
         }
         throw new NotFoundHttpException;
     }
+
+    /**
+     * @return BelongsTo
+     * @codeCoverageIgnore
+     */
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
 }
diff --git a/app/Repositories/ObjectGroup/ObjectGroupRepository.php b/app/Repositories/ObjectGroup/ObjectGroupRepository.php
index be1eba5db9..b1beb1d4f8 100644
--- a/app/Repositories/ObjectGroup/ObjectGroupRepository.php
+++ b/app/Repositories/ObjectGroup/ObjectGroupRepository.php
@@ -107,6 +107,12 @@ class ObjectGroupRepository implements ObjectGroupRepositoryInterface
     public function update(ObjectGroup $objectGroup, array $data): ObjectGroup
     {
         $objectGroup->title = $data['title'];
+
+        if (isset($data['order'])) {
+            $order              = 0 === $data['order'] ? 1 : $data['order'];
+            $objectGroup->order = $order;
+        }
+
         $objectGroup->save();
 
         return $objectGroup;
@@ -128,4 +134,11 @@ class ObjectGroupRepository implements ObjectGroupRepositoryInterface
         $this->user = $user;
     }
 
+    /**
+     * @inheritDoc
+     */
+    public function getPiggyBanks(ObjectGroup $objectGroup): Collection
+    {
+        return $objectGroup->piggyBanks;
+    }
 }
diff --git a/app/Repositories/ObjectGroup/ObjectGroupRepositoryInterface.php b/app/Repositories/ObjectGroup/ObjectGroupRepositoryInterface.php
index b8f42b842b..4d190c007b 100644
--- a/app/Repositories/ObjectGroup/ObjectGroupRepositoryInterface.php
+++ b/app/Repositories/ObjectGroup/ObjectGroupRepositoryInterface.php
@@ -28,6 +28,13 @@ interface ObjectGroupRepositoryInterface
      */
     public function deleteEmpty(): void;
 
+    /**
+     * @param ObjectGroup $objectGroup
+     *
+     * @return Collection
+     */
+    public function getPiggyBanks(ObjectGroup $objectGroup): Collection;
+
     /**
      * Sort
      */
diff --git a/app/Transformers/ObjectGroupTransformer.php b/app/Transformers/ObjectGroupTransformer.php
new file mode 100644
index 0000000000..c2f50a4216
--- /dev/null
+++ b/app/Transformers/ObjectGroupTransformer.php
@@ -0,0 +1,81 @@
+<?php
+/**
+ * ObjectGroupTransformer.php
+ * Copyright (c) 2020 james@firefly-iii.org
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace FireflyIII\Transformers;
+
+
+use Carbon\Carbon;
+use FireflyIII\Models\Account;
+use FireflyIII\Models\ObjectGroup;
+use FireflyIII\Repositories\ObjectGroup\ObjectGroupRepositoryInterface;
+use Log;
+
+/**
+ * Class AccountTransformer
+ */
+class ObjectGroupTransformer extends AbstractTransformer
+{
+    protected ObjectGroupRepositoryInterface $repository;
+
+    /**
+     *
+     * AccountTransformer constructor.
+     *
+     * @codeCoverageIgnore
+     */
+    public function __construct()
+    {
+        if ('testing' === config('app.env')) {
+            Log::warning(sprintf('%s should not be instantiated in the TEST environment!', get_class($this)));
+        }
+
+        $this->repository = app(ObjectGroupRepositoryInterface::class);
+    }
+
+    /**
+     * Transform the account.
+     *
+     * @param ObjectGroup $objectGroup
+     *
+     * @return array
+     */
+    public function transform(ObjectGroup $objectGroup): array
+    {
+        $this->repository->setUser($objectGroup->user);
+
+        return [
+            'id'         => (int) $objectGroup->id,
+            'created_at' => $objectGroup->created_at->toAtomString(),
+            'updated_at' => $objectGroup->updated_at->toAtomString(),
+            'title'      => $objectGroup->title,
+            'order'      => $objectGroup->order,
+            'links'      => [
+                [
+                    'rel' => 'self',
+                    'uri' => '/groups/' . $objectGroup->id,
+                ],
+            ],
+        ];
+    }
+
+}
diff --git a/app/Transformers/PiggyBankTransformer.php b/app/Transformers/PiggyBankTransformer.php
index 97d9c38dc2..098a54d18a 100644
--- a/app/Transformers/PiggyBankTransformer.php
+++ b/app/Transformers/PiggyBankTransformer.php
@@ -85,7 +85,7 @@ class PiggyBankTransformer extends AbstractTransformer
         $notes = '' === $notes ? null : $notes;
 
