diff --git a/src/Adapter/Rest.php b/src/Adapter/Rest.php
index 19d723d..2818a37 100644
--- a/src/Adapter/Rest.php
+++ b/src/Adapter/Rest.php
@@ -22,6 +22,8 @@ class Rest implements AdapterInterface
 
     protected array $options = [];
 
+    protected array $parameters = [];
+
     public readonly string $url;
 
     public function setup(array $configuration): void
@@ -29,15 +31,18 @@ class Rest implements AdapterInterface
         $this->url = rtrim($configuration['url'], '/');
 
         $this->authorizationMethod = AuthenticationEnum::from($configuration['auth'] ?: AuthenticationEnum::Basic->value);
-        $this->authorization = ( new CurlAuthorization() )->fromAuthenticationEnum($this->authorizationMethod, $configuration);
+        $this->authorization = new CurlAuthorization($configuration);
 
         $this->headers = $configuration['headers'] ?? [];
         $this->options = $configuration['options'] ?? [];
+        $this->parameters = $configuration['parameters'] ?? [];
     }
 
     public function connect(): object
     {
-        return new CurlClient($this->headers, $this->options, $this->authorization);
+        $this->authorization = $this->authorization->fromAuthenticationEnum($this->authorizationMethod);
+
+        return new CurlClient([], $this->options, $this->authorization);
     }
 
     public function buildDataSourceName(): string
@@ -73,4 +78,19 @@ class Rest implements AdapterInterface
     {
         return RequestBuilder::class;
     }
+
+    public function getCurlOptions() : array
+    {
+        return $this->options;
+    }
+
+    public function getHeaders() : array
+    {
+        return $this->headers;
+    }
+
+    public function getParameters() : array
+    {
+        return $this->parameters;
+    }
 }
diff --git a/src/ApiRepository.php b/src/ApiRepository.php
index 9a6133d..09abb17 100644
--- a/src/ApiRepository.php
+++ b/src/ApiRepository.php
@@ -4,10 +4,14 @@ namespace Ulmus\Api;
 
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
 use Psr\Http\Message\StreamInterface;
 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;
+use Ulmus\Api\SearchRequest\ApiSearchRequest;
 use Ulmus\Api\Stream\JsonStream;
 use Ulmus\Api\Stream\Stream;
 use Ulmus\Api\Request\JsonRequest;
@@ -16,6 +20,7 @@ use Ulmus\Api\Transport\CurlClient;
 use Ulmus\Api\Transport\CurlTransport;
 use Ulmus\EntityCollection;
 use Ulmus\SearchRequest\SearchRequestInterface;
+use Ulmus\Ulmus;
 
 class ApiRepository extends \Ulmus\Repository
 {
@@ -23,8 +28,6 @@ class ApiRepository extends \Ulmus\Repository
 
     public CurlClient $client;
 
-    protected array $urlParameters = [];
-
     public ResponseInterface $lastResponse;
 
     public function __construct(string $entity, string $alias = self::DEFAULT_ALIAS, ConnectionAdapter $adapter = null)
@@ -34,18 +37,33 @@ class ApiRepository extends \Ulmus\Repository
 
     public function loadOne(): ? object
     {
-        $response = $this->executeRequest(Attribute\Obj\Api\Read::class);
+        return $this->loadOneFromAttribute(Attribute\Obj\Api\Read::class);
+    }
+
+    public function loadOneFromAttribute(string $attributeClass): ? object
+    {
+        $response = $this->executeRequest($attributeClass);
 
         return $this->instanciateEntity()->fromArray($response->getParsedBody());
     }
 
     public function loadAll() : EntityCollection
     {
-        $response = $this->executeRequest(Attribute\Obj\Api\Collection::class);
+        return $this->loadAllFromAttribute(Attribute\Obj\Api\Collection::class);
+    }
+
+    public function loadAllFromAttribute(string $attributeClass) : EntityCollection
+    {
+        $response = $this->executeRequest($attributeClass);
 
         return $this->instanciateEntityCollection()->fromArray($response->getParsedBody());
     }
 
+    public function search() : EntityCollection
+    {
+        return $this->loadAllFromAttribute(Attribute\Obj\Api\Search::class);
+    }
+
     public function save(object|array $entity, ?array $fieldsAndValue = null, bool $replace = false): bool
     {
         $response = $this->executeRequest(Attribute\Obj\Api\Create::class, $entity->entityGetDataset());
@@ -63,38 +81,35 @@ class ApiRepository extends \Ulmus\Repository
             throw new \RuntimeException(sprintf("Could not find attribute class '%s' for class '%s'", $attributeClass, $this->entityClass));
         }
 
