diff --git a/src/components/providers/AmpcodeSection/AmpcodeSection.tsx b/src/components/providers/AmpcodeSection/AmpcodeSection.tsx
index bd759c6..2748cc3 100644
--- a/src/components/providers/AmpcodeSection/AmpcodeSection.tsx
+++ b/src/components/providers/AmpcodeSection/AmpcodeSection.tsx
@@ -71,6 +71,10 @@ export function AmpcodeSection({
               <span className={styles.fieldLabel}>{t('ai_providers.ampcode_model_mappings_count')}:</span>
               <span className={styles.fieldValue}>{config?.modelMappings?.length || 0}</span>
             </div>
+            <div className={styles.fieldRow}>
+              <span className={styles.fieldLabel}>{t('ai_providers.ampcode_upstream_api_keys_count')}:</span>
+              <span className={styles.fieldValue}>{config?.upstreamApiKeys?.length || 0}</span>
+            </div>
             {config?.modelMappings?.length ? (
               <div className={styles.modelTagList}>
                 {config.modelMappings.slice(0, 5).map((mapping) => (
diff --git a/src/components/providers/VertexSection/VertexSection.tsx b/src/components/providers/VertexSection/VertexSection.tsx
index 4303f78..fcf0541 100644
--- a/src/components/providers/VertexSection/VertexSection.tsx
+++ b/src/components/providers/VertexSection/VertexSection.tsx
@@ -87,6 +87,7 @@ export function VertexSection({
           renderContent={(item, index) => {
             const stats = getStatsBySource(item.apiKey, keyStats, item.prefix);
             const headerEntries = Object.entries(item.headers || {});
+            const excludedModels = item.excludedModels ?? [];
             const statusData = statusBarCache.get(item.apiKey) || calculateStatusBarData([]);
 
             return (
@@ -140,6 +141,20 @@ export function VertexSection({
                     ))}
                   </div>
                 ) : null}
+                {excludedModels.length ? (
+                  <div className={styles.excludedModelsSection}>
+                    <div className={styles.excludedModelsLabel}>
+                      {t('ai_providers.excluded_models_count', { count: excludedModels.length })}
+                    </div>
+                    <div className={styles.modelTagList}>
+                      {excludedModels.map((model) => (
+                        <span key={model} className={`${styles.modelTag} ${styles.excludedModelTag