diff --git a/api/pom.xml b/api/pom.xml
index 1377aa6..bb77c35 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -100,6 +100,15 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-webflux</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.projectreactor</groupId>
+            <artifactId>reactor-test</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/api/src/main/java/fr/gameovergne/api/config/AppConfig.java b/api/src/main/java/fr/gameovergne/api/config/AppConfig.java
new file mode 100644
index 0000000..7702bdb
--- /dev/null
+++ b/api/src/main/java/fr/gameovergne/api/config/AppConfig.java
@@ -0,0 +1,14 @@
+package fr.gameovergne.api.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.reactive.function.client.WebClient;
+
+@Configuration
+public class AppConfig {
+
+    @Bean
+    public WebClient prestashopWebClient(WebClient.Builder builder) {
+        return builder.build();
+    }
+}
\ No newline at end of file
diff --git a/api/src/main/java/fr/gameovergne/api/controller/prestashop/PrestashopProxyController.java b/api/src/main/java/fr/gameovergne/api/controller/prestashop/PrestashopProxyController.java
index 5431f62..d0fa1ee 100644
--- a/api/src/main/java/fr/gameovergne/api/controller/prestashop/PrestashopProxyController.java
+++ b/api/src/main/java/fr/gameovergne/api/controller/prestashop/PrestashopProxyController.java
@@ -1,36 +1,69 @@
 package fr.gameovergne.api.controller.prestashop;
 
-import fr.gameovergne.api.service.prestashop.PrestashopClient;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
+import org.springframework.util.MultiValueMap;
 import org.springframework.web.bind.annotation.*;
-
-import jakarta.servlet.http.HttpServletRequest;
+import org.springframework.web.reactive.function.client.WebClient;
+import org.springframework.web.util.UriComponentsBuilder;
+import reactor.core.publisher.Mono;
 
 @RestController
 @RequestMapping("/api/ps")
 public class PrestashopProxyController {
 
-    private final PrestashopClient prestashopClient;
+    private final WebClient webClient;
 
-    public PrestashopProxyController(PrestashopClient prestashopClient) {
-        this.prestashopClient = prestashopClient;
+    @Value("${prestashop.api.base-url}")
+    private String prestaBaseUrl;
+
+    @Value("${prestashop.api.key}")
+    private String prestaApiKey; // ta clé déjà encodée en Base64
+
+    public PrestashopProxyController(WebClient prestashopWebClient) {
+        this.webClient = prestashopWebClient;
     }
 
-    /**
-     * Exemple simple : proxy GET sur /api/ps/** -> /api/** sur PrestaShop
-     */
-    @GetMapping("/**")
-    public ResponseEntity<String> proxyGet(HttpServletRequest request) {
-        // Exemple d’URL front : /api/ps/products?display=full
-        String fullPath = request.getRequestURI(); // ex: /api/ps/products
-        String contextPath = request.getContextPath(); // souvent ""
-        String relative = fullPath.substring(contextPath.length()); // /api/ps/products
+    // ----------- SUPPLIERS -----------
+    @GetMapping("/suppliers")
+    public ResponseEntity<String> getSuppliers(@RequestParam MultiValueMap<String, String> params) {
+        return forwardGet("/suppliers", params);
+    }
 
-        // On enlève le préfixe /api/ps pour reconstruire le path à appeler sur PrestaShop
-        String path = relative.replaceFirst("^/api/ps", ""); // -> /products
+    // ----------- CATEGORIES -----------
+    @GetMapping("/categories")
+    public ResponseEntity<String> getCategories(@RequestParam MultiValueMap<String, String> params) {
+        return forwardGet("/categories", params);
+    }
 
-        String query = request.getQueryString(); // ex: display=full
+    // ----------- MANUFACTURERS -----------
+    @GetMapping("/manufacturers")
+    public ResponseEntity<String> getManufacturers(@RequestParam MultiValueMap<String, String> params) {
+        return forwardGet("/manufacturers", params);
+    }
 
-        return prestashopClient.get(path, query);
+    // ----------- Méthode commune de forward -----------
+
+    private ResponseEntity<String> forwardGet(String resourcePath, MultiValueMap<String, String> params) {
+        // IMPORTANT : build(false) => ne PAS ré-encoder les crochets
+        UriComponentsBuilder builder = UriComponentsBuilder
+                .fromHttpUrl(prestaBaseUrl + resourcePath);
+
+        params.forEach((key, values) -> values.forEach(v -> builder.queryParam(key, v)));
+
+        String targetUrl = builder.build(false).toUriString(); // false => pas de double encodage
+
+        Mono<ResponseEntity<String>> monoResponse = webClient
+                .get()
+                .uri(targetUrl)
+                .header(HttpHeaders.AUTHORIZATION, "Basic " + prestaApiKey)
+                .accept(MediaType.APPLICATION_JSON)
+                .retrieve()
+                .toEntity(String.class);
+
+        // On bloque car ton contrôleur est synchrone (MVC)
+        return monoResponse.block();
     }
 }
\ No newline at end of file