diff --git a/src/api/endpoints/class-tainacan-rest-fields-controller.php b/src/api/endpoints/class-tainacan-rest-fields-controller.php
index 578d07ea3..8e2630e35 100644
--- a/src/api/endpoints/class-tainacan-rest-fields-controller.php
+++ b/src/api/endpoints/class-tainacan-rest-fields-controller.php
@@ -4,7 +4,6 @@ use Tainacan\Entities;
 use Tainacan\Repositories;
 
 class TAINACAN_REST_Fields_Controller extends TAINACAN_REST_Controller {
-	private $field;
 	private $item_metadata_repository;
 	private $item_repository;
 	private $collection_repository;
@@ -20,9 +19,10 @@ class TAINACAN_REST_Fields_Controller extends TAINACAN_REST_Controller {
 
 	/**
 	 * Initialize objects after post_type register
+	 *
+	 * @throws Exception
 	 */
 	public function init_objects() {
-		$this->field = new Entities\Field();
 		$this->field_repository = new Repositories\Fields();
 		$this->item_metadata_repository = new Repositories\Item_Metadata();
 		$this->item_repository = new Repositories\Items();
@@ -41,16 +41,17 @@ class TAINACAN_REST_Fields_Controller extends TAINACAN_REST_Controller {
 	public function register_routes() {
 		register_rest_route($this->namespace, '/collection/(?P<collection_id>[\d]+)/' . $this->rest_base . '/(?P<field_id>[\d]+)',
 			array(
+				array(
+					'methods'             => WP_REST_Server::EDITABLE,
+					'callback'            => array($this, 'update_item'),
+					'permission_callback' => array($this, 'update_item_permissions_check')
+				),
+				// ENDPOINT X. THIS ENDPOINT DO THE SAME THING OF ENDPOINT Z. I hope that in a brief future it function changes.
 				array(
 					'methods'             => WP_REST_Server::DELETABLE,
 					'callback'            => array($this, 'delete_item'),
 					'permission_callback' => array($this, 'delete_item_permissions_check')
 				),
-				array(
-					'methods'             => WP_REST_Server::EDITABLE,
-					'callback'            => array($this, 'update_item'),
-					'permission_callback' => array($this, 'update_item_permissions_check')
-				)
 			)
 		);
 		register_rest_route($this->namespace, '/collection/(?P<collection_id>[\d]+)/' . $this->rest_base,
@@ -68,43 +69,85 @@ class TAINACAN_REST_Fields_Controller extends TAINACAN_REST_Controller {
 				),
 			)
 		);
+		register_rest_route($this->namespace, '/' . $this->rest_base,
+			array(
+				array(
+					'methods'             => WP_REST_Server::CREATABLE,
+					'callback'            => array($this, 'create_item'),
+					'permission_callback' => array($this, 'create_item_permissions_check')
+				)
+			)
+		);
+		register_rest_route($this->namespace, '/'. $this->rest_base . '/(?P<field_id>[\d]+)',
+			array(
+				// ENDPOINT Z.
+				array(
+					'methods'             => WP_REST_Server::DELETABLE,
+					'callback'            => array($this, 'delete_item'),
+					'permission_callback' => array($this, 'delete_item_permissions_check')
+				),
+				array(
+					'methods'             => WP_REST_Server::EDITABLE,
+					'callback'            => array($this, 'update_item'),
+					'permission_callback' => array($this, 'update_item_permissions_check')
+				)
+			)
+		);
 	}
 
 	/**
 	 * @param WP_REST_Request $request
 	 *
+	 * @param null $collection_id
+	 *
 	 * @return object|void|WP_Error
+	 * @throws Exception
 	 */
-	public function prepare_item_for_database( $request ) {
-		$meta = json_decode($request[0]->get_body(), true);
+	public function prepare_item_for_database( $request, $collection_id = null ) {
+		$field = new Entities\Field();
 
