diff --git a/lib/Service/WatsonxAPIService.php b/lib/Service/WatsonxAPIService.php
index 4e7ef51f..1e4787c5 100644
--- a/lib/Service/WatsonxAPIService.php
+++ b/lib/Service/WatsonxAPIService.php
@@ -106,10 +106,7 @@ public function getModels(string $userId): array {
 
 		try {
 			$this->logger->debug('Actually getting watsonx.ai models with a network request');
-			$params = [
-				'version' => Application::WATSONX_API_VERSION,
-			];
-			$modelsResponse = $this->request($userId, '/ml/v1/foundation_model_specs', $params);
+			$modelsResponse = $this->request($userId, '/ml/v1/foundation_model_specs?version=' . Application::WATSONX_API_VERSION);
 		} catch (Exception $e) {
 			$this->logger->warning('Error retrieving models (exc): ' . $e->getMessage());
 			$this->areCredsValid = false;
@@ -771,7 +768,7 @@ public function requestIAM(array $params = [], string $method = 'POST'): array {
 					$paramsContent = http_build_query($params);
 					$url .= '?' . $paramsContent;
 				} else {
-					$options['body'] = $params;
+					$options['body'] = $this->watsonxSettingsService->isUsingIbmCloud() ? $params : json_encode($params);
 				}
 			}
 
diff --git a/src/components/AdminSettings.vue b/src/components/AdminSettings.vue
index 3c73670e..24759e21 100644
--- a/src/components/AdminSettings.vue
+++ b/src/components/AdminSettings.vue
@@ -410,6 +410,7 @@ import { confirmPassword } from '@nextcloud/password-confirmation'
 import { generateUrl } from '@nextcloud/router'
 import debounce from 'debounce'
 
+const API_VERSION = '2024-03-14'
 const DEFAULT_MODEL_ITEM = { id: 'Default', value: 'Default', label: 'Default' }
 
 export default {
@@ -452,9 +453,9 @@ export default {
 	computed: {
 		modelEndpointUrl() {
 			if (this.state.url === '') {
-				return 'https://us-south.ml.cloud.ibm.com/ml/v1/foundation_model_specs'
+				return 'https://us-south.ml.cloud.ibm.com/ml/v1/foundation_model_specs?version=' + API_VERSION
 			}
-			return this.state.url.replace(/\/*$/, '/ml/v1/foundation_model_specs')
+			return this.state.url.replace(/\/*$/, '/ml/v1/foundation_model_specs?version=' + API_VERSION)
 		},
 		configured() {
 			return !!this.state.api_key && (this.isUsingIbmCloud || !!this.state.username)