diff --git a/app/Http/Controllers/Api/ServicesController.php b/app/Http/Controllers/Api/ServicesController.php
index 295c5666c..27fdb1ba8 100644
--- a/app/Http/Controllers/Api/ServicesController.php
+++ b/app/Http/Controllers/Api/ServicesController.php
@@ -12,6 +12,7 @@
 use App\Models\Server;
 use App\Models\Service;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Validator;
 use OpenApi\Attributes as OA;
 use Symfony\Component\Yaml\Yaml;
 
@@ -37,6 +38,100 @@ private function removeSensitiveData($service)
         return serializeApiResponse($service);
     }
 
+    private function applyServiceUrls(Service $service, array $urlsArray, string $teamId, bool $forceDomainOverride = false): ?array
+    {
+        $errors = [];
+        $conflicts = [];
+
+        $urls = collect($urlsArray)->flatMap(function ($item) {
+            $urlValue = data_get($item, 'url');
+            if (blank($urlValue)) {
+                return [];
+            }
+
+            return str($urlValue)->replaceStart(',', '')->replaceEnd(',', '')->trim()->explode(',')->map(fn ($url) => trim($url))->filter();
+        });
+
+        $urls = $urls->map(function ($url) use (&$errors) {
+            if (! filter_var($url, FILTER_VALIDATE_URL)) {
+                $errors[] = "Invalid URL: {$url}";
+
+                return $url;
+            }
+            $scheme = parse_url($url, PHP_URL_SCHEME) ?? '';
+            if (! in_array(strtolower($scheme), ['http', 'https'])) {
+                $errors[] = "Invalid URL scheme: {$scheme} for URL: {$url}. Only http and https are supported.";
+            }
+
+            return $url;
+        });
+
+        $duplicates = $urls->duplicates()->unique()->values();
+        if ($duplicates->isNotEmpty() && ! $forceDomainOverride) {
+            $errors[] = 'The current request contains conflicting URLs across containers: '.implode(', ', $duplicates->toArray()).'. Use force_domain_override=true to proceed.';
+        }
+
+        if (count($errors) > 0) {
+            return ['errors' => $errors];
+        }
+
+        collect($urlsArray)->each(function ($item) use ($service, $teamId, $forceDomainOverride, &$errors, &$conflicts) {
+            $name = data_get($item, 'name');
+            $containerUrls = data_get($item, 'url');
+
+            if (blank($name)) {
+                $errors[] = 'Service container name is required to apply URLs.';
+
+                return;
+            }
+
+            $application = $service->applications()->where('name', $name)->first();
+            if (! $application) {
+                $errors[] = "Service container with '{$name}' not found.";
+
+                return;
+            }
+
+            if (filled($containerUrls)) {
+                $containerUrls = str($containerUrls)->replaceStart(',', '')->replaceEnd(',', '')->trim();
+                $containerUrls = str($containerUrls)->explode(',')->map(fn ($url) => str(trim($url))->lower());
+
+                $result = checkIfDomainIsAlreadyUsedViaAPI($containerUrls, $teamId, $application->uuid);
+                if (isset($result['error'])) {
+                    $errors[] = $result['error'];
+
+                    return;
+                }
+
+                if ($result['hasConflicts'] && ! $forceDomainOverride) {
+                    $conflicts = array_merge($conflicts, $result['conflicts']);
+
+                    return;
+                }
+
+                $containerUrls = $containerUrls->filter(fn ($u) => filled($u))->unique()->implode(',');
+            } else {
+                $containerUrls = null;
+            }
+
+            $application->fqdn = $containerUrls;
+            $application->save();
+        });
+
+        if (! empty($errors)) {
+            return ['errors' => $errors];
+        }
+
+        if (! empty($conflicts)) {
+            return [
+                'conflicts' => $conflicts,
+                'warning' => 'Using the same domain for multiple resources can cause routing conflicts and unpredictable behavior.',
+            ];
+        }
+
+        return null;
+    }
+
     #[OA\Get(
         summary: 'List',
         description: 'List all services.',
@@ -115,6 +210,18 @@ public function services(Request $request)
