diff --git a/src/ApiRepository.php b/src/ApiRepository.php
index 2258caf..7447352 100644
--- a/src/ApiRepository.php
+++ b/src/ApiRepository.php
@@ -6,7 +6,6 @@ use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Http\Message\UriInterface;
-use Ulmus\Api\Attribute\Obj\Api\ApiAction;
 use Ulmus\Api\Common\MethodEnum;
 use Ulmus\Api\RequestBuilder\Filter;
 use Ulmus\Api\RequestBuilder\UrlParameter;
@@ -16,6 +15,7 @@ use Ulmus\Api\Stream\Stream;
 use Ulmus\Api\Request\JsonRequest;
 use Ulmus\Api\Transport\CurlClient;
 use Ulmus\Api\Transport\CurlTransport;
+use Ulmus\Entity\EntityInterface;
 use Ulmus\EntityCollection;
 use Ulmus\SearchRequest\SearchRequestInterface;
 use Ulmus\Ulmus;
@@ -66,7 +66,24 @@ class ApiRepository extends \Ulmus\Repository
     {
         $response = $this->executeRequest(Attribute\Obj\Api\Create::class, $entity->entityGetDataset());
 
-        $entity->fromArray($response->getParsedBody());
+        if ($replace && $entity instanceof EntityInterface) {
+            $entity->fromArray($response->getParsedBody());
+        }
+
+        return $response->getStatusCode() === 200;
+    }
+
+    public function destroy(object $entity) : bool
+    {
+        if ( ! $this->matchEntity($entity) ) {
+            throw new \Exception("Your entity class `" . get_class($entity) . "` cannot match entity type of repository `{$this->entityClass}`");
+        }
+
+        $this->wherePrimaryKeyValue($entity);
+
+        $this->eventExecute(\Ulmus\Event\Query\Delete::class, $this, $entity);
+
+        $response = $this->executeRequest(Attribute\Obj\Api\Delete::class);
 
         return $response->getStatusCode() === 200;
     }
@@ -195,12 +212,12 @@ class ApiRepository extends \Ulmus\Repository
         return $this->entityClass::resolveEntity()->getAttributeImplementing($type);
     }
 
-    protected function callApiRequestCallback(RequestInterface $request, ApiAction $attribute) : ServerRequestInterface
+    protected function callApiRequestCallback(RequestInterface $request, Attribute\Obj\Api\ApiAction $attribute) : ServerRequestInterface
     {
         return $this->adapter->apiHandler->handleRequest($request, $attribute);
     }
 
-    protected function callApiResponseCallback(ResponseInterface $response, ApiAction $attribute) : ResponseInterface
+    protected function callApiResponseCallback(ResponseInterface $response, Attribute\Obj\Api\ApiAction $attribute) : ResponseInterface
     {
         return $this->adapter->apiHandler->handleResponse($response, $attribute);
     }
@@ -211,26 +228,6 @@ class ApiRepository extends \Ulmus\Repository
             $this->adapter->apiHandler->debugResponse($transport, $this);
         }
     }
-/*
-    public function collectionFromQuery(? string $entityClass = null) : EntityCollection
-    {
-        $entityClass ??= $this->entityClass;
-
-        $entityCollection = $entityClass::entityCollection();
-
-        $this->finalizeQuery();
-
-        foreach(Ulmus::iterateQueryBuilder($this->queryBuilder, $this->adapter) as $entityData) {
-            $entity = $this->instanciateEntity($entityClass);
-            $entity->loadedFromAdapter = $this->adapter->name;
-
-            $entityCollection->append( $entity->resetVirtualProperties()->entityFillFromDataset($entityData) );
-        }
-
-        $this->eventExecute(\Ulmus\Event\Repository\CollectionFromQueryInterface::class, $this, $entityCollection);
-
-        return $entityCollection;
-    }*/
 
     public function filterServerRequest(SearchRequestInterface $searchRequest, bool $count = true) : \Ulmus\Repository
     {
@@ -261,4 +258,36 @@ class ApiRepository extends \Ulmus\Repository
 