-        $request = $this->prepareRequest($this->buildRequestUrl($attribute->url), $attribute->method, $data);
+        $request = $this->prepareRequest($this->buildRequestUrl($attribute->url), $attribute->method, $data, $this->adapter->adapter()->getHeaders(), $this->adapter->adapter()->getParameters());
 
-        # @TODO !! SET HEADERS FROM CONFIG IN REQUEST HERE INSTEAD OF DIRECTLY IN TRANSPORT !
-        # $request->withAddedHeader()
+        $request = $this->compileRequestParameters($request, $attribute);
 
-        $request = $this->callApiRequestCallback($request, $attribute);
+        $this->callApiRequestCallback($request, $attribute);
 
-        $transport = $this->adapter->adapter()->connect();
-
-        $transport->timeout = $attribute->timeout;
-
-        $this->lastResponse = $response = $transport->fromRequest($request);
+        $response = $this->launchRequest($request, $attribute);
 
         $response = $this->callApiResponseCallback($response, $attribute);
 
-        $this->callApiDebugCallback($transport);
-
         return $response;
     }
 
-    public function bindUrl(string $parameter, mixed $value) : self
+    protected function buildRequestUrl(string $uri) : string
     {
-        $this->urlParameters[$parameter] = $value;
-
-        return $this;
+        return $this->adapter->adapter()->url . '/' . ltrim($uri, '/');
     }
 
-    protected function buildRequestUrl(string $uri) :string
+    protected function launchRequest(RequestInterface $request, object $attribute) : ResponseInterface
     {
-        $uri = $this->prepareUri($uri, $this->urlParameters);
+        $transport = $this->adapter->adapter()->connect();
 
-        return $this->adapter->adapter()->url . '/' . ltrim($uri, '/');
+        $transport->timeout = $attribute->timeout;
+
+        $this->lastResponse = $transport->fromRequest($request);
+
+        $this->callApiDebugCallback($transport);
+
+        return $this->lastResponse;
     }
 
     protected function prepareUri(string $route, array $arguments) : string
@@ -135,9 +150,46 @@ class ApiRepository extends \Ulmus\Repository
         return $route;
     }
 
-    protected function prepareRequest(string|UriInterface $uri, MethodEnum $method, mixed $body = null, array $headers = []) : RequestInterface
+    protected function prepareRequest(string|UriInterface $uri, MethodEnum $method, mixed $body = null, array $headers = [], array $queryParameters = []) : ServerRequestInterface
     {
-        return new JsonRequest($uri, $method, $body === null ? Stream::fromTemp() : JsonStream::fromContent($body), $headers);
+        $request = new JsonRequest($uri, $method, $body === null ? Stream::fromTemp() : JsonStream::fromContent($body), $headers);
+
+        # Adding parameters
+        $request = $request->withQueryParams($queryParameters);
+
+        return $request;
+    }
+
+    protected function compileRequestParameters(ServerRequestInterface $request, object $attribute) : ServerRequestInterface
+    {
+        $requestOptions = $this->queryBuilder->render();
+
+        $request = $this->applyFiltering($request, $attribute, $requestOptions[Filter::KEY] ?? []);
+
+        $request = $this->applyUrlBinding($request, $attribute, $requestOptions[UrlParameter::KEY] ?? []);
+
+        return $request;
+    }
+
+    protected function applyUrlBinding(ServerRequestInterface $request, object $attribute, array $bindings) : ServerRequestInterface
+    {
+        $uriObj = $request->getUri();
+
+        $uri = $this->prepareUri($request->getUri()->render(), $bindings);
+
+        return $request->withUri($uriObj->from($uri));
+    }
+
+    protected function applyFiltering(ServerRequestInterface $request, object $attribute, array $filters) : ServerRequestInterface
+    {
+        if ($attribute->searchMethod === MethodEnum::Get) {
+            $request = $request->withQueryParams($filters);
+        }
+        elseif ($attribute->searchMethod === MethodEnum::POST) {
+            $request = $request->withParsedBody($filters);
+        }
+
+        return $request;
     }
 
     public function getApiAttribute(string $type) : ? object
@@ -145,7 +197,7 @@ class ApiRepository extends \Ulmus\Repository
         return $this->entityClass::resolveEntity()->getAttributeImplementing($type);
     }
 
-    protected function callApiRequestCallback(RequestInterface $request, ApiAction $attribute) : RequestInterface
+    protected function callApiRequestCallback(RequestInterface $request, ApiAction $attribute) : ServerRequestInterface
     {
         return $this->adapter->apiHandler->handleRequest($request, $attribute);
     }
@@ -160,19 +212,53 @@ class ApiRepository extends \Ulmus\Repository
         $this->adapter->apiHandler->debugResponse($transport, $this);
     }
 
