diff --git a/.travis.yml b/.travis.yml
index f9c80429b4..c6f9b990ef 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 sudo: required
 language: bash
 env:
-  - VERSION=4.8.1.6
+  - VERSION=4.8.1.7
 
 dist: xenial
 
diff --git a/app/Api/V1/Controllers/Search/TransferController.php b/app/Api/V1/Controllers/Search/TransferController.php
new file mode 100644
index 0000000000..921c49bdf8
--- /dev/null
+++ b/app/Api/V1/Controllers/Search/TransferController.php
@@ -0,0 +1,116 @@
+<?php
+/**
+ * TransferController.php
+ * Copyright (c) 2019 thegrumpydictator@gmail.com
+ *
+ * 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/>.
+ */
+
+namespace FireflyIII\Api\V1\Controllers\Search;
+
+
+use FireflyIII\Api\V1\Controllers\Controller;
+use FireflyIII\Api\V1\Requests\Search\TransferRequest;
+use FireflyIII\Exceptions\FireflyException;
+use FireflyIII\Helpers\Collector\GroupCollectorInterface;
+use FireflyIII\Support\Search\TransferSearch;
+use FireflyIII\Transformers\TransactionGroupTransformer;
+use FireflyIII\User;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Illuminate\Http\Response;
+use League\Fractal\Pagination\IlluminatePaginatorAdapter;
+use League\Fractal\Resource\Collection as FractalCollection;
+
+/**
+ * Class TransferController
+ */
+class TransferController extends Controller
+{
+    /**
+     * @param Request $request
+     *
+     * @return JsonResponse|Response
+     * @throws FireflyException
+     */
+    public function search(TransferRequest $request)
+    {
+        // configure transfer search to search for a > b
+        $search = app(TransferSearch::class);
+        $search->setSource($request->get('source'));
+        $search->setDestination($request->get('destination'));
+        $search->setAmount($request->get('amount'));
+        $search->setDescription($request->get('description'));
+        $search->setDate($request->get('date'));
+
+        $left = $search->search();
+
+        // configure transfer search to search for b > a
+        $search->setSource($request->get('destination'));
+        $search->setDestination($request->get('source'));
+        $search->setAmount($request->get('amount'));
+        $search->setDescription($request->get('description'));
+        $search->setDate($request->get('date'));
+
+        $right = $search->search();
+
+        // add parameters to URL:
+        $this->parameters->set('source', $request->get('source'));
+        $this->parameters->set('destination', $request->get('destination'));
+        $this->parameters->set('amount', $request->get('amount'));
+        $this->parameters->set('description', $request->get('description'));
+        $this->parameters->set('date', $request->get('date'));
+
+        // get all journal ID's.
+        $total = $left->merge($right)->unique('id')->pluck('id')->toArray();
+        if (0 === count($total)) {
+            // forces search to be empty.
+            $total = [-1];
+        }
+
+        // collector to return results.
+        $pageSize = (int)app('preferences')->getForUser(auth()->user(), 'listPageSize', 50)->data;
+        $manager  = $this->getManager();
+        /** @var User $admin */
+        $admin = auth()->user();
+
+        // use new group collector:
+        /** @var GroupCollectorInterface $collector */
+        $collector = app(GroupCollectorInterface::class);
+        $collector
+            ->setUser($admin)
+            // all info needed for the API:
+            ->withAPIInformation()
+            // set page size:
+            ->setLimit($pageSize)
+            // set page to retrieve
+            ->setPage(1)
+            ->setJournalIds($total);
+
+        $paginator = $collector->getPaginatedGroups();
+        $paginator->setPath(route('api.v1.search.transfers') . $this->buildParams());
+        $transactions = $paginator->getCollection();
+
+        /** @var TransactionGroupTransformer $transformer */
+        $transformer = app(TransactionGroupTransformer::class);
+        $transformer->setParameters($this->parameters);
+
+        $resource = new FractalCollection($transactions, $transformer, 'transactions');
+        $resource->setPaginator(new IlluminatePaginatorAdapter($paginator));
+
+        return response()->json($manager->createData($resource)->toArray())->header('Content-Type', 'application/vnd.api+json');
+    }
+}
\ No newline at end of file
diff --git a/app/Api/V1/Controllers/TransactionController.php b/app/Api/V1/Controllers/TransactionController.php
index 545126cbdb..f948ad88bc 100644
--- a/app/Api/V1/Controllers/TransactionController.php
+++ b/app/Api/V1/Controllers/TransactionController.php
@@ -28,6 +28,7 @@ use FireflyIII\Api\V1\Requests\TransactionStoreRequest;
 use FireflyIII\Api\V1\Requests\TransactionUpdateRequest;
 use FireflyIII\Events\StoredTransactionGroup;
 use FireflyIII\Events\UpdatedTransactionGroup;
+use FireflyIII\Exceptions\DuplicateTransactionException;
 use FireflyIII\Helpers\Collector\GroupCollectorInterface;
 use FireflyIII\Models\TransactionGroup;
 use FireflyIII\Models\TransactionJournal;
@@ -279,7 +280,20 @@ class TransactionController extends Controller
         Log::channel('audit')
            ->info('Store new transaction over API.', $data);
 
-        $transactionGroup = $this->groupRepository->store($data);
+        try {
+            $transactionGroup = $this->groupRepository->store($data);
+        } catch (DuplicateTransactionException $e) {
+            // return bad validation message.
+            // TODO use Laravel's internal validation thing to do this.
+            $response = [
+                'message' => 'The given data was invalid.',
+                'errors'  => [
+                    'transactions.0.description' => [$e->getMessage()],
+                ],
+            ];
+
+            return response()->json($response, 422);
+        }
 
         event(new StoredTransactionGroup($transactionGroup));
 