                         'destination_uuid' => ['type' => 'string', 'description' => 'Destination UUID. Required if server has multiple destinations.'],
                         'instant_deploy' => ['type' => 'boolean', 'default' => false, 'description' => 'Start the service immediately after creation.'],
                         'docker_compose_raw' => ['type' => 'string', 'description' => 'The base64 encoded Docker Compose content.'],
+                        'urls' => [
+                            'type' => 'array',
+                            'description' => 'Array of URLs to be applied to containers of a service.',
+                            'items' => new OA\Schema(
+                                type: 'object',
+                                properties: [
+                                    'name' => ['type' => 'string', 'description' => 'The service name as defined in docker-compose.'],
+                                    'url' => ['type' => 'string', 'description' => 'Comma-separated list of URLs (e.g. "http://app.coolify.io,https://app2.coolify.io").'],
+                                ],
+                            ),
+                        ],
+                        'force_domain_override' => ['type' => 'boolean', 'default' => false, 'description' => 'Force domain override even if conflicts are detected.'],
                     ],
                 ),
             ),
@@ -144,6 +251,35 @@ public function services(Request $request)
                 response: 400,
                 ref: '#/components/responses/400',
             ),
+            new OA\Response(
+                response: 409,
+                description: 'Domain conflicts detected.',
+                content: [
+                    new OA\MediaType(
+                        mediaType: 'application/json',
+                        schema: new OA\Schema(
+                            type: 'object',
+                            properties: [
+                                'message' => ['type' => 'string', 'example' => 'Domain conflicts detected. Use force_domain_override=true to proceed.'],
+                                'warning' => ['type' => 'string', 'example' => 'Using the same domain for multiple resources can cause routing conflicts and unpredictable behavior.'],
+                                'conflicts' => [
+                                    'type' => 'array',
+                                    'items' => new OA\Schema(
+                                        type: 'object',
+                                        properties: [
+                                            'domain' => ['type' => 'string', 'example' => 'example.com'],
+                                            'resource_name' => ['type' => 'string', 'example' => 'My Application'],
+                                            'resource_uuid' => ['type' => 'string', 'nullable' => true, 'example' => 'abc123-def456'],
+                                            'resource_type' => ['type' => 'string', 'enum' => ['application', 'service', 'instance'], 'example' => 'application'],
+                                            'message' => ['type' => 'string', 'example' => 'Domain example.com is already in use by application \'My Application\''],
+                                        ]
+                                    ),
+                                ],
+                            ]
+                        )
+                    ),
+                ]
+            ),
             new OA\Response(
                 response: 422,
                 ref: '#/components/responses/422',
@@ -152,7 +288,7 @@ public function services(Request $request)
     )]
     public function create_service(Request $request)
     {
-        $allowedFields = ['type', 'name', 'description', 'project_uuid', 'environment_name', 'environment_uuid', 'server_uuid', 'destination_uuid', 'instant_deploy', 'docker_compose_raw'];
+        $allowedFields = ['type', 'name', 'description', 'project_uuid', 'environment_name', 'environment_uuid', 'server_uuid', 'destination_uuid', 'instant_deploy', 'docker_compose_raw', 'urls', 'force_domain_override'];
 