         $objectGroupId    = null;
-        $objectGroupOrder = 0;
+        $objectGroupOrder = null;
         $objectGroupTitle = null;
         /** @var ObjectGroup $objectGroup */
         $objectGroup = $piggyBank->objectGroups->first();
diff --git a/config/firefly.php b/config/firefly.php
index 70bd0d3dea..b96dd479ea 100644
--- a/config/firefly.php
+++ b/config/firefly.php
@@ -144,7 +144,7 @@ return [
 
     'encryption'                   => null === env('USE_ENCRYPTION') || true === env('USE_ENCRYPTION'),
     'version'                 => '5.3.0',
-    'api_version'             => '1.1.0',
+    'api_version'             => '1.2.0',
     'db_version'              => 14,
     'maxUploadSize'           => 15242880,
     'send_error_message'      => env('SEND_ERROR_MESSAGE', true),
diff --git a/resources/lang/en_US/firefly.php b/resources/lang/en_US/firefly.php
index 235f54bd4c..1fb1b3eacf 100644
--- a/resources/lang/en_US/firefly.php
+++ b/resources/lang/en_US/firefly.php
@@ -1684,5 +1684,6 @@ return [
     'update_object_group'                => 'Update group',
     'updated_object_group'               => 'Succesfully updated group ":title"',
     'deleted_object_group'               => 'Succesfully deleted group ":title"',
+    'object_group'                       => 'Group',
 
 ];
diff --git a/resources/views/v1/piggy-banks/show.twig b/resources/views/v1/piggy-banks/show.twig
index 9988da9c50..2030114f22 100644
--- a/resources/views/v1/piggy-banks/show.twig
+++ b/resources/views/v1/piggy-banks/show.twig
@@ -36,6 +36,12 @@
                             <td style="width:40%;">{{ 'account'|_ }}</td>
                             <td><a href="{{ route('accounts.show', piggyBank.account_id) }}">{{ piggyBank.account.name }}</a></td>
                         </tr>
+                        {% if piggy.object_group_title %}
+                        <tr>
+                            <td style="width:40%;">{{ 'object_group'|_ }}</td>
+                            <td>{{ piggy.object_group_title }}</a></td>
+                        </tr>
+                        {% endif %}
                         <tr>
                             <td>{{ 'target_amount'|_ }}</td>
                             <td>
diff --git a/routes/api.php b/routes/api.php
index 66199d2501..2f5f5631de 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -54,6 +54,21 @@ Route::group(
     }
 );
 
+Route::group(
+    ['namespace' => 'FireflyIII\Api\V1\Controllers', 'prefix' => 'groups',
+     'as'        => 'api.v1.object-groups.',],
+    static function () {
+
+        // Accounts API routes:
+        Route::get('', ['uses' => 'ObjectGroupController@index', 'as' => 'index']);
+        Route::get('{objectGroup}', ['uses' => 'ObjectGroupController@show', 'as' => 'show']);
+        Route::put('{objectGroup}', ['uses' => 'ObjectGroupController@update', 'as' => 'update']);
+        Route::delete('{objectGroup}', ['uses' => 'ObjectGroupController@delete', 'as' => 'delete']);
+
+        Route::get('{objectGroup}/piggy_banks', ['uses' => 'ObjectGroupController@piggyBanks', 'as' => 'piggy_banks']);
+    }
+);
+
 Route::group(
     ['namespace' => 'FireflyIII\Api\V1\Controllers', 'prefix' => 'attachments',
      'as'        => 'api.v1.attachments.',],