-		foreach ($meta as $key => $value){
-			$set_ = 'set_' . $key;
-			$this->field->$set_($value);
+		if($collection_id) {
+			$meta = json_decode( $request, true );
+
+			foreach ( $meta as $key => $value ) {
+				$set_ = 'set_' . $key;
+				$field->$set_( $value );
+			}
+
+			$collection = new Entities\Collection( $collection_id );
+
+			$field->set_collection( $collection );
 		}
 
-		$collection = new Entities\Collection($request[1]);
+		$meta = json_decode($request, true);
+		foreach ( $meta as $key => $value ) {
+			$set_ = 'set_' . $key;
+			$field->$set_( $value );
+		}
 
-		$this->field->set_collection($collection);
+		$field->set_collection_id('default');
+
+		return $field;
 	}
 
 	/**
 	 * @param WP_REST_Request $request
 	 *
 	 * @return WP_Error|WP_REST_Response
+	 * @throws Exception
 	 */
 	public function create_item( $request ) {
-		if(!empty($request->get_body())){
+		if(!empty($request->get_body()) && isset($request['collection_id'])){
 			$collection_id = $request['collection_id'];
 
 			try {
-				$this->prepare_item_for_database( [ $request, $collection_id ] );
+				$prepared = $this->prepare_item_for_database( $request->get_body(), $collection_id );
 			} catch (\Error $exception){
 				return new WP_REST_Response($exception->getMessage(), 400);
 			}
 
-			if($this->field->validate()) {
-				$this->field_repository->insert( $this->field );
+			if($prepared->validate()) {
+				$field = $this->field_repository->insert( $prepared);
 
 				$items = $this->item_repository->fetch([], $collection_id, 'WP_Query');
 
@@ -114,7 +157,7 @@ class TAINACAN_REST_Fields_Controller extends TAINACAN_REST_Controller {
 						$items->the_post();
 
 						$item = new Entities\Item($items->post);
-						$item_meta = new Entities\Item_Metadata_Entity($item, $this->field);
+						$item_meta = new Entities\Item_Metadata_Entity($item, $field);
 
 						$field_added = $this->item_metadata_repository->insert($item_meta);
 					}
@@ -124,10 +167,30 @@ class TAINACAN_REST_Fields_Controller extends TAINACAN_REST_Controller {
 					return new WP_REST_Response($response, 201);
 				}
 				else {
-					$response = $this->prepare_item_for_response($this->field, $request);
+					$response = $this->prepare_item_for_response($prepared, $request);
 
 					return new WP_REST_Response($response, 201);
 				}
+			} else {
+				return new WP_REST_Response([
+					'error_message' => __('One or more values are invalid.', 'tainacan'),
+					'errors'        => $prepared->get_errors(),
+					'field'         => $this->prepare_item_for_response($prepared, $request),
+				], 400);
+			}
+		} elseif (!empty($request->get_body())) {
+			try {
+				$prepared = $this->prepare_item_for_database( $request->get_body() );
+			} catch ( \Error $exception ) {
+				return new WP_REST_Response( $exception->getMessage(), 400 );
+			}
+
+			if ( $prepared->validate() ) {
+				$field = $this->field_repository->insert( $prepared );
+
+				$response = $this->prepare_item_for_response($field, $request);
+
+				return new WP_REST_Response($response, 201);
 			} else {
 				return new WP_REST_Response([
 					'error_message' => __('One or more values are invalid.', 'tainacan'),
@@ -135,6 +198,7 @@ class TAINACAN_REST_Fields_Controller extends TAINACAN_REST_Controller {
 					'field'         => $this->prepare_item_for_response($this->field, $request),
 				], 400);
 			}
+
 		}
 
 		return new WP_REST_Response([
@@ -151,7 +215,11 @@ class TAINACAN_REST_Fields_Controller extends TAINACAN_REST_Controller {
 	 * @throws Exception
 	 */
 	public function create_item_permissions_check( $request ) {
-		return $this->collection_repository->can_edit(new Entities\Collection());
+		if(isset($request['collection_id'])) {
+			return $this->collection_repository->can_edit( new Entities\Collection() );
+		}
+
+		return $this->field_repository->can_edit(new Entities\Field());
 	}
 