         $teamId = getTeamIdFromToken();
         if (is_null($teamId)) {
@@ -165,7 +301,7 @@ public function create_service(Request $request)
         if ($return instanceof \Illuminate\Http\JsonResponse) {
             return $return;
         }
-        $validator = customApiValidator($request->all(), [
+        $validationRules = [
             'type' => 'string|required_without:docker_compose_raw',
             'docker_compose_raw' => 'string|required_without:type',
             'project_uuid' => 'string|required',
@@ -176,7 +312,16 @@ public function create_service(Request $request)
             'name' => 'string|max:255',
             'description' => 'string|nullable',
             'instant_deploy' => 'boolean',
-        ]);
+            'urls' => 'array|nullable',
+            'urls.*' => 'array:name,url',
+            'urls.*.name' => 'string|required',
+            'urls.*.url' => 'string|nullable',
+            'force_domain_override' => 'boolean',
+        ];
+        $validationMessages = [
+            'urls.*.array' => 'An item in the urls array has invalid fields. Only name and url fields are supported.',
+        ];
+        $validator = Validator::make($request->all(), $validationRules, $validationMessages);
 
         $extraFields = array_diff(array_keys($request->all()), $allowedFields);
         if ($validator->fails() || ! empty($extraFields)) {
@@ -297,29 +442,41 @@ public function create_service(Request $request)
                 // Apply service-specific application prerequisites
                 applyServiceApplicationPrerequisites($service);
 
+                if ($request->has('urls') && is_array($request->urls)) {
+                    $urlResult = $this->applyServiceUrls($service, $request->urls, $teamId, $request->boolean('force_domain_override'));
+                    if ($urlResult !== null) {
+                        $service->delete();
+                        if (isset($urlResult['errors'])) {
+                            return response()->json([
+                                'message' => 'Validation failed.',
+                                'errors' => $urlResult['errors'],
+                            ], 422);
+                        }
+                        if (isset($urlResult['conflicts'])) {
+                            return response()->json([
+                                'message' => 'Domain conflicts detected. Use force_domain_override=true to proceed.',
+                                'conflicts' => $urlResult['conflicts'],
+                                'warning' => $urlResult['warning'],
+                            ], 409);
+                        }
+                    }
+                }
+
                 if ($instantDeploy) {
                     StartService::dispatch($service);
                 }
-                $domains = $service->applications()->get()->pluck('fqdn')->sort();
-                $domains = $domains->map(function ($domain) {
-                    if (count(explode(':', $domain)) > 2) {
-                        return str($domain)->beforeLast(':')->value();
-                    }
-
-                    return $domain;
-                });
 
                 return response()->json([
                     'uuid' => $service->uuid,
-                    'domains' => $domains,
-                ]);
+                    'domains' => $service->applications()->pluck('fqdn')->filter()->sort()->values(),
+                ])->setStatusCode(201);
             }
 
             return response()->json(['message' => 'Service not found.', 'valid_service_types' => $serviceKeys], 404);
         } elseif (filled($request->docker_compose_raw)) {
-            $allowedFields = ['name', 'description', 'project_uuid', 'environment_name', 'environment_uuid', 'server_uuid', 'destination_uuid', 'instant_deploy', 'docker_compose_raw', 'connect_to_docker_network'];
+            $allowedFields = ['name', 'description', 'project_uuid', 'environment_name', 'environment_uuid', 'server_uuid', 'destination_uuid', 'instant_deploy', 'docker_compose_raw', 'connect_to_docker_network', 'urls', 'force_domain_override'];
 
-            $validator = customApiValidator($request->all(), [
+            $validationRules = [
                 'project_uuid' => 'string|required',
                 'environment_name' => 'string|nullable',
                 'environment_uuid' => 'string|nullable',
@@ -330,7 +487,16 @@ public function create_service(Request $request)
                 'instant_deploy' => 'boolean',
                 'connect_to_docker_network' => 'boolean',
                 'docker_compose_raw' => 'string|required',
-            ]);
+                'urls' => 'array|nullable',
+                'urls.*' => 'array:name,url',
+                'urls.*.name' => 'string|required',
+                'urls.*.url' => 'string|nullable',
+                'force_domain_override' => 'boolean',
+            ];
+            $validationMessages = [
+                'urls.*.array' => 'An item in the urls array has invalid fields. Only name and url fields are supported.',
+            ];
+            $validator = Validator::make($request->all(), $validationRules, $validationMessages);
 
             $extraFields = array_diff(array_keys($request->all()), $allowedFields);
             if ($validator->fails() || ! empty($extraFields)) {
@@ -424,22 +590,34 @@ public function create_service(Request $request)
             $service->save();
 