diff --git a/app/Api/V1/Requests/Search/TransferRequest.php b/app/Api/V1/Requests/Search/TransferRequest.php
new file mode 100644
index 0000000000..66d970bfd4
--- /dev/null
+++ b/app/Api/V1/Requests/Search/TransferRequest.php
@@ -0,0 +1,58 @@
+<?php
+/**
+ * TransferRequest.php
+ * Copyright (c) 2019 thegrumpydictator@gmail.com
+ *
+ * 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/>.
+ */
+
+namespace FireflyIII\Api\V1\Requests\Search;
+
+
+use FireflyIII\Api\V1\Requests\Request;
+use FireflyIII\Rules\IsTransferAccount;
+
+/**
+ * Class TransferRequest
+ */
+class TransferRequest extends Request
+{
+    /**
+     * Authorize logged in users.
+     *
+     * @return bool
+     */
+    public function authorize(): bool
+    {
+        // Only allow authenticated users
+        return auth()->check();
+    }
+
+    /**
+     * @return array
+     */
+    public function rules(): array
+    {
+        return [
+            'source'      => ['required', new IsTransferAccount],
+            'destination' => ['required', new IsTransferAccount],
+            'amount'      => 'required|numeric|more:0',
+            'description' => 'required|min:1',
+            'date'        => 'required|date',
+        ];
+    }
+
+}
\ No newline at end of file
diff --git a/app/Api/V1/Requests/TransactionStoreRequest.php b/app/Api/V1/Requests/TransactionStoreRequest.php
index 795eef6fca..07f5e77997 100644
--- a/app/Api/V1/Requests/TransactionStoreRequest.php
+++ b/app/Api/V1/Requests/TransactionStoreRequest.php
@@ -58,8 +58,9 @@ class TransactionStoreRequest extends Request
     public function getAll(): array
     {
         $data = [
-            'group_title'  => $this->string('group_title'),
-            'transactions' => $this->getTransactionData(),
+            'group_title'             => $this->string('group_title'),
+            'error_if_duplicate_hash' => $this->boolean('error_if_duplicate_hash'),
+            'transactions'            => $this->getTransactionData(),
         ];
 
         return $data;
@@ -75,6 +76,7 @@ class TransactionStoreRequest extends Request
         $rules = [
             // basic fields for group:
             'group_title'                          => 'between:1,1000|nullable',
+            'error_if_duplicate_hash'              => [new IsBoolean],
 
             // transaction rules (in array for splits):
             'transactions.*.type'                  => 'required|in:withdrawal,deposit,transfer,opening-balance,reconciliation',
diff --git a/app/Exceptions/DuplicateTransactionException.php b/app/Exceptions/DuplicateTransactionException.php
new file mode 100644
index 0000000000..8d2d62ddb1
--- /dev/null
+++ b/app/Exceptions/DuplicateTransactionException.php
@@ -0,0 +1,31 @@
+<?php
+/**
+ * DuplicateTransactionException.php
+ * Copyright (c) 2019 thegrumpydictator@gmail.com
+ *
+ * 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/>.
+ */
+
+namespace FireflyIII\Exceptions;
+use Exception;
+
+/**
+ * Class DuplicateTransactionException
+ */
+class DuplicateTransactionException extends Exception
+{
+
+}
\ No newline at end of file
diff --git a/app/Factory/TransactionGroupFactory.php b/app/Factory/TransactionGroupFactory.php
index 91e7ee21fd..bb69039030 100644
--- a/app/Factory/TransactionGroupFactory.php
+++ b/app/Factory/TransactionGroupFactory.php
@@ -23,6 +23,7 @@ declare(strict_types=1);
 
 namespace FireflyIII\Factory;
 
+use FireflyIII\Exceptions\DuplicateTransactionException;
 use FireflyIII\Models\TransactionGroup;
 use FireflyIII\User;
 
@@ -52,10 +53,13 @@ class TransactionGroupFactory
      * @param array $data
      *
      * @return TransactionGroup
+     * @throws DuplicateTransactionException
      */
     public function create(array $data): TransactionGroup
     {
         $this->journalFactory->setUser($this->user);
+        $this->journalFactory->setErrorOnHash($data['error_if_duplicate_hash']);
+
         $collection = $this->journalFactory->create($data);
         $title      = $data['group_title'] ?? null;
         $title      = '' === $title ? null : $title;
diff --git a/app/Factory/TransactionJournalFactory.php b/app/Factory/TransactionJournalFactory.php
index c7e79306d4..4bd58b8dcf 100644
--- a/app/Factory/TransactionJournalFactory.php
+++ b/app/Factory/TransactionJournalFactory.php
@@ -26,10 +26,12 @@ namespace FireflyIII\Factory;
 
 use Carbon\Carbon;
 use Exception;
+use FireflyIII\Exceptions\DuplicateTransactionException;
 use FireflyIII\Exceptions\FireflyException;
 use FireflyIII\Models\Account;
 use FireflyIII\Models\TransactionCurrency;
 use FireflyIII\Models\TransactionJournal;
+use FireflyIII\Models\TransactionJournalMeta;
 use FireflyIII\Models\TransactionType;
 use FireflyIII\Repositories\Account\AccountRepositoryInterface;
 use FireflyIII\Repositories\Bill\BillRepositoryInterface;
@@ -72,6 +74,8 @@ class TransactionJournalFactory
     private $typeRepository;
     /** @var User The user */
     private $user;
+    /** @var bool */
+    private $errorOnHash;
 
     /**
      * Constructor.
@@ -81,7 +85,8 @@ class TransactionJournalFactory
      */
     public function __construct()
     {
-        $this->fields = [
+        $this->errorOnHash = false;
+        $this->fields      = [
             // sepa
             'sepa_cc', 'sepa_ct_op', 'sepa_ct_id',
             'sepa_db', 'sepa_country', 'sepa_ep',
@@ -119,6 +124,7 @@ class TransactionJournalFactory
      * @param array $data
      *
      * @return Collection
+     * @throws DuplicateTransactionException
      */
     public function create(array $data): Collection
     {
@@ -193,11 +199,15 @@ class TransactionJournalFactory
      * @param NullArrayObject $row
      *
      * @return TransactionJournal|null
+     * @throws Exception
+     * @throws DuplicateTransactionException
      */
     private function createJournal(NullArrayObject $row): ?TransactionJournal
     {
         $row['import_hash_v2'] = $this->hashArray($row);
 
+        $this->errorIfDuplicate($row['import_hash_v2']);
+
         /** Some basic fields */
         $type            = $this->typeRepository->findTransactionType(null, $row['type']);
         $carbon          = $row['date'] ?? new Carbon;
@@ -376,6 +386,30 @@ class TransactionJournalFactory
         return $journal;
     }
 