-    public function filterServerRequest(SearchRequestInterface $searchRequest, bool $count = true) : self
+    public function collectionFromQuery(? string $entityClass = null) : EntityCollection
     {
-        return $searchRequest->filter($this)
-            ->wheres($searchRequest->wheres(), \Ulmus\Query\Where::OPERATOR_EQUAL, \Ulmus\Query\Where::CONDITION_AND)
-            ->likes($searchRequest->likes(), \Ulmus\Query\Where::CONDITION_OR)
-            ->orders($searchRequest->orders())
-            ->groups($searchRequest->groups())
-            ->offset($searchRequest->offset())
-            ->limit($searchRequest->limit());
+        $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, $entityCollection);
+
+        return $entityCollection;
+    }
+
+    public function filterServerRequest(SearchRequestInterface $searchRequest, bool $count = true) : \Ulmus\Repository
+    {
+        if ($searchRequest instanceof ApiSearchRequest) {
+            $this->bindings($searchRequest->bindings());
+        }
+
+        return parent::filterServerRequest($searchRequest, false);
     }
 
     public function count(): int
     {
         return 0;
     }
+
+    public function bindUrl(string|\Stringable $field, mixed $value) : self
+    {
+        $this->queryBuilder->bindUrl($field, $value);
+
+        return $this;
+    }
+
+    public function bindings(array $fieldValues) : self
+    {
+        foreach($fieldValues as $field => $value) {
+            $this->bindUrl($field, $value);
+        }
+
+        return $this;
+    }
 }
\ No newline at end of file
diff --git a/src/Attribute/Obj/Api/ApiAction.php b/src/Attribute/Obj/Api/ApiAction.php
index 0fe6fa5..f1e6cee 100644
--- a/src/Attribute/Obj/Api/ApiAction.php
+++ b/src/Attribute/Obj/Api/ApiAction.php
@@ -11,5 +11,7 @@ abstract class ApiAction
         public string $url,
         public MethodEnum $method,
         public int $timeout = 30,
+        # Define how the search string will be build, passing params through the URL or into request's body
+        public MethodEnum $searchMethod = MethodEnum::Get,
     ) {}
 }
\ No newline at end of file
diff --git a/src/Attribute/Obj/Api/Collection.php b/src/Attribute/Obj/Api/Collection.php
index 6b47878..26199bb 100644
--- a/src/Attribute/Obj/Api/Collection.php
+++ b/src/Attribute/Obj/Api/Collection.php
@@ -5,10 +5,12 @@ namespace Ulmus\Api\Attribute\Obj\Api;
 use Ulmus\Api\Common\MethodEnum;
 
 #[\Attribute(\Attribute::TARGET_CLASS)]
-class Collection extends ApiAction {
+class Collection extends ApiAction
+{
     public function __construct(
         public string $url,
         public MethodEnum $method = MethodEnum::Get,
         public int $timeout = 30,
+        public MethodEnum $searchMethod = MethodEnum::Get,
     ) {}
 }
\ No newline at end of file
diff --git a/src/Attribute/Obj/Api/Create.php b/src/Attribute/Obj/Api/Create.php
index 4eff2ee..d5392a5 100644
--- a/src/Attribute/Obj/Api/Create.php
+++ b/src/Attribute/Obj/Api/Create.php
@@ -5,7 +5,8 @@ namespace Ulmus\Api\Attribute\Obj\Api;
 use Ulmus\Api\Common\MethodEnum;
 
 #[\Attribute(\Attribute::TARGET_CLASS)]
-class Create extends ApiAction {
+class Create extends ApiAction
+{
     public function __construct(
         public string $url,
         public MethodEnum $method = MethodEnum::Post,
diff --git a/src/Attribute/Obj/Api/Delete.php b/src/Attribute/Obj/Api/Delete.php
index 67c486b..9d87c50 100644
--- a/src/Attribute/Obj/Api/Delete.php
+++ b/src/Attribute/Obj/Api/Delete.php
@@ -5,7 +5,8 @@ namespace Ulmus\Api\Attribute\Obj\Api;
 use Ulmus\Api\Common\MethodEnum;
 
 #[\Attribute(\Attribute::TARGET_CLASS)]
-class Delete extends ApiAction {
+class Delete extends ApiAction
+{
     public function __construct(
         public string $url,
         public MethodEnum $method = MethodEnum::Delete,
diff --git a/src/Attribute/Obj/Api/Read.php b/src/Attribute/Obj/Api/Read.php
index c70ac54..79e835e 100644
--- a/src/Attribute/Obj/Api/Read.php
+++ b/src/Attribute/Obj/Api/Read.php
@@ -5,10 +5,12 @@ namespace Ulmus\Api\Attribute\Obj\Api;
 use Ulmus\Api\Common\MethodEnum;
 