 	/**
@@ -254,7 +322,7 @@ class TAINACAN_REST_Fields_Controller extends TAINACAN_REST_Controller {
 			}
 		}
 
-		return false;
+		return $this->field_repository->can_edit(new Entities\Field());
 	}
 
 	/**
@@ -266,7 +334,7 @@ class TAINACAN_REST_Fields_Controller extends TAINACAN_REST_Controller {
 		$collection_id = $request['collection_id'];
 		$body = json_decode($request->get_body(), true);
 
-		if(!empty($body)){
+		if(!empty($body) && $collection_id){
 			$attributes = [];
 
 			$field_id = $request['field_id'];
@@ -318,6 +386,40 @@ class TAINACAN_REST_Fields_Controller extends TAINACAN_REST_Controller {
 				'error_message' => __('Field with that ID not found', 'tainacan'),
 				'field_id'      => $field_id
 			], 400);
+		} elseif (!empty($body)){
+			$attributes = [];
+
+			$field_id = $request['field_id'];
+
+			foreach ($body['values'] as $att => $value){
+				$attributes[$att] = $value;
+			}
+
+			$field = $this->field_repository->fetch($field_id);
+
+			if($field && $field->get_collection_id() === 'default') {
+
+				$prepared_metadata = $this->prepare_item_for_updating( $field, $attributes );
+
+				if ( $prepared_metadata->validate() ) {
+					$updated_metadata = $this->field_repository->update( $prepared_metadata );
+
+					$response = $this->prepare_item_for_response($updated_metadata, $request);
+
+					return new WP_REST_Response($response, 200);
+				}
+
+				return new WP_REST_Response([
+					'error_message' => __('One or more values are invalid.', 'tainacan'),
+					'errors'        => $prepared_metadata->get_errors(),
+					'metadata'      => $this->prepare_item_for_response($prepared_metadata, $request)
+				], 400);
+			}
+
+			return new WP_REST_Response([
+				'error_message' => __('Field with that ID not found or that field is not a default field', 'tainacan'),
+				'field_id'      => $field_id
+			], 400);
 		}
 
 		return new WP_REST_Response([
@@ -342,7 +444,7 @@ class TAINACAN_REST_Fields_Controller extends TAINACAN_REST_Controller {
 
         }
 
-        return false;
+        return $this->field_repository->can_edit(new Entities\Field());
 	}
 }
 
diff --git a/src/classes/repositories/class-tainacan-repository.php b/src/classes/repositories/class-tainacan-repository.php
index 681191068..a7c25f6e1 100644
--- a/src/classes/repositories/class-tainacan-repository.php
+++ b/src/classes/repositories/class-tainacan-repository.php
@@ -74,7 +74,7 @@ abstract class Repository {
 		
 		// First iterate through the native post properties
 		foreach ($map as $prop => $mapped) {
-			if ($mapped['map'] != 'meta' && $mapped['map'] != 'meta_multi' && $mapped['map'] != 'terms') {
+			if ($mapped['map'] != 'meta' && $mapped['map'] != 'meta_multi') {
 				$obj->WP_Post->{$mapped['map']} = $obj->get_mapped_property($prop);
 			}
 		}
diff --git a/tests/test-api-metadata.php b/tests/test-api-metadata.php
index 793ee6b9b..aea110d87 100644
--- a/tests/test-api-metadata.php
+++ b/tests/test-api-metadata.php
@@ -9,10 +9,10 @@ use Tainacan\Repositories;
  */
 class TAINACAN_REST_Metadata_Controller extends TAINACAN_UnitApiTestCase {
 