+    /**
+     * If this transaction already exists, throw an error.
+     *
+     * @param string $hash
+     *
+     * @throws DuplicateTransactionException
+     */
+    private function errorIfDuplicate(string $hash): void
+    {
+        if (false === $this->errorOnHash) {
+            return;
+        }
+        $result = null;
+        if ($this->errorOnHash) {
+            /** @var TransactionJournalMeta $result */
+            $result = TransactionJournalMeta::where('data', json_encode($hash, JSON_THROW_ON_ERROR))
+                                            ->with(['transactionJournal', 'transactionJournal.transactionGroup'])
+                                            ->first();
+        }
+        if (null !== $result) {
+            throw new DuplicateTransactionException(sprintf('Duplicate of transaction #%d.', $result->transactionJournal->transaction_group_id));
+        }
+    }
+
     /**
      * @param TransactionCurrency|null $currency
      * @param Account                  $account
@@ -485,4 +519,14 @@ class TransactionJournalFactory
             throw new FireflyException(sprintf('Destination: %s', $this->accountValidator->destError)); // @codeCoverageIgnore
         }
     }
+
+    /**
+     * @param bool $errorOnHash
+     */
+    public function setErrorOnHash(bool $errorOnHash): void
+    {
+        $this->errorOnHash = $errorOnHash;
+    }
+
+
 }
diff --git a/app/Http/Controllers/Transaction/CreateController.php b/app/Http/Controllers/Transaction/CreateController.php
index 9276fe59e1..13f4e2782b 100644
--- a/app/Http/Controllers/Transaction/CreateController.php
+++ b/app/Http/Controllers/Transaction/CreateController.php
@@ -78,7 +78,7 @@ class CreateController extends Controller
         $defaultCurrency      = app('amount')->getDefaultCurrency();
         $previousUri          = $this->rememberPreviousUri('transactions.create.uri');
         $parts                = parse_url($previousUri);
-        $previousUri          = sprintf('%s://%s/%s', $parts['scheme'], $parts['host'], $parts['path']);
+        $previousUri          = sprintf('%s://%s/%s', $parts['scheme'], $parts['host'] ?? '', $parts['path'] ?? '');
 
         session()->put('preFilled', $preFilled);
 
diff --git a/app/Http/Controllers/Transaction/EditController.php b/app/Http/Controllers/Transaction/EditController.php
index 055957b9ea..4052f636c9 100644
--- a/app/Http/Controllers/Transaction/EditController.php
+++ b/app/Http/Controllers/Transaction/EditController.php
@@ -83,7 +83,7 @@ class EditController extends Controller
         $cash                 = $repository->getCashAccount();
         $previousUri          = $this->rememberPreviousUri('transactions.edit.uri');
         $parts                = parse_url($previousUri);
-        $previousUri          = sprintf('%s://%s/%s', $parts['scheme'], $parts['host'], $parts['path']);
+        $previousUri          = sprintf('%s://%s/%s', $parts['scheme'], $parts['host'], $parts['path'] ?? '');
 
 
         return view('transactions.edit', compact('cash', 'transactionGroup', 'allowedOpposingTypes', 'accountToTypes', 'defaultCurrency', 'previousUri'));
diff --git a/app/Repositories/TransactionGroup/TransactionGroupRepository.php b/app/Repositories/TransactionGroup/TransactionGroupRepository.php
index d23853869c..5f7de565c7 100644
--- a/app/Repositories/TransactionGroup/TransactionGroupRepository.php
+++ b/app/Repositories/TransactionGroup/TransactionGroupRepository.php
@@ -27,6 +27,7 @@ namespace FireflyIII\Repositories\TransactionGroup;
 use Carbon\Carbon;
 use DB;
 use Exception;
+use FireflyIII\Exceptions\DuplicateTransactionException;
 use FireflyIII\Exceptions\FireflyException;
 use FireflyIII\Factory\TransactionGroupFactory;
 use FireflyIII\Models\AccountMeta;
@@ -314,6 +315,7 @@ class TransactionGroupRepository implements TransactionGroupRepositoryInterface
      * @param array $data
      *
      * @return TransactionGroup
+     * @throws DuplicateTransactionException
      */
     public function store(array $data): TransactionGroup
     {
diff --git a/app/Repositories/TransactionGroup/TransactionGroupRepositoryInterface.php b/app/Repositories/TransactionGroup/TransactionGroupRepositoryInterface.php
index d184aa8f27..58c0496c2a 100644
--- a/app/Repositories/TransactionGroup/TransactionGroupRepositoryInterface.php
+++ b/app/Repositories/TransactionGroup/TransactionGroupRepositoryInterface.php
@@ -23,6 +23,7 @@ declare(strict_types=1);
 
 namespace FireflyIII\Repositories\TransactionGroup;
 
+use FireflyIII\Exceptions\DuplicateTransactionException;
 use FireflyIII\Models\TransactionGroup;
 use FireflyIII\Support\NullArrayObject;
 use FireflyIII\User;
@@ -125,6 +126,7 @@ interface TransactionGroupRepositoryInterface
      * @param array $data
      *
      * @return TransactionGroup
+     * @throws DuplicateTransactionException
      */
     public function store(array $data): TransactionGroup;
 