 #[\Attribute(\Attribute::TARGET_CLASS)]
-class Read extends ApiAction {
+class Read extends ApiAction
+{
     public function __construct(
         public string $url,
         public MethodEnum $method = MethodEnum::Get,
         public int $timeout = 30,
+        public MethodEnum $searchMethod = MethodEnum::Get,
     ) {}
 }
\ No newline at end of file
diff --git a/src/Attribute/Obj/Api/Search.php b/src/Attribute/Obj/Api/Search.php
new file mode 100644
index 0000000..cb4f36e
--- /dev/null
+++ b/src/Attribute/Obj/Api/Search.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace Ulmus\Api\Attribute\Obj\Api;
+
+use Ulmus\Api\Common\MethodEnum;
+
+#[\Attribute(\Attribute::TARGET_CLASS)]
+class Search extends ApiAction
+{
+    public function __construct(
+        public string $url,
+        public MethodEnum $method = MethodEnum::Get,
+        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 1049413..4f1ed1a 100644
--- a/src/Attribute/Obj/Api/Update.php
+++ b/src/Attribute/Obj/Api/Update.php
@@ -5,7 +5,8 @@ namespace Ulmus\Api\Attribute\Obj\Api;
 use Ulmus\Api\Common\MethodEnum;
 
 #[\Attribute(\Attribute::TARGET_CLASS)]
-class Update extends ApiAction {
+class Update extends ApiAction
+{
     public function __construct(
         public string $url,
         public MethodEnum $method = MethodEnum::Patch,
diff --git a/src/Common/JsonMessageTrait.php b/src/Common/JsonMessageTrait.php
index c15c29e..6554d88 100644
--- a/src/Common/JsonMessageTrait.php
+++ b/src/Common/JsonMessageTrait.php
@@ -7,12 +7,12 @@ use Ulmus\Api\Stream\JsonStream;
 
 trait JsonMessageTrait
 {
-    public function getParsedBody(): mixed
+    public function getParsedBody() : null|array|object
     {
         return JsonStream::fromJsonEncoded( $this->getBody()->getContents() )->decode() ;
     }
 
-    public function withParsedBody(mixed $data) : MessageInterface
+    public function withParsedBody(mixed $data) : static
     {
         return (clone $this)->setBody(
             JsonStream::fromContent($data)
diff --git a/src/Common/StreamOutputInterface.php b/src/Common/StreamOutputInterface.php
index 3b1baf0..0e6f6f6 100644
--- a/src/Common/StreamOutputInterface.php
+++ b/src/Common/StreamOutputInterface.php
@@ -7,5 +7,5 @@ use Psr\Http\Message\MessageInterface;
 interface StreamOutputInterface
 {
     public function getParsedBody() : mixed;
-    public function withParsedBody(mixed $data) : MessageInterface;
+    public function withParsedBody(mixed $data) : static;
 }
\ No newline at end of file
diff --git a/src/Request/Request.php b/src/Request/Request.php
index a276aa6..de1e99c 100644
--- a/src/Request/Request.php
+++ b/src/Request/Request.php
@@ -2,13 +2,11 @@
 
 namespace Ulmus\Api\Request;
 
-use League\CommonMark\Block\Element\StringContainerInterface;
-use Psr\Http\Message\RequestInterface;
-use Psr\Http\Message\StreamInterface;
-use Psr\Http\Message\UriInterface;
-use Ulmus\Api\Common\{MethodEnum, Message, Stream, Uri};
+use Ulmus\Api\Common\{MethodEnum, Message, Uri, };
+use Ulmus\Api\Stream\{JsonStream, Stream};
+use Psr\Http\Message\{MessageInterface, ServerRequestInterface, UriInterface, RequestInterface, StreamInterface};
 
-class Request extends Message implements RequestInterface
+class Request extends Message implements ServerRequestInterface
 {
     protected int $code;
 
@@ -20,6 +18,10 @@ class Request extends Message implements RequestInterface
 
     protected MethodEnum $method;
 
+    protected array $cookies = [];
+
+    protected array $files = [];
+
     public function __construct(string|UriInterface $uri, MethodEnum $method, null|StreamInterface $stream = null, array $headers = [])
     {
         $this->method = $method;
@@ -70,9 +72,9 @@ class Request extends Message implements RequestInterface
         return $this;
     }
 