-	public function test_insert_metadata() {
+	public function test_create_field_in_a_collection() {
 		$collection = $this->tainacan_entity_factory->create_entity('collection', '', true);
 
-		$item = $this->tainacan_entity_factory->create_entity(
+		$this->tainacan_entity_factory->create_entity(
 			'item',
 			array(
 				'title'       => 'No name',
@@ -44,6 +44,27 @@ class TAINACAN_REST_Metadata_Controller extends TAINACAN_UnitApiTestCase {
         
 	}
 
+	public function test_create_default_field(){
+		$field = json_encode(
+			array(
+				'name'        => 'Ano de Publicação',
+				'description' => 'Uma data no formato dd/mm/aaaa.',
+				'field_type'  => 'Tainacan\Field_Types\Text',
+			)
+		);
+
+		$request = new \WP_REST_Request(
+			'POST',
+			$this->namespace . '/fields'
+		);
+		$request->set_body($field);
+
+		$response = $this->server->dispatch($request);
+		$field_added = $response->get_data();
+
+		$this->assertTrue(is_array($field_added) && array_key_exists('name', $field_added), sprintf('cannot create field, response: %s', print_r($field_added, true)));
+		$this->assertEquals('Ano de Publicação', $field_added['name']);
+	}
 
 	public function test_get_item_and_collection_metadata(){
 		global $Tainacan_Item_Metadata;
@@ -210,7 +231,7 @@ class TAINACAN_REST_Metadata_Controller extends TAINACAN_UnitApiTestCase {
         
 	}
 
-	public function test_trash_field(){
+	public function test_trash_field_in_collection(){
 		$collection = $this->tainacan_entity_factory->create_entity(
 			'collection',
 			array(
@@ -247,6 +268,70 @@ class TAINACAN_REST_Metadata_Controller extends TAINACAN_UnitApiTestCase {
 		$this->assertEquals('trash', $field_trashed->post_status);
 	}
 
+	public function test_trash_default_field(){
+		$field = $this->tainacan_entity_factory->create_entity(
+			'field',
+			array(
+				'name'          => 'Field Statement',
+				'description'   => 'No Statement',
+				'collection_id' => 'default',
+				'status'        => 'publish',
+				'field_type'    => 'Tainacan\Field_Types\Text',
+				'multiple'      => 'yes'
+			),
+			true
+		);
+
+		$trash_field_request = new \WP_REST_Request(
+			'DELETE',
+			$this->namespace . '/fields/' . $field->get_id()
+		);
+
+		$trash_field_response = $this->server->dispatch($trash_field_request);
+		$data1 = $trash_field_response->get_data();
+
+		$this->assertEquals($field->get_id(), $data1['id']);
+
+		$field_trashed = get_post($data1['id']);
+		$this->assertEquals('trash', $field_trashed->post_status);
+	}
+
+	public function test_update_default_field(){
+		$field = $this->tainacan_entity_factory->create_entity(
+			'field',
+			array(
+				'name'          => 'Field Statement',
+				'description'   => 'No Statement',
+				'collection_id' => 'default',
+				'status'        => 'publish',
+				'field_type'    => 'Tainacan\Field_Types\Text',
+				'multiple'      => 'no'
+			),
+			true
+		);
+
+		$new_attributes = json_encode([
+			'values' => [
+				'name'        => 'No name',
+				'description' => 'NOP!'
+			]
+		]);
+
+		$request = new \WP_REST_Request(
+			'PATCH',
+			$this->namespace . '/fields/' . $field->get_id()
+		);
+
+		$request->set_body($new_attributes);
+
+		$response = $this->server->dispatch($request);
+
+		$data = $response->get_data();
+
+		$this->assertEquals($field->get_id(), $data['id']);
+		$this->assertEquals('No name', $data['name']);
+	}
+
 }
 
 ?>
\ No newline at end of file