diff --git a/app/Rules/IsTransferAccount.php b/app/Rules/IsTransferAccount.php
new file mode 100644
index 0000000000..68cb9d3667
--- /dev/null
+++ b/app/Rules/IsTransferAccount.php
@@ -0,0 +1,73 @@
+<?php
+/**
+ * IsTransferAccount.php
+ * Copyright (c) 2019 thegrumpydictator@gmail.com
+ *
+ * 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/>.
+ */
+
+namespace FireflyIII\Rules;
+
+
+use FireflyIII\Models\TransactionType;
+use FireflyIII\Validation\AccountValidator;
+use Illuminate\Contracts\Validation\Rule;
+use Log;
+
+/**
+ * Class IsTransferAccount
+ */
+class IsTransferAccount implements Rule
+{
+    /**
+     * Get the validation error message.
+     *
+     * @return string|array
+     */
+    public function message(): string
+    {
+        return (string)trans('validation.not_transfer_account');
+    }
+
+    /**
+     * Determine if the validation rule passes.
+     *
+     * @param string $attribute
+     * @param mixed  $value
+     *
+     * @return bool
+     */
+    public function passes($attribute, $value): bool
+    {
+        Log::debug(sprintf('Now in %s(%s)', __METHOD__, $value));
+        /** @var AccountValidator $validator */
+        $validator = app(AccountValidator::class);
+        $validator->setTransactionType(TransactionType::TRANSFER);
+        $validator->setUser(auth()->user());
+
+        $validAccount = $validator->validateSource(null, (string)$value);
+        if (true === $validAccount) {
+            Log::debug('Found account based on name. Return true.');
+
+            // found by name, use repos to return.
+            return true;
+        }
+        $validAccount = $validator->validateSource((int)$value, null);
+        Log::debug(sprintf('Search by id (%d), result is %s.', (int)$value, var_export($validAccount, true)));
+
+        return !(false === $validAccount);
+    }
+}
\ No newline at end of file
diff --git a/app/Support/Search/GenericSearchInterface.php b/app/Support/Search/GenericSearchInterface.php
index 47dacfbbdd..c14e59d57e 100644
--- a/app/Support/Search/GenericSearchInterface.php
+++ b/app/Support/Search/GenericSearchInterface.php
@@ -22,7 +22,16 @@
 namespace FireflyIII\Support\Search;
 
 
+use Illuminate\Support\Collection;
+
+/**
+ * Interface GenericSearchInterface
+ */
 interface GenericSearchInterface
 {
+    /**
+     * @return Collection
+     */
+    public function search(): Collection;
 
 }
\ No newline at end of file
diff --git a/app/Support/Search/TransferSearch.php b/app/Support/Search/TransferSearch.php
new file mode 100644
index 0000000000..dd9912b830
--- /dev/null
+++ b/app/Support/Search/TransferSearch.php
@@ -0,0 +1,147 @@
+<?php
+/**
+ * TransferSearch.php
+ * Copyright (c) 2019 thegrumpydictator@gmail.com
+ *
+ * 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/>.
+ */
+
+namespace FireflyIII\Support\Search;
+
+
+use Carbon\Carbon;
+use FireflyIII\Models\Account;
+use FireflyIII\Models\AccountType;
+use FireflyIII\Repositories\Account\AccountRepositoryInterface;
+use FireflyIII\User;
+use Illuminate\Database\Query\JoinClause;
+use Illuminate\Support\Collection;
+use InvalidArgumentException;
+use Log;
+
+/**
+ * Class TransferSearch
+ */
+class TransferSearch implements GenericSearchInterface
+{
+    /** @var AccountRepositoryInterface */
+    private $accountRepository;
+    /** @var string */
+    private $amount;
+    /** @var Carbon */
+    private $date;
+    /** @var string */
+    private $description;
+    /** @var Account */
+    private $destination;
+    /** @var Account */
+    private $source;
+    /** @var array */
+    private $types;
+
+    public function __construct()
+    {
+        $this->accountRepository = app(AccountRepositoryInterface::class);
+        $this->types             = [AccountType::ASSET, AccountType::LOAN, AccountType::DEBT, AccountType::MORTGAGE];
+    }
+
+    /**
+     * @return Collection
+     */
+    public function search(): Collection
+    {
+        /** @var User $user */
+        $user = auth()->user();
+
+        $query = $user->transactionJournals()
+                      ->leftJoin(
+                          'transactions as source', static function (JoinClause $join) {
+                          $join->on('transaction_journals.id', '=', 'source.transaction_journal_id');
+                          $join->where('source.amount', '<', '0');
+                      }
+                      )
+                      ->leftJoin(
+                          'transactions as destination', static function (JoinClause $join) {
+                          $join->on('transaction_journals.id', '=', 'destination.transaction_journal_id');
+                          $join->where('destination.amount', '>', '0');
+                      }
+                      )
+                      ->where('source.account_id', $this->source->id)
+                      ->where('destination.account_id', $this->destination->id)
+                      ->where('transaction_journals.description', $this->description)
+                      ->where('destination.amount', $this->amount)
+                      ->where('transaction_journals.date', $this->date->format('Y-m-d 00:00:00'))
+        ;
+
+        return $query->get(['transaction_journals.id', 'transaction_journals.transaction_group_id']);
+    }
+
+    /**
+     * @param string $amount
+     */
+    public function setAmount(string $amount): void
+    {
+        $this->amount = $amount;
+    }
+
+    /**
+     * @param string $date
+     */
+    public function setDate(string $date): void
+    {
+        try {
+            $carbon = Carbon::createFromFormat('Y-m-d', $date);
+        } catch (InvalidArgumentException $e) {
+            Log::error($e->getMessage());
+            $carbon = Carbon::now();
+        }
+        $this->date = $carbon;
+    }
+
+    /**
+     * @param string $description
+     */
+    public function setDescription(string $description): void
+    {
+        $this->description = $description;
+    }
+
+    /**
+     * @param string $destination
+     */
+    public function setDestination(string $destination): void
+    {
+        if (is_numeric($destination)) {
+            $this->destination = $this->accountRepository->findNull((int)$destination);
+        }
+        if (null === $this->destination) {
+            $this->destination = $this->accountRepository->findByName($destination, $this->types);
+        }
+    }
+
+    /**
+     * @param string $source
+     */
+    public function setSource(string $source): void
+    {
+        if (is_numeric($source)) {
+            $this->source = $this->accountRepository->findNull((int)$source);
+        }
+        if (null === $this->source) {
+            $this->source = $this->accountRepository->findByName($source, $this->types);
+        }
+    }
+}
\ No newline at end of file
diff --git a/changelog.md b/changelog.md
index e8f6ca01ad..e29549f1e0 100644
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,15 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [4.8.1.7 (API 0.10.5)] - 2019-10-26
+
+### Fixed
+- Error when creating transactions from the index of Firefly III.
+
+### API
+- Firefly III can filter duplicate transactions.
+- New endpoint that can search for specific transfers.
+
 ## [4.8.1.6 (API 0.10.4)] - 2019-10-25
 
