diff --git a/api/src/main/java/fr/gameovergne/api/controller/PrestashopProxyController.java b/api/src/main/java/fr/gameovergne/api/controller/PrestashopProxyController.java
index 1c94cbf..d592169 100644
--- a/api/src/main/java/fr/gameovergne/api/controller/PrestashopProxyController.java
+++ b/api/src/main/java/fr/gameovergne/api/controller/PrestashopProxyController.java
@@ -1,11 +1,12 @@
+// File: src/main/java/fr/gameovergne/api/controller/PrestashopProxyController.java
 package fr.gameovergne.api.controller;
 
 import fr.gameovergne.api.service.PrestashopClient;
 import jakarta.servlet.http.HttpServletRequest;
 import org.springframework.http.ResponseEntity;
+import org.springframework.util.AntPathMatcher;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.servlet.HandlerMapping;
-import org.springframework.util.AntPathMatcher;
 
 @RestController
 @RequestMapping("/api/ps")
@@ -27,9 +28,10 @@ public class PrestashopProxyController {
 
         String relativePath = new AntPathMatcher()
                 .extractPathWithinPattern(bestMatchPattern, fullPath);
+
         String path = relativePath.isEmpty() ? "/" : "/" + relativePath;
 
-        String rawQuery = request.getQueryString();
+        String rawQuery = request.getQueryString(); // déjà encodée
 
         return prestashopClient.getWithRawQuery(path, rawQuery);
     }
diff --git a/api/src/main/java/fr/gameovergne/api/service/PrestashopClient.java b/api/src/main/java/fr/gameovergne/api/service/PrestashopClient.java
index 1cd3c62..7305779 100644
--- a/api/src/main/java/fr/gameovergne/api/service/PrestashopClient.java
+++ b/api/src/main/java/fr/gameovergne/api/service/PrestashopClient.java
@@ -1,47 +1,79 @@
 package fr.gameovergne.api.service;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.*;
 import org.springframework.stereotype.Service;
-import org.springframework.util.StringUtils;
-import org.springframework.web.util.UriComponentsBuilder;
+import org.springframework.web.client.RestClientException;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.server.ResponseStatusException;
 
 import java.net.URI;
 
 @Service
 public class PrestashopClient {
 
+    private static final Logger log = LoggerFactory.getLogger(PrestashopClient.class);
+
     private final String baseUrl;
     private final String apiKey;
-    private final org.springframework.web.client.RestTemplate restTemplate =
-            new org.springframework.web.client.RestTemplate();
+    private final RestTemplate restTemplate = new RestTemplate();
 
     public PrestashopClient(
-            @Value("${prestashop.base-url}") String baseUrl,
-            @Value("${prestashop.api-key}") String apiKey
+            @Value("${prestashop.api.base-url}") String baseUrl,
+            @Value("${prestashop.api.key}") String apiKey
     ) {
-        this.baseUrl = baseUrl;
+        this.baseUrl = baseUrl;   // ex: https://shop.gameovergne.fr/api
         this.apiKey = apiKey;
+        log.info("[PrestaShop] Base URL = {}", baseUrl);
+        log.info("[PrestaShop] API key length = {}", apiKey != null ? apiKey.length() : 0);
     }
 
     public ResponseEntity<String> getWithRawQuery(String relativePath, String rawQuery) {
-
-        UriComponentsBuilder builder = UriComponentsBuilder
-                .fromHttpUrl(baseUrl)
-                .path(relativePath);
-
-        if (StringUtils.hasText(rawQuery)) {
-            builder.query(rawQuery);
+        // Normalisation du path
+        String path = (relativePath == null) ? "" : relativePath;
+        if (!path.startsWith("/")) {
+            path = "/" + path;
         }
 
-        URI uri = builder.build(true).toUri();
+        // Construction manuelle de l’URL
+        StringBuilder urlBuilder = new StringBuilder();
+        urlBuilder.append(baseUrl);
+        urlBuilder.append(path);
+
+        if (rawQuery != null && !rawQuery.isBlank()) {
+            urlBuilder.append('?').append(rawQuery);
+        }
+
+        String urlString = urlBuilder.toString();
+        log.info("[PrestaShop] GET {}", urlString);
+
+        URI uri = URI.create(urlString);
 
         HttpHeaders headers = new HttpHeaders();
         headers.set(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON_VALUE);
+        // Presta: Basic Auth avec apiKey comme user et mot de passe vide
         headers.setBasicAuth(apiKey, "");
 
         HttpEntity<Void> entity = new HttpEntity<>(headers);
 
-        return restTemplate.exchange(uri, HttpMethod.GET, entity, String.class);
+        try {
+            ResponseEntity<String> response =
+                    restTemplate.exchange(uri, HttpMethod.GET, entity, String.class);
+
+            log.info("[PrestaShop] Response {} {}", response.getStatusCode().value(),
+                    response.getBody());
+
+            return response;
+        } catch (RestClientException ex) {
+            log.error("[PrestaShop] Error calling {} : {}", urlString, ex.toString(), ex);
+            // On renvoie quelque chose de propre au client Angular
+            throw new ResponseStatusException(
+                    HttpStatus.BAD_GATEWAY,
+                    "Error while calling PrestaShop API",
+                    ex
+            );
+        }
     }
 }
\ No newline at end of file
diff --git a/api/src/main/resources/application.properties b/api/src/main/resources/application.properties
index 76903b7..74db703 100644
--- a/api/src/main/resources/application.properties
+++ b/api/src/main/resources/application.properties
@@ -12,5 +12,5 @@ spring.jpa.show-sql=true
 
 jwt.secret=a23ac96ce968bf13099d99410b951dd498118851bdfc996a3f844bd68b1b2afd
 
-prestashop.base-url=https://shop.gameovergne.fr/api
+prestashop.api.base-url=https://shop.gameovergne.fr/api
 prestashop.api-key=${PRESTASHOP_API_KEY}
\ No newline at end of file