             $service->parse(isNew: true);
+
+            if ($request->has('urls') && is_array($request->urls)) {
+                $urlResult = $this->applyServiceUrls($service, $request->urls, $teamId, $request->boolean('force_domain_override'));
+                if ($urlResult !== null) {
+                    $service->delete();
+                    if (isset($urlResult['errors'])) {
+                        return response()->json([
+                            'message' => 'Validation failed.',
+                            'errors' => $urlResult['errors'],
+                        ], 422);
+                    }
+                    if (isset($urlResult['conflicts'])) {
+                        return response()->json([
+                            'message' => 'Domain conflicts detected. Use force_domain_override=true to proceed.',
+                            'conflicts' => $urlResult['conflicts'],
+                            'warning' => $urlResult['warning'],
+                        ], 409);
+                    }
+                }
+            }
+
             if ($instantDeploy) {
                 StartService::dispatch($service);
             }
 
-            $domains = $service->applications()->get()->pluck('fqdn')->sort();
-            $domains = $domains->map(function ($domain) {
-                if (count(explode(':', $domain)) > 2) {
-                    return str($domain)->beforeLast(':')->value();
-                }
-
-                return $domain;
-            })->values();
-
             return response()->json([
                 'uuid' => $service->uuid,
-                'domains' => $domains,
+                'domains' => $service->applications()->pluck('fqdn')->filter()->sort()->values(),
             ])->setStatusCode(201);
         } elseif (filled($request->type)) {
             return response()->json([
@@ -623,6 +801,18 @@ public function delete_by_uuid(Request $request)
                             'instant_deploy' => ['type' => 'boolean', 'description' => 'The flag to indicate if the service should be deployed instantly.'],
                             'connect_to_docker_network' => ['type' => 'boolean', 'default' => false, 'description' => 'Connect the service to the predefined docker network.'],
                             'docker_compose_raw' => ['type' => 'string', 'description' => 'The base64 encoded Docker Compose content.'],
+                            'urls' => [
+                                'type' => 'array',
+                                'description' => 'Array of URLs to be applied to containers of a service.',
+                                'items' => new OA\Schema(
+                                    type: 'object',
+                                    properties: [
+                                        'name' => ['type' => 'string', 'description' => 'The service name as defined in docker-compose.'],
+                                        'url' => ['type' => 'string', 'description' => 'Comma-separated list of URLs (e.g. "http://app.coolify.io,https://app2.coolify.io").'],
+                                    ],
+                                ),
+                            ],
+                            'force_domain_override' => ['type' => 'boolean', 'default' => false, 'description' => 'Force domain override even if conflicts are detected.'],
                         ],
                     )
                 ),
@@ -657,6 +847,35 @@ public function delete_by_uuid(Request $request)
                 response: 404,
                 ref: '#/components/responses/404',
             ),
+            new OA\Response(
+                response: 409,
+                description: 'Domain conflicts detected.',
+                content: [
+                    new OA\MediaType(
+                        mediaType: 'application/json',
+                        schema: new OA\Schema(
+                            type: 'object',
+                            properties: [
+                                'message' => ['type' => 'string', 'example' => 'Domain conflicts detected. Use force_domain_override=true to proceed.'],
+                                'warning' => ['type' => 'string', 'example' => 'Using the same domain for multiple resources can cause routing conflicts and unpredictable behavior.'],
+                                'conflicts' => [
+                                    'type' => 'array',
+                                    'items' => new OA\Schema(
+                                        type: 'object',
+                                        properties: [
+                                            'domain' => ['type' => 'string', 'example' => 'example.com'],
+                                            'resource_name' => ['type' => 'string', 'example' => 'My Application'],
+                                            'resource_uuid' => ['type' => 'string', 'nullable' => true, 'example' => 'abc123-def456'],
+                                            'resource_type' => ['type' => 'string', 'enum' => ['application', 'service', 'instance'], 'example' => 'application'],
+                                            'message' => ['type' => 'string', 'example' => 'Domain example.com is already in use by application \'My Application\''],
+                                        ]
+                                    ),
+                                ],
+                            ]
+                        )
+                    ),
+                ]
+            ),
             new OA\Response(
                 response: 422,
                 ref: '#/components/responses/422',
@@ -682,15 +901,24 @@ public function update_by_uuid(Request $request)
 