 ### Fixed
diff --git a/composer.lock b/composer.lock
index 78a401be40..7aebea7a31 100644
--- a/composer.lock
+++ b/composer.lock
@@ -3213,16 +3213,16 @@
         },
         {
             "name": "psr/log",
-            "version": "1.1.0",
+            "version": "1.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/php-fig/log.git",
-                "reference": "6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd"
+                "reference": "bf73deb2b3b896a9d9c75f3f0d88185d2faa27e2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/log/zipball/6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd",
-                "reference": "6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd",
+                "url": "https://api.github.com/repos/php-fig/log/zipball/bf73deb2b3b896a9d9c75f3f0d88185d2faa27e2",
+                "reference": "bf73deb2b3b896a9d9c75f3f0d88185d2faa27e2",
                 "shasum": ""
             },
             "require": {
@@ -3231,7 +3231,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "1.1.x-dev"
                 }
             },
             "autoload": {
@@ -3256,7 +3256,7 @@
                 "psr",
                 "psr-3"
             ],
-            "time": "2018-11-20T15:27:04+00:00"
+            "time": "2019-10-25T08:06:51+00:00"
         },
         {
             "name": "psr/simple-cache",
diff --git a/config/firefly.php b/config/firefly.php
index 7a4a29ee8f..d838f8d7cb 100644
--- a/config/firefly.php
+++ b/config/firefly.php
@@ -125,8 +125,8 @@ return [
         'is_demo_site'     => false,
     ],
     'encryption'                   => null === env('USE_ENCRYPTION') || env('USE_ENCRYPTION') === true,
-    'version'                      => '4.8.1.6',
-    'api_version'                  => '0.10.4',
+    'version'                      => '4.8.1.7',
+    'api_version'                  => '0.10.5',
     'db_version'                   => 11,
     'maxUploadSize'                => 15242880,
     'send_error_message'           => env('SEND_ERROR_MESSAGE', true),
diff --git a/resources/lang/.gitignore b/resources/lang/.gitignore
new file mode 100644
index 0000000000..ce5091f4e6
--- /dev/null
+++ b/resources/lang/.gitignore
@@ -0,0 +1,9 @@
+ca_ES
+da_DK
+he_IL
+ja_JP
+pt_PT
+sl_SI
+uk_UA
+sv_SE
+sr_CS
diff --git a/resources/lang/cs_CZ/validation.php b/resources/lang/cs_CZ/validation.php
index 746d2aad94..f22071b8c2 100644
--- a/resources/lang/cs_CZ/validation.php
+++ b/resources/lang/cs_CZ/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'Potřebujete alespoň jedno opakování.',
     'require_repeat_until'           => 'Require either a number of repetitions, or an end date (repeat_until). Not both.',
     'require_currency_info'          => 'Obsah tohoto pole je neplatný bez informace o měně.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'The content of this field is invalid without foreign amount information.',
     'equal_description'              => 'Popis transakce nesmí být stejný jako globální popis.',
     'file_invalid_mime'              => 'Soubor ":name" je typu ":mime", který není schválen pro nahrání.',
diff --git a/resources/lang/de_DE/validation.php b/resources/lang/de_DE/validation.php
index 5d8efd5660..1ec036283c 100644
--- a/resources/lang/de_DE/validation.php
+++ b/resources/lang/de_DE/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'Mindestens eine Wiederholung erforderlich.',
     'require_repeat_until'           => 'Erfordert entweder eine Anzahl von Wiederholungen oder ein Enddatum (repeat_until). Nicht beides.',
     'require_currency_info'          => 'Der Inhalt dieses Feldes ist ohne Währungsinformationen ungültig.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'Der Inhalt dieses Feldes ist ohne Fremdbetragsangaben ungültig.',
     'equal_description'              => 'Die Transaktionsbeschreibung darf nicht der globalen Beschreibung entsprechen.',
     'file_invalid_mime'              => 'Die Datei „:name” ist vom Typ „:mime”, welcher nicht zum Hochladen zugelassen ist.',
diff --git a/resources/lang/el_GR/validation.php b/resources/lang/el_GR/validation.php
index 458f8d200a..897ba08d29 100644
--- a/resources/lang/el_GR/validation.php
+++ b/resources/lang/el_GR/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'Απαιτείται τουλάχιστον μία επανάληψη.',
     'require_repeat_until'           => 'Απαιτείται είτε ένας αριθμός επαναλήψεων, ή μία ημερομηνία λήξης (repeat_until). Όχι και τα δύο.',
     'require_currency_info'          => 'Το περιεχόμενο αυτού του πεδίου δεν είναι έγκυρη χωρίς νομισματικές πληροφορίες.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'Το περιεχόμενο αυτού του πεδίου δεν είναι έγκυρο χωρίς πληροφορίες ετερόχθονος ποσού.',
     'equal_description'              => 'Η περιγραφή της συναλλαγής δεν πρέπει να ισούται με καθολική περιγραφή.',
     'file_invalid_mime'              => 'Το αρχείο ":name" είναι τύπου ":mime" που δεν είναι αποδεκτός ως νέας μεταφόρτωσης.',
diff --git a/resources/lang/en_US/validation.php b/resources/lang/en_US/validation.php
index 3337ef46f6..338e005c2d 100644
--- a/resources/lang/en_US/validation.php
+++ b/resources/lang/en_US/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'Need at least one repetition.',
     'require_repeat_until'           => 'Require either a number of repetitions, or an end date (repeat_until). Not both.',
     'require_currency_info'          => 'The content of this field is invalid without currency information.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'The content of this field is invalid without foreign amount information.',
     'equal_description'              => 'Transaction description should not equal global description.',
     'file_invalid_mime'              => 'File ":name" is of type ":mime" which is not accepted as a new upload.',
diff --git a/resources/lang/es_ES/validation.php b/resources/lang/es_ES/validation.php
index 4bce393ca0..d5d8c90b49 100644
--- a/resources/lang/es_ES/validation.php
+++ b/resources/lang/es_ES/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'Se necesita al menos una repetición.',
     'require_repeat_until'           => 'Se precisa un número de repeticiones o una fecha de finalización (repeat_until). No ambas.',
     'require_currency_info'          => 'El contenido de este campo no es válido sin la información montearia.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'El contenido de este campo no es válido sin información de cantidad extranjera.',
     'equal_description'              => 'La descripción de la transacción no debería ser igual a la descripción global.',
     'file_invalid_mime'              => 'El archivo ":name" es de tipo ":mime", el cual no se acepta.',
diff --git a/resources/lang/fr_FR/validation.php b/resources/lang/fr_FR/validation.php
index 54d0b92682..4ce1ed17f0 100644
--- a/resources/lang/fr_FR/validation.php
+++ b/resources/lang/fr_FR/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'Besoin d\'au moins une répétition.',
     'require_repeat_until'           => 'Besoin d’un certain nombre de répétitions ou d\'une date de fin (repeat_until). Pas les deux.',