-    public function getUri()
+    public function getUri() : UriInterface
     {
-        return (string) $this->uri;
+        return $this->uri;
     }
 
     public function withUri(UriInterface $uri, $preserveHost = false)
@@ -101,4 +103,115 @@ class Request extends Message implements RequestInterface
             $fromUri->getHost(), $port && ! in_array($port, Uri::IGNORE_HTTP_PORT) ? ":{$port}" : ""
         ]);
     }
-}
\ No newline at end of file
+
+    public function withQueryParams(array $query) : static
+    {
+        return (clone $this)->addQueryParams($query);
+    }
+
+    protected function addQueryParams(array $query) : static
+    {
+        $rebuilt = http_build_query(array_merge($this->getQueryParams(), $query), "", null,  PHP_QUERY_RFC3986);
+
+        $this->getUri()->withQuery($rebuilt);
+
+        return $this;
+    }
+
+    public function getServerParams() : array
+    {
+        return [];
+    }
+
+    public function getCookieParams() : array
+    {
+        return $this->cookies;
+    }
+
+    public function withCookieParams(array $cookies) : static
+    {
+        return (clone $this)->setCookies($cookies);
+    }
+
+    protected function setCookies(array $cookies) : static
+    {
+        $this->cookies = $cookies;
+
+        return $this;
+    }
+
+    public function getQueryParams() : array
+    {
+        parse_str($this->getUri()->getQuery(), $query);
+
+        return $query;
+    }
+
+    public function getUploadedFiles() : array
+    {
+        return $this->files;
+    }
+
+    public function withUploadedFiles(array $uploadedFiles) : static
+    {
+        return (clone $this)->setUploadedFiles($uploadedFiles);
+    }
+
+    protected function setUploadedFiles(array $uploadedFiles) : static
+    {
+        $this->files = $uploadedFiles;
+
+        return $this;
+    }
+
+    public function getParsedBody() : null|array|object
+    {
+        $raw = $this->getBody()->getContents();
+
+        $contentType = $this->getHeader('Content-Type')[0] ?? "application/x-www-form-urlencoded";
+
+        switch($contentType) {
+            case "application/x-www-form-urlencoded":
+                parse_str($raw, $result);
+
+                return $result;
+
+            case "multipart/form-data":
+
+                return [];
+
+            case "application/json":
+                return JsonStream::fromJsonEncoded( $raw )->decode();
+
+        }
+
+        return [ sprintf("Unsupported content type: %s", $contentType) ];
+    }
+
+    public function withParsedBody(mixed $data) : static
+    {
+        return (clone $this)->setBody(
+            JsonStream::fromContent($data)
+        );
+    }
+
+    public function getAttributes() : array
+    {
+        // TODO: Implement getAttributes() method.
+    }
+
+    public function getAttribute($name, $default = null) : mixed
+    {
+        // TODO: Implement getAttribute() method.
+    }
+
+    public function withAttribute($name, $value) : static
+    {
+        // TODO: Implement withAttribute() method.
+    }
+
+    public function withoutAttribute($name): static
+    {
+        // TODO: Implement withoutAttribute() method.
+    }
+}
diff --git a/src/RequestBuilder.php b/src/RequestBuilder.php
index df9ebd7..c34ac6b 100644
--- a/src/RequestBuilder.php
+++ b/src/RequestBuilder.php
@@ -2,23 +2,19 @@
 
 namespace Ulmus\Api;
 
-use Ulmus;
+use Ulmus, Ulmus\Query\QueryFragmentInterface;
 
-class RequestBuilder implements Ulmus\Query\QueryBuilderInterface
+class RequestBuilder implements Ulmus\QueryBuilder\QueryBuilderInterface
 {
-    public Ulmus\Query\QueryBuilderInterface $parent;
+    public Ulmus\QueryBuilder\QueryBuilderInterface $parent;
 
-    public array $parameters = [];
+    public RequestBuilder\Filter $filters;
 
-    public array $values = [];
-
-    public string $whereConditionOperator = Ulmus\Query\Where::CONDITION_AND;
-
-    public string $havingConditionOperator = Ulmus\Query\Where::CONDITION_AND;
+    public RequestBuilder\UrlParameter $urlParameters;
 
     protected int $parameterIndex = 0;
 
-    protected array $queryStack = [];
+    protected array $queryParamStack = [];
 
     public function values(array $dataset) : self
     {
@@ -27,33 +23,36 @@ class RequestBuilder implements Ulmus\Query\QueryBuilderInterface
         return $this;
     }
 
-    public function where(/* stringable*/ $field, $value, string $operator = Ulmus\Query\Where::OPERATOR_EQUAL, string $condition = Ulmus\Query\Where::CONDITION_AND, bool $not = false) : self
+    public function where(\Stringable|string $field, mixed $value,) : self
     {
-        # Empty IN case
-        if ( [] === $value ) {
-            return $this;
+        if ( empty($this->filters) && ! $this->getFragment(RequestBuilder\Filter::class) ) {
+            $this->filters = new RequestBuilder\Filter();
+            $this->push($this->filters);
         }
 