         return $this;
     }
+
+    public function wherePrimaryKey(mixed $value, null|string|bool $alias = self::DEFAULT_ALIAS) : self
+    {
+        $primaryKeyField = Ulmus::resolveEntity($this->entityClass)->getPrimaryKeyField();
+
+        if ( $primaryKeyField === null ) {
+            throw new \Ulmus\Exception\EntityPrimaryKeyUnknown(sprintf("No primary key found for entity %s", $this->entityClass));
+        }
+
+        $pkField = key($primaryKeyField);
+
+        return $this->where($pkField, $value);
+    }
+
+    public function wherePrimaryKeyValue(EntityInterface $entity) : self
+    {
+        $primaryKeyField = Ulmus::resolveEntity($this->entityClass)->getPrimaryKeyField();
+
+        if ( $primaryKeyField === null ) {
+            throw new \Ulmus\Exception\EntityPrimaryKeyUnknown(sprintf("No primary key found for entity %s", $this->entityClass));
+        }
+
+        $pkField = key($primaryKeyField);
+
+        $value = $entity->$pkField;
+
+        if ( $value !== 0 && empty($value) ) {
+            throw new \Ulmus\Exception\EntityPrimaryKeyUnknown(sprintf("A primary key value has to be defined to delete an item of entity %s.", $entity::class));
+        }
+
+        return $this->where($pkField, $value);
+    }
 }
\ No newline at end of file
diff --git a/src/Attribute/Obj/Api/Create.php b/src/Attribute/Obj/Api/Create.php
index d5392a5..f05d280 100644
--- a/src/Attribute/Obj/Api/Create.php
+++ b/src/Attribute/Obj/Api/Create.php
@@ -11,5 +11,6 @@ class Create extends ApiAction
         public string $url,
         public MethodEnum $method = MethodEnum::Post,
         public int $timeout = 30,
+        public MethodEnum $searchMethod = MethodEnum::Get,
     ) {}
 }
\ No newline at end of file
diff --git a/src/Attribute/Obj/Api/Delete.php b/src/Attribute/Obj/Api/Delete.php
index 9d87c50..b21fc28 100644
--- a/src/Attribute/Obj/Api/Delete.php
+++ b/src/Attribute/Obj/Api/Delete.php
@@ -11,5 +11,6 @@ class Delete extends ApiAction
         public string $url,
         public MethodEnum $method = MethodEnum::Delete,
         public int $timeout = 30,
+        public MethodEnum $searchMethod = MethodEnum::Get,
     ) {}
 }
\ No newline at end of file
diff --git a/src/Attribute/Obj/Api/Update.php b/src/Attribute/Obj/Api/Update.php
index 4f1ed1a..22e03c3 100644
--- a/src/Attribute/Obj/Api/Update.php
+++ b/src/Attribute/Obj/Api/Update.php
@@ -11,5 +11,6 @@ class Update extends ApiAction
         public string $url,
         public MethodEnum $method = MethodEnum::Patch,
         public int $timeout = 30,
+        public MethodEnum $searchMethod = MethodEnum::Get,
     ) {}
 }
\ No newline at end of file
diff --git a/src/ConnectionAdapter.php b/src/ConnectionAdapter.php
index c51c23f..9f3fb15 100644
--- a/src/ConnectionAdapter.php
+++ b/src/ConnectionAdapter.php
@@ -68,18 +68,12 @@ class ConnectionAdapter extends \Ulmus\ConnectionAdapter
 
     protected function instanciateAdapter($name): AdapterInterface
     {
-        $class = substr($name, 0, 2) === "\\" ? $name : "\\Ulmus\\Api\\Adapter\\$name";
+        if (class_exists($name)) {
+            return new $name();
+        }
+
+        $class = sprintf("\\%s\\Adapter\\%s", __NAMESPACE__, $name);
 
         return new $class();
     }
-
-    #public function apiResponseCallback(callable $callback = null) : callable|null
-    #{
-    #    return $callback ? $this->apiResponseCallback = $callback : $this->apiResponseCallback ?? fn(ResponseInterface $response) => $response;
-    #}
-
-    #public function apiRequestCallback(callable $callback = null) : callable|null
-    #{
-    #    return $callback ? $this->apiRequestCallback = $callback : $this->apiRequestCallback ?? fn(RequestInterface $request) => $request;
-    #}
 }