     'require_currency_info'          => 'Le contenu de ce champ n\'est pas valide sans informations sur la devise.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'Le contenu de ce champ est invalide sans informations sur le montant étranger.',
     'equal_description'              => 'La description de la transaction ne doit pas être identique à la description globale.',
     'file_invalid_mime'              => 'Le fichier ":name" est du type ":mime" ce qui n\'est pas accepté pour un nouvel envoi.',
diff --git a/resources/lang/hu_HU/validation.php b/resources/lang/hu_HU/validation.php
index 7be7a66292..30ebe0b472 100644
--- a/resources/lang/hu_HU/validation.php
+++ b/resources/lang/hu_HU/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'Legalább egy ismétlés szükséges.',
     'require_repeat_until'           => 'Legalább egy ismétlésszám vagy egy végdátum (repeat_until) kötelező. Csak az egyik.',
     'require_currency_info'          => 'Ennek a mezőnek a tartalma érvénytelen pénznem információ nélkül.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'The content of this field is invalid without foreign amount information.',
     'equal_description'              => 'A tranzakció leírása nem egyezhet meg a globális leírással.',
     'file_invalid_mime'              => '":name" fájl ":mime" típusú ami nem lehet új feltöltés.',
diff --git a/resources/lang/id_ID/validation.php b/resources/lang/id_ID/validation.php
index 523b54a80e..a8456a6ec3 100644
--- a/resources/lang/id_ID/validation.php
+++ b/resources/lang/id_ID/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'Minimal harus ada satu pengulangan.',
     'require_repeat_until'           => 'Dibutuhkan hanya sebuah angka pengulangan, atau tanggal akhir (repeat_until). Bukan keduanya.',
     'require_currency_info'          => 'Isi dalam bidang ini tidak valid jika tidak disertai informasi mata uang.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'The content of this field is invalid without foreign amount information.',
     'equal_description'              => 'Deskripsi transaksi harus berbeda dari deskripsi umum.',
     'file_invalid_mime'              => 'File ":name" adalah tipe ":mime" yang tidak diterima sebagai upload baru.',
diff --git a/resources/lang/it_IT/validation.php b/resources/lang/it_IT/validation.php
index 68d0c1b204..bcf5b4da4c 100644
--- a/resources/lang/it_IT/validation.php
+++ b/resources/lang/it_IT/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'È necessaria almeno una ripetizione.',
     'require_repeat_until'           => 'Richiede un numero di ripetizioni o una data di fine (ripeti fino al), non entrambi.',
     'require_currency_info'          => 'Il contenuto di questo campo non è valido senza informazioni sulla valuta.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'Il contenuto di questo campo non è valido senza le informazioni sull\'importo estero.',
     'equal_description'              => 'La descrizione della transazione non deve essere uguale alla descrizione globale.',
     'file_invalid_mime'              => 'Il file ":name" è di tipo ":mime" che non è accettato come nuovo caricamento.',
diff --git a/resources/lang/nb_NO/validation.php b/resources/lang/nb_NO/validation.php
index 50106d1563..ad307f5570 100644
--- a/resources/lang/nb_NO/validation.php
+++ b/resources/lang/nb_NO/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'Trenger minst en gjentagelse.',
     'require_repeat_until'           => 'Krever enten et antall repetisjoner eller en slutt dato (gjentas til). Ikke begge.',
     'require_currency_info'          => 'Innholdet i dette feltet er ugyldig uten valutainformasjon.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'The content of this field is invalid without foreign amount information.',
     'equal_description'              => 'Transaksjonsbeskrivelsen bør ikke være lik global beskrivelse.',
     'file_invalid_mime'              => 'Kan ikke akseptere fil ":name" av typen ":mime" for opplasting.',
diff --git a/resources/lang/nl_NL/validation.php b/resources/lang/nl_NL/validation.php
index 3cf0956485..ac97aafae1 100644
--- a/resources/lang/nl_NL/validation.php
+++ b/resources/lang/nl_NL/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'Er is op zijn minst één herhaling nodig.',
     'require_repeat_until'           => 'Je moet een aantal herhalingen opgeven, of een einddatum (repeat_until). Niet beide.',
     'require_currency_info'          => 'De inhoud van dit veld is ongeldig zonder valutagegevens.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'De inhoud van dit veld is ongeldig zonder bedrag in vreemde valuta.',
     'equal_description'              => 'Transactiebeschrijving mag niet gelijk zijn aan globale beschrijving.',
     'file_invalid_mime'              => 'Bestand ":name" is van het type ":mime", en die kan je niet uploaden.',
diff --git a/resources/lang/pl_PL/firefly.php b/resources/lang/pl_PL/firefly.php
index f0befb7c58..a6e2cdab9f 100644
--- a/resources/lang/pl_PL/firefly.php
+++ b/resources/lang/pl_PL/firefly.php
@@ -258,7 +258,7 @@ return [
     'search_modifier_created_on'                 => 'Transakcja stworzona :value',
     'search_modifier_updated_on'                 => 'Transakcja zaktualizowana :value',
     'modifiers_applies_are'                      => 'Zastosowano także poniższe modyfikatory:',
-    'general_search_error'                       => 'An error occurred while searching. Please check the log files for more information.',
+    'general_search_error'                       => 'Wystąpił błąd podczas wyszukiwania. Aby uzyskać więcej informacji proszę sprawdzić logi aplikacji.',
     'search_box'                                 => 'Szukaj',
     'search_box_intro'                           => 'Witamy w funkcji wyszukiwania Firefly III. Wpisz zapytanie w polu. Upewnij się, że sprawdziłeś plik pomocy, ponieważ wyszukiwanie jest dość zaawansowane.',
     'search_error'                               => 'Błąd podczas wyszukiwania',
@@ -666,7 +666,7 @@ return [
     'cannot_disable_currency_budget_limits'     => 'Cannot disable :name because it is used in budget limits.',
     'cannot_disable_currency_current_default'   => 'Cannot disable :name because it is the current default currency.',
     'cannot_disable_currency_system_fallback'   => 'Cannot disable :name because it is the system default currency.',
-    'disable_EUR_side_effects'                  => 'The Euro is the system\'s emergency fallback currency. Disabling it may have unintended side-effects and may void your warranty.',
+    'disable_EUR_side_effects'                  => 'Euro jest awaryjną walutą w systemie. Deaktywacja może mieć nieprzewidziane skutki i może spowodować wygaśnięcie gwarancji.',
     'deleted_currency'                          => 'Waluta :name została usunięta',
     'created_currency'                          => 'Waluta :name została utworzona',
     'could_not_store_currency'                  => 'Nie można zapisać nowej waluty.',
@@ -688,8 +688,8 @@ return [
     'options'                                   => 'Opcje',
 