         $this->authorize('update', $service);
 
-        $allowedFields = ['name', 'description', 'instant_deploy', 'docker_compose_raw', 'connect_to_docker_network'];
+        $allowedFields = ['name', 'description', 'instant_deploy', 'docker_compose_raw', 'connect_to_docker_network', 'urls', 'force_domain_override'];
 
-        $validator = customApiValidator($request->all(), [
+        $validationRules = [
             'name' => 'string|max:255',
             'description' => 'string|nullable',
             'instant_deploy' => 'boolean',
             'connect_to_docker_network' => 'boolean',
             'docker_compose_raw' => 'string|nullable',
-        ]);
+            'urls' => 'array|nullable',
+            'urls.*' => 'array:name,url',
+            'urls.*.name' => 'string|required',
+            'urls.*.url' => 'string|nullable',
+            'force_domain_override' => 'boolean',
+        ];
+        $validationMessages = [
+            'urls.*.array' => 'An item in the urls array has invalid fields. Only name and url fields are supported.',
+        ];
+        $validator = Validator::make($request->all(), $validationRules, $validationMessages);
 
         $extraFields = array_diff(array_keys($request->all()), $allowedFields);
         if ($validator->fails() || ! empty($extraFields)) {
@@ -754,22 +982,33 @@ public function update_by_uuid(Request $request)
         $service->save();
 
         $service->parse();
+
+        if ($request->has('urls') && is_array($request->urls)) {
+            $urlResult = $this->applyServiceUrls($service, $request->urls, $teamId, $request->boolean('force_domain_override'));
+            if ($urlResult !== null) {
+                if (isset($urlResult['errors'])) {
+                    return response()->json([
+                        'message' => 'Validation failed.',
+                        'errors' => $urlResult['errors'],
+                    ], 422);
+                }
+                if (isset($urlResult['conflicts'])) {
+                    return response()->json([
+                        'message' => 'Domain conflicts detected. Use force_domain_override=true to proceed.',
+                        'conflicts' => $urlResult['conflicts'],
+                        'warning' => $urlResult['warning'],
+                    ], 409);
+                }
+            }
+        }
+
         if ($request->instant_deploy) {
             StartService::dispatch($service);
         }
 
-        $domains = $service->applications()->get()->pluck('fqdn')->sort();
-        $domains = $domains->map(function ($domain) {
-            if (count(explode(':', $domain)) > 2) {
-                return str($domain)->beforeLast(':')->value();
-            }
-
-            return $domain;
-        })->values();
-
         return response()->json([
             'uuid' => $service->uuid,
-            'domains' => $domains,
+            'domains' => $service->applications()->pluck('fqdn')->filter()->sort()->values(),
         ])->setStatusCode(200);
     }
 