-        if ( $this->where ?? false ) {
-            $where = $this->where;
-        }
-        elseif ( null === ( $where = $this->getFragment(RequestBuilder\Filter::class) ) ) {
-            $this->where = $where = new RequestBuilder\Filter($this);
-            $this->push($where);
-        }
-
-        $this->whereConditionOperator = $operator;
-
-        $where->add($field, $value, $operator, $condition, $not);
+        $this->filters->add($field, $value);
 
         return $this;
     }
 
-    public function notWhere($field, $value, string $operator = Ulmus\Query\Where::CONDITION_AND) : self
+    public function bindUrl(\Stringable|string $field, mixed $value,) : self
     {
-        return $this->where($field, $value, $operator, true);
+        if ( empty($this->urlParameters) && ! $this->getFragment(RequestBuilder\UrlParameter::class) ) {
+            $this->urlParameters = new RequestBuilder\UrlParameter();
+            $this->push($this->urlParameters);
+        }
+
+        $this->urlParameters->add($field, $value);
+
+        return $this;
     }
 
+
+    /*public function notWhere($field, mixed $value) : self
+    {
+        return $this->filters($field, $value);
+    }*/
+
     public function limit(int $value) : self
     {
         /*if ( null === $limit = $this->getFragment(Ulmus\Query\Limit::class) ) {
@@ -68,12 +67,12 @@ class RequestBuilder implements Ulmus\Query\QueryBuilderInterface
 
     public function offset(int $value) : self
     {
-        if ( null === $offset = $this->getFragment(Ulmus\Query\Offset::class) ) {
+       /*if ( null === $offset = $this->getFragment(Ulmus\Query\Offset::class) ) {
             $offset = new Ulmus\Query\Offset();
             $this->push($offset);
         }
 
-        $offset->set($value);
+        $offset->set($value);*/
 
         return $this;
     }
@@ -83,23 +82,23 @@ class RequestBuilder implements Ulmus\Query\QueryBuilderInterface
         return $this;
     }
 
-    public function push(Ulmus\Query\Fragment $queryFragment) : self
+    public function push(QueryFragmentInterface $queryFragment) : self
     {
-        $this->queryStack[] = $queryFragment;
+        $this->queryParamStack[] = $queryFragment;
 
         return $this;
     }
 
-    public function pull(Ulmus\Query\Fragment $queryFragment) : self
+    public function pull(QueryFragmentInterface $queryFragment) : self
     {
-        return array_shift($this->queryStack);
+        return array_shift($this->queryParamStack);
     }
 
     public function render(bool $skipToken = false) : array
     {
         $stack = [];
 
-        foreach($this->queryStack as $fragment) {
+        foreach($this->queryParamStack as $fragment) {
             $stack = array_merge($stack, (array) $fragment->render($skipToken));
         }
 
@@ -108,16 +107,12 @@ class RequestBuilder implements Ulmus\Query\QueryBuilderInterface
 
     public function reset() : void
     {
-        $this->parameters = $this->values = $this->queryStack = [];
-        $this->whereConditionOperator = Ulmus\Query\Where::CONDITION_AND;
-        $this->parameterIndex = 0;
-
-        unset($this->where);
+        unset($this->filters);
     }
 
-    public function getFragment(string $class, int $index = 0) : ? Ulmus\Query\Fragment
+    public function getFragment(string $class, int $index = 0) : ? QueryFragmentInterface
     {
-        foreach($this->queryStack as $item) {
+        foreach($this->queryParamStack as $item) {
             if ( get_class($item) === $class ) {
                 if ( $index-- === 0 ) {
                     return $item;
@@ -128,11 +123,11 @@ class RequestBuilder implements Ulmus\Query\QueryBuilderInterface
         return null;
     }
 