     // budgets:
-    'total_available_budget'                    => 'Total available budget (between :start and :end)',
-    'total_available_budget_in_currency'        => 'Total available budget in :currency',
+    'total_available_budget'                    => 'Dostępny budżet (pomiędzy :start i :end)',
+    'total_available_budget_in_currency'        => 'Dostępny budżet w :currency',
     'see_below'                                 => 'zobacz poniżej',
     'create_new_budget'                         => 'Utwórz nowy budżet',
     'store_new_budget'                          => 'Zapisz nowy budżet',
@@ -791,7 +791,7 @@ return [
     'asset_accounts'                            => 'Konta aktywów',
     'asset_accounts_inactive'                   => 'Asset accounts (inactive)',
     'expense_accounts'                          => 'Konta wydatków',
-    'expense_accounts_inactive'                 => 'Expense accounts (inactive)',
+    'expense_accounts_inactive'                 => 'Konto wydatków (nieaktywne)',
     'revenue_accounts'                          => 'Konta przychodów',
     'cash_accounts'                             => 'Konta gotówkowe',
     'Cash account'                              => 'Konto gotówkowe',
@@ -1490,7 +1490,7 @@ return [
     'box_spent_in_currency'              => 'Wydano (:currency)',
     'box_earned_in_currency'             => 'Zarobiono (:currency)',
     'box_budgeted_in_currency'           => 'Zabudżetowano (:currency)',
-    'box_sum_in_currency'                => 'Sum (:currency)',
+    'box_sum_in_currency'                => 'Suma (:currency)',
     'box_bill_paid_in_currency'          => 'Zapłacone rachunki (:currency)',
     'box_bill_unpaid_in_currency'        => 'Niezapłacone rachunki (:currency)',
     'box_left_to_spend_in_currency'      => 'Możliwe do wydania (:currency)',
diff --git a/resources/lang/pl_PL/form.php b/resources/lang/pl_PL/form.php
index 7bfafb0f96..c1df1a4ec2 100644
--- a/resources/lang/pl_PL/form.php
+++ b/resources/lang/pl_PL/form.php
@@ -255,7 +255,7 @@ return [
 