diff --git a/openapi.json b/openapi.json
index 9fdec634f..a94ef79b1 100644
--- a/openapi.json
+++ b/openapi.json
@@ -8887,6 +8887,28 @@
                                     "docker_compose_raw": {
                                         "type": "string",
                                         "description": "The base64 encoded Docker Compose content."
+                                    },
+                                    "urls": {
+                                        "type": "array",
+                                        "description": "Array of URLs to be applied to containers of a service.",
+                                        "items": {
+                                            "properties": {
+                                                "name": {
+                                                    "type": "string",
+                                                    "description": "The service name as defined in docker-compose."
+                                                },
+                                                "url": {
+                                                    "type": "string",
+                                                    "description": "Comma-separated list of URLs (e.g. \"http:\/\/app.coolify.io,https:\/\/app2.coolify.io\")."
+                                                }
+                                            },
+                                            "type": "object"
+                                        }
+                                    },
+                                    "force_domain_override": {
+                                        "type": "boolean",
+                                        "default": false,
+                                        "description": "Force domain override even if conflicts are detected."
                                     }
                                 },
                                 "type": "object"
@@ -8924,6 +8946,60 @@
                     "400": {
                         "$ref": "#\/components\/responses\/400"
                     },
+                    "409": {
+                        "description": "Domain conflicts detected.",
+                        "content": {
+                            "application\/json": {
+                                "schema": {
+                                    "properties": {
+                                        "message": {
+                                            "type": "string",
+                                            "example": "Domain conflicts detected. Use force_domain_override=true to proceed."
+                                        },
+                                        "warning": {
+                                            "type": "string",
+                                            "example": "Using the same domain for multiple resources can cause routing conflicts and unpredictable behavior."
+                                        },
+                                        "conflicts": {
+                                            "type": "array",
+                                            "items": {
+                                                "properties": {
+                                                    "domain": {
+                                                        "type": "string",
+                                                        "example": "example.com"
+                                                    },
+                                                    "resource_name": {
+                                                        "type": "string",
+                                                        "example": "My Application"
+                                                    },
+                                                    "resource_uuid": {
+                                                        "type": "string",
+                                                        "nullable": true,
+                                                        "example": "abc123-def456"
+                                                    },
+                                                    "resource_type": {
+                                                        "type": "string",
+                                                        "enum": [
+                                                            "application",
+                                                            "service",
+                                                            "instance"
+                                                        ],
+                                                        "example": "application"
+                                                    },
+                                                    "message": {
+                                                        "type": "string",
+                                                        "example": "Domain example.com is already in use by application 'My Application'"
+                                                    }
+                                                },
+                                                "type": "object"
+                                            }
+                                        }
+                                    },
+                                    "type": "object"
+                                }
+                            }
+                        }
+                    },
                     "422": {
                         "$ref": "#\/components\/responses\/422"
                     }
@@ -9137,6 +9213,28 @@
                                     "docker_compose_raw": {
                                         "type": "string",
                                         "description": "The base64 encoded Docker Compose content."
+                                    },
+                                    "urls": {
+                                        "type": "array",
+                                        "description": "Array of URLs to be applied to containers of a service.",
+                                        "items": {
+                                            "properties": {
+                                                "name": {
+                                                    "type": "string",
+                                                    "description": "The service name as defined in docker-compose."
+                                                },
+                                                "url": {
+                                                    "type": "string",
+                                                    "description": "Comma-separated list of URLs (e.g. \"http:\/\/app.coolify.io,https:\/\/app2.coolify.io\")."
+                                                }
+                                            },
+                                            "type": "object"
+                                        }
+                                    },
+                                    "force_domain_override": {
+                                        "type": "boolean",
+                                        "default": false,
+                                        "description": "Force domain override even if conflicts are detected."
                                     }
                                 },
                                 "type": "object"
@@ -9177,6 +9275,60 @@
                     "404": {
                         "$ref": "#\/components\/responses\/404"
                     },