-    public function removeFragment(\Ulmus\Query\Fragment|array|\Stringable|string $fragment) : void
+    public function removeFragment(QueryFragmentInterface|array|\Stringable|string $fragment) : void
     {
-        foreach($this->queryStack as $key => $item) {
+        foreach($this->queryParamStack as $key => $item) {
             if ( $item === $fragment ) {
-                unset($this->queryStack[$key]);
+                unset($this->queryParamStack[$key]);
             }
         }
     }
@@ -141,24 +136,4 @@ class RequestBuilder implements Ulmus\Query\QueryBuilderInterface
     {
         return $this->render();
     }
-
-    public function addParameter($value, string $key = null) : string
-    {
-        if ( $this->parent ?? false ) {
-            return $this->parent->addParameter($value, $key);
-        }
-
-        if ( $key === null ) {
-            $key = ":p" . $this->parameterIndex++;
-        }
-
-        $this->parameters[$key] = $value;
-
-        return $key;
-    }
-
-    public function addValues(array $values) : void
-    {
-        $this->values = $values;
-    }
 }
diff --git a/src/RequestBuilder/Filter.php b/src/RequestBuilder/Filter.php
new file mode 100644
index 0000000..b81e084
--- /dev/null
+++ b/src/RequestBuilder/Filter.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Ulmus\Api\RequestBuilder;
+
+class Filter extends Fragment
+{
+    public const KEY = "filters";
+
+    public array $conditionList;
+
+    public function add($field, mixed $value) : self
+    {
+        $this->conditionList[$field] = $value;
+
+        return $this;
+    }
+
+    public function render() : array
+    {
+        return [
+            static::KEY => $this->conditionList
+        ];
+    }
+}
diff --git a/src/RequestBuilder/Fragment.php b/src/RequestBuilder/Fragment.php
new file mode 100644
index 0000000..3d36770
--- /dev/null
+++ b/src/RequestBuilder/Fragment.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Ulmus\Api\RequestBuilder;
+
+use Ulmus\Query\QueryFragmentInterface;
+
+abstract class Fragment implements QueryFragmentInterface {
+
+    protected int $encodingType = \PHP_QUERY_RFC3986;
+
+    protected ? string $querySeparator = null;
+
+    public abstract function render() : array;
+}
diff --git a/src/RequestBuilder/Pagination.php b/src/RequestBuilder/Pagination.php
new file mode 100644
index 0000000..f95152e
--- /dev/null
+++ b/src/RequestBuilder/Pagination.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace Ulmus\Api\RequestBuilder;
+
+class Pagination extends Fragment {
+
+    public array $conditionList;
+
+    public function add($field, mixed $value) : self
+    {
+        $this->conditionList[$field] = $value;
+
+        return $this;
+    }
+
+    public function render(bool $skipToken = false) : string
+    {
+        return http_build_query($this->conditionList);
+    }
+}
diff --git a/src/RequestBuilder/UrlParameter.php b/src/RequestBuilder/UrlParameter.php
new file mode 100644
index 0000000..7d838aa
--- /dev/null
+++ b/src/RequestBuilder/UrlParameter.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Ulmus\Api\RequestBuilder;
+
+class UrlParameter extends Fragment
+{
+    public const KEY = "bindings";
+
+    public array $conditionList;
+
+    public function add($field, mixed $value) : self
+    {
+        $this->conditionList[$field] = $value;
+
+        return $this;
+    }
+
+    public function render() : array
+    {
+        return [
+            static::KEY => $this->conditionList
+        ];
+    }
+}
diff --git a/src/SearchRequest/ApiSearchRequest.php b/src/SearchRequest/ApiSearchRequest.php
new file mode 100644
index 0000000..fd1c8b0
--- /dev/null
+++ b/src/SearchRequest/ApiSearchRequest.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace Ulmus\Api\SearchRequest;
+
+use Psr\Http\Message\ServerRequestInterface;
+use Ulmus\{Api\SearchRequest\Attribute\BindParameter,
+    Repository,
+    SearchRequest\SearchMethodEnum,
+    SearchRequest\SearchRequest,
+    SearchRequest\SearchRequestFromRequestTrait,
+    SearchRequest\SearchRequestInterface,
+    SearchRequest\SearchRequestPaginationTrait};
+
+class ApiSearchRequest extends SearchRequest implements SearchRequestInterface
+{
+    use SearchRequestPaginationTrait, SearchRequestFromRequestTrait {
+        parseAttributeMethod as parseAttributeMethodParent;
+    }
+
+    protected array $bindings = [];
+
+    public function bindings(): iterable
+    {
+        return array_filter($this->bindings + [
+
+        ], fn($i) => !is_null($i)) + [];
+    }
+
+    protected function parseAttributeMethod(object $attribute, string $field, string $propertyName,): void
+    {
+        switch ($attribute->method) {
+            case SearchMethodEnum::Manual:
+                if ($attribute instanceof BindParameter) {
+                    $this->bindings[$field] = $this->$propertyName;
+                }
+                break;
+
+            default:
+                $this->parseAttributeMethodParent($attribute, $field, $propertyName);
+                break;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/SearchRequest/Attribute/BindParameter.php b/src/SearchRequest/Attribute/BindParameter.php
new file mode 100644
index 0000000..093f9b9
--- /dev/null
+++ b/src/SearchRequest/Attribute/BindParameter.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace Ulmus\Api\SearchRequest\Attribute;
+
+use Ulmus\SearchRequest\{ SearchMethodEnum, Attribute\SearchParameter };
+
+#[\Attribute(\Attribute::TARGET_PROPERTY)]
+class BindParameter extends SearchParameter
+{
+    public function __construct(
+        public ? string $parameter = null,
+        public ? string $field = null,
+        public bool $toggle = false,
+        public SearchMethodEnum $method = SearchMethodEnum::Manual,
+    ) {}
+}
\ No newline at end of file
diff --git a/src/Transport/CurlAuthorization.php b/src/Transport/CurlAuthorization.php
index 58b1cbf..258d85a 100644
--- a/src/Transport/CurlAuthorization.php
+++ b/src/Transport/CurlAuthorization.php
@@ -7,39 +7,43 @@ use Ulmus\Api\Common\AuthenticationEnum;
 
 class CurlAuthorization
 {
-    public array $headers = [];
+    public function __construct(
+        #[\SensitiveParameter]
+        public array $configuration,
+        #[\SensitiveParameter]
+        public array $headers = [],
+        public array $options = [],
+    ) { }
 