     'withdrawal_destination_id' => 'Konto docelowe',
     'deposit_source_id'         => 'Konto źródłowe',
-    'expected_on'               => 'Expected on',
-    'paid'                      => 'Paid',
+    'expected_on'               => 'Oczekiwany',
+    'paid'                      => 'Zapłacone',
 
 ];
diff --git a/resources/lang/pl_PL/list.php b/resources/lang/pl_PL/list.php
index 08eb146664..de7a8181a4 100644
--- a/resources/lang/pl_PL/list.php
+++ b/resources/lang/pl_PL/list.php
@@ -38,11 +38,11 @@ return [
     'active'                  => 'Jest aktywny?',
     'percentage'              => 'pct.',
     'next_due'                => 'Next due',
-    'transaction_type'        => 'Type',
+    'transaction_type'        => 'Typ',
     'lastActivity'            => 'Ostatnia aktywność',
     'balanceDiff'             => 'Różnica sald',
     'matchesOn'               => 'Dopasowanie',
-    'other_meta_data'         => 'Other meta data',
+    'other_meta_data'         => 'Inne dane meta',
     'account_type'            => 'Typ konta',
     'created_at'              => 'Utworzono',
     'account'                 => 'Konto',
@@ -109,14 +109,14 @@ return [
     'account_on_spectre'      => 'Konto (Spectre)',
     'account_on_ynab'         => 'Konto (YNAB)',
     'do_import'               => 'Importuj z tego konta',
-    'sepa_ct_id'              => 'SEPA End to End Identifier',
-    'sepa_ct_op'              => 'SEPA Opposing Account Identifier',
-    'sepa_db'                 => 'SEPA Mandate Identifier',
-    'sepa_country'            => 'SEPA Country',
-    'sepa_cc'                 => 'SEPA Clearing Code',
+    'sepa_ct_id'              => 'Identyfikator end-to-end SEPA',
+    'sepa_ct_op'              => 'Identyfikator przeciwnego konta SEPA',
+    'sepa_db'                 => 'Identyfikator mandatu SEPA',
+    'sepa_country'            => 'Kraj SEPA',
+    'sepa_cc'                 => 'Kod rozliczeniowy SEPA',
     'sepa_ep'                 => 'SEPA External Purpose',
     'sepa_ci'                 => 'SEPA Creditor Identifier',
-    'sepa_batch_id'           => 'SEPA Batch ID',
+    'sepa_batch_id'           => 'ID paczki SEPA',
     'external_id'             => 'Zewnętrzne ID',
     'account_at_bunq'         => 'Konto bunq',
     'file_name'               => 'Nazwa pliku',
diff --git a/resources/lang/pl_PL/validation.php b/resources/lang/pl_PL/validation.php
index a376e40098..a87b92840c 100644
--- a/resources/lang/pl_PL/validation.php
+++ b/resources/lang/pl_PL/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'Wymaga co najmniej jednego powtórzenia.',
     'require_repeat_until'           => 'Wymagana jest liczba powtórzeń lub data zakończenia (repeat_until), ale nie obie jednocześnie.',
     'require_currency_info'          => 'Treść tego pola jest nieprawidłowa bez informacji o walucie.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'Treść tego pola jest nieprawidłowa bez informacji o obcej kwocie.',
     'equal_description'              => 'Opis transakcji nie powinien być równy globalnemu opisowi.',
     'file_invalid_mime'              => 'Plik ":name" jest typu ":mime", który nie jest akceptowany jako nowy plik do przekazania.',
diff --git a/resources/lang/pt_BR/validation.php b/resources/lang/pt_BR/validation.php
index 63ca1235fc..e954f750f8 100644
--- a/resources/lang/pt_BR/validation.php
+++ b/resources/lang/pt_BR/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'Precisa de ao menos uma repetição.',
     'require_repeat_until'           => 'É necessário ou um número de repetições ou uma data de término (repetir até). Não ambos.',
     'require_currency_info'          => 'O conteúdo deste campo é inválido sem informações de moeda.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'O conteúdo deste campo é inválido sem a informação de moeda estrangeira.',
     'equal_description'              => 'A descrição da transação não pode ser igual à descrição global.',
     'file_invalid_mime'              => 'Arquivo ":name" é do tipo ":mime" que não é aceito como um novo upload.',
diff --git a/resources/lang/ro_RO/validation.php b/resources/lang/ro_RO/validation.php
index 7a713982fc..c168d1bfc9 100644
--- a/resources/lang/ro_RO/validation.php
+++ b/resources/lang/ro_RO/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'Aveți nevoie de cel puțin o repetare.',
     'require_repeat_until'           => 'Solicitați fie un număr de repetări, fie o dată de încheiere (repeat_until). Nu amândouă.',
     'require_currency_info'          => 'Conținutul acestui câmp este nevalid fără informații despre monedă.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'The content of this field is invalid without foreign amount information.',
     'equal_description'              => 'Descrierea tranzacției nu trebuie să fie egală cu descrierea globală.',
     'file_invalid_mime'              => 'Fișierul ":name" este de tip ":mime" și nu este acceptat ca o încărcare nouă.',
diff --git a/resources/lang/ru_RU/validation.php b/resources/lang/ru_RU/validation.php
index e8f3507f51..5b4130bb9c 100644
--- a/resources/lang/ru_RU/validation.php
+++ b/resources/lang/ru_RU/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'Необходима как минимум одна транзакция.',
     'require_repeat_until'           => 'Требуется либо несколько повторений, либо конечная дата (repeat_until). Но не оба параметра разом.',
     'require_currency_info'          => 'Содержимое этого поля недействительно без информации о валюте.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'Содержимое этого поля недействительно без информации о валюте.',
     'equal_description'              => 'Описание транзакции не должно совпадать с глобальным описанием.',
     'file_invalid_mime'              => 'Файл ":name" имеет тип ":mime". Загрузка файлов такого типа невозможна.',
diff --git a/resources/lang/tr_TR/validation.php b/resources/lang/tr_TR/validation.php
index c1de92890a..1150d8ffec 100644
--- a/resources/lang/tr_TR/validation.php
+++ b/resources/lang/tr_TR/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => 'En az bir tekrarı gerekir.',
     'require_repeat_until'           => 'Require either a number of repetitions, or an end date (repeat_until). Not both.',
     'require_currency_info'          => 'Bu alanın içeriği para birimi bilgileri geçersiz.',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'The content of this field is invalid without foreign amount information.',
     'equal_description'              => 'İşlem açıklaması genel açıklama eşit değildir.',
     'file_invalid_mime'              => '":name" dosyası ":mime" türünde olup yeni bir yükleme olarak kabul edilemez.',
diff --git a/resources/lang/zh_CN/validation.php b/resources/lang/zh_CN/validation.php
index 7ca39b9d6f..1771419dca 100644
--- a/resources/lang/zh_CN/validation.php
+++ b/resources/lang/zh_CN/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => '至少需要一次重复。',
     'require_repeat_until'           => '仅需重复次数或结束日期 (repeat_until) 即可，不需两者均备。',
     'require_currency_info'          => '无货币资讯，此栏位内容无效。',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => 'The content of this field is invalid without foreign amount information.',
     'equal_description'              => '交易描述不应等同全域描述。',
     'file_invalid_mime'              => '档案 ":name" 的类型为 ":mime"，系不被允许上载的类型。',
diff --git a/resources/lang/zh_TW/validation.php b/resources/lang/zh_TW/validation.php
index cad2fe0e00..36f53eca9d 100644
--- a/resources/lang/zh_TW/validation.php
+++ b/resources/lang/zh_TW/validation.php
@@ -45,6 +45,7 @@ return [
     'at_least_one_repetition'        => '至少需要一次重複。',
     'require_repeat_until'           => '要嘛重複次數，要嘛結束日期 (repeat_until)，須二擇其一。',
     'require_currency_info'          => '此欄位內容須要貨幣資訊。',
+    'not_transfer_account'           => 'This account is not an account that can be used for transfers.',
     'require_currency_amount'        => '此欄位內容須要外幣資訊。',
     'equal_description'              => '交易描述不應等同全域描述。',
     'file_invalid_mime'              => '檔案 ":name" 類型為 ":mime"，不允許上載。',
diff --git a/routes/api.php b/routes/api.php
index 6629f37eab..0bfe33e91c 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -342,6 +342,7 @@ Route::group(
         // Attachment API routes:
         Route::get('transactions', ['uses' => 'TransactionController@search', 'as' => 'transactions']);
         Route::get('accounts', ['uses' => 'AccountController@search', 'as' => 'accounts']);
+        Route::get('transfers', ['uses' => 'TransferController@search', 'as' => 'transfers']);
     }
 );