maybe order matters?

src/main/java/cc/fascinated/backend/controller/IndexController.java

@@ -26,6 +26,15 @@ public class IndexController {
         this.pasteService = pasteService;
     }
 
+    /**
+     * This is to allow for Hastebin compatibility.
+     */
+    @PostMapping(value = "/documents")
+    public ResponseEntity<?> uploadPaste(@RequestBody String content, @RequestHeader(HttpHeaders.CONTENT_TYPE) String contentType) {
+        String id = pasteService.createPaste(content, contentType);
+        return ResponseEntity.ok(Map.of("key", id));
+    }
+
     @GetMapping(value = "/")
     public String home() {
         return "index";
@@ -55,13 +64,4 @@ public class IndexController {
             return "redirect:/";
         }
     }
-
-    /**
-     * This is to allow for Hastebin compatibility.
-     */
-    @PostMapping(value = "/documents")
-    public ResponseEntity<?> uploadPaste(@RequestBody String content, @RequestHeader(HttpHeaders.CONTENT_TYPE) String contentType) {
-        String id = pasteService.createPaste(content, contentType);
-        return ResponseEntity.ok(Map.of("key", id));
-    }
 }

src/main/resources/static/assets/script.js

@@ -32,7 +32,7 @@ const upload = async () => {
       throw new Error(data.message);
     }
 
-    window.location.href = "/" + data.id;
+    window.location.href = "/" + data.key;
   } catch (error) {
     console.error("Error:", error);
     toast(`${error.message || "An error occurred while uploading the paste."}`);