-    public array $options = [];
-
-    public function fromAuthenticationEnum(AuthenticationEnum $auth, #[\SensitiveParameter] array $configuration,) : static
+    public function fromAuthenticationEnum(AuthenticationEnum $auth,) : static
     {
         switch($auth) {
             case AuthenticationEnum::Bearer:
-                $this->bearer($configuration['token']);
+                $this->bearer($this->configuration['token']);
                 break;
 
             case AuthenticationEnum::Key:
-                $this->key($configuration['token']);
+                $this->key($this->configuration['token']);
                 break;
 
             case AuthenticationEnum::Token:
-                $this->token($configuration['token']);
+                $this->token($this->configuration['token']);
                 break;
 
             case AuthenticationEnum::Basic:
-                $this->basic($configuration['username'], $configuration['password']);
+                $this->basic($this->configuration['username'], $this->configuration['password']);
                 break;
 
             case AuthenticationEnum::Ntlm:
-                $this->ntlm($configuration['username'], $configuration['password']);
+                $this->ntlm($this->configuration['username'], $this->configuration['password']);
                 break;
 
             case AuthenticationEnum::Negotiate:
-                $this->negotiate($configuration['username'], $configuration['password']);
+                $this->negotiate($this->configuration['username'], $this->configuration['password']);
                 break;
 
             case AuthenticationEnum::OAuth2:
-                $this->oauth2($configuration['grant'], $configuration['oauth_token_url'], $configuration['redirect_uri'], $configuration['client_id'], $configuration['client_secret'], $configuration['scope']);
+                $this->oauth2($this->configuration['grant'], $this->configuration['oauth_token_url'], $this->configuration['redirect_uri'], $this->configuration['client_id'], $this->configuration['client_secret'], $this->configuration['scope']);
                 break;
         }
 
@@ -94,11 +98,11 @@ class CurlAuthorization
 
     public function oauth2(Oauth2GrantTypeEnum $grant, string $oauthTokenUrl, string $redirectUri, string $clientId, string $clientSecret, string $scope) : void
     {
-        #return;
+        $unid = sprintf("oauth_token_%s", md5(serialize($this->configuration)));
 
-        # TMP !
-        if (false === ($_SESSION['grics_token'] ?? false)) {
-            # IF NO TOKEN OR TIMEOUT
+        $token = apcu_fetch($unid, $exists);
+
+        if ( ! $exists ) {
             $provider = new GenericProvider([
                 'clientId'                => $clientId,
                 'clientSecret'            => $clientSecret,
@@ -111,22 +115,27 @@ class CurlAuthorization
 
             try {
                 $accessToken = $provider->getAccessToken($grant->value);
-                $_SESSION['grics_token'] = $accessToken->getToken();
+                $token = json_encode($accessToken);
 
-               # var_dump($accessToken); die();
-
-                # KEEP TOKEN IN APCU !
-            } catch (\League\OAuth2\Client\Provider\Exception\IdentityProviderException $e) {
-                // Failed to get the access token
-                exit($e->getMessage());
+                apcu_store($unid, $token, $accessToken->getExpires() - time() - 10);
+            }
+            catch (\League\OAuth2\Client\Provider\Exception\IdentityProviderException $e) {
+                throw $e;
             }
         }
 
+        try {
+            $decodedToken = json_decode($token, true, 512, JSON_THROW_ON_ERROR);
+        }
+        catch(\Exception $ex) {
+            throw new \InvalidArgumentException("Given OAuth2 token is not a parsable JSON stream.");
+        }
 
-        $this->bearer($_SESSION['grics_token']);
+        if ( empty($decodedToken) ) {
+            throw new \InvalidArgumentException("Given OAuth Token is empty");
+        }
 
-        #var_dump($_SESSION['grics_token']);die();
-        # SWITCH TO BEARER AUTH TYPE, SET TOKEN FROM APCU IF STILL VALID
+        $this->bearer($decodedToken['access_token']);
     }
 
     protected function userpass(int $authType, string $username, #[\SensitiveParameter] $password) : void