+                    "409": {
+                        "description": "Domain conflicts detected.",
+                        "content": {
+                            "application\/json": {
+                                "schema": {
+                                    "properties": {
+                                        "message": {
+                                            "type": "string",
+                                            "example": "Domain conflicts detected. Use force_domain_override=true to proceed."
+                                        },
+                                        "warning": {
+                                            "type": "string",
+                                            "example": "Using the same domain for multiple resources can cause routing conflicts and unpredictable behavior."
+                                        },
+                                        "conflicts": {
+                                            "type": "array",
+                                            "items": {
+                                                "properties": {
+                                                    "domain": {
+                                                        "type": "string",
+                                                        "example": "example.com"
+                                                    },
+                                                    "resource_name": {
+                                                        "type": "string",
+                                                        "example": "My Application"
+                                                    },
+                                                    "resource_uuid": {
+                                                        "type": "string",
+                                                        "nullable": true,
+                                                        "example": "abc123-def456"
+                                                    },
+                                                    "resource_type": {
+                                                        "type": "string",
+                                                        "enum": [
+                                                            "application",
+                                                            "service",
+                                                            "instance"
+                                                        ],
+                                                        "example": "application"
+                                                    },
+                                                    "message": {
+                                                        "type": "string",
+                                                        "example": "Domain example.com is already in use by application 'My Application'"
+                                                    }
+                                                },
+                                                "type": "object"
+                                            }
+                                        }
+                                    },
+                                    "type": "object"
+                                }
+                            }
+                        }
+                    },
                     "422": {
                         "$ref": "#\/components\/responses\/422"
                     }
diff --git a/openapi.yaml b/openapi.yaml
index 383481a8d..75ccb69fe 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -5606,6 +5606,14 @@ paths:
                 docker_compose_raw:
                   type: string
                   description: 'The base64 encoded Docker Compose content.'
+                urls:
+                  type: array
+                  description: 'Array of URLs to be applied to containers of a service.'
+                  items: { properties: { name: { type: string, description: 'The service name as defined in docker-compose.' }, url: { type: string, description: 'Comma-separated list of URLs (e.g. "http://app.coolify.io,https://app2.coolify.io").' } }, type: object }
+                force_domain_override:
+                  type: boolean
+                  default: false
+                  description: 'Force domain override even if conflicts are detected.'
               type: object
       responses:
         '201':
@@ -5621,6 +5629,16 @@ paths:
           $ref: '#/components/responses/401'
         '400':
           $ref: '#/components/responses/400'
+        '409':
+          description: 'Domain conflicts detected.'
+          content:
+            application/json:
+              schema:
+                properties:
+                  message: { type: string, example: 'Domain conflicts detected. Use force_domain_override=true to proceed.' }
+                  warning: { type: string, example: 'Using the same domain for multiple resources can cause routing conflicts and unpredictable behavior.' }
+                  conflicts: { type: array, items: { properties: { domain: { type: string, example: example.com }, resource_name: { type: string, example: 'My Application' }, resource_uuid: { type: string, nullable: true, example: abc123-def456 }, resource_type: { type: string, enum: [application, service, instance], example: application }, message: { type: string, example: "Domain example.com is already in use by application 'My Application'" } }, type: object } }
+                type: object
         '422':
           $ref: '#/components/responses/422'
       security:
@@ -5773,6 +5791,14 @@ paths:
                 docker_compose_raw:
                   type: string
                   description: 'The base64 encoded Docker Compose content.'
+                urls:
+                  type: array
+                  description: 'Array of URLs to be applied to containers of a service.'
+                  items: { properties: { name: { type: string, description: 'The service name as defined in docker-compose.' }, url: { type: string, description: 'Comma-separated list of URLs (e.g. "http://app.coolify.io,https://app2.coolify.io").' } }, type: object }
+                force_domain_override:
+                  type: boolean
+                  default: false
+                  description: 'Force domain override even if conflicts are detected.'
               type: object
       responses:
         '200':
@@ -5790,6 +5816,16 @@ paths:
           $ref: '#/components/responses/400'
         '404':
           $ref: '#/components/responses/404'
+        '409':
+          description: 'Domain conflicts detected.'
+          content:
+            application/json:
+              schema:
+                properties:
+                  message: { type: string, example: 'Domain conflicts detected. Use force_domain_override=true to proceed.' }
+                  warning: { type: string, example: 'Using the same domain for multiple resources can cause routing conflicts and unpredictable behavior.' }
+                  conflicts: { type: array, items: { properties: { domain: { type: string, example: example.com }, resource_name: { type: string, example: 'My Application' }, resource_uuid: { type: string, nullable: true, example: abc123-def456 }, resource_type: { type: string, enum: [application, service, instance], example: application }, message: { type: string, example: "Domain example.com is already in use by application 'My Application'" } }, type: object } }
+                type: object
         '422':
           $ref: '#/components/responses/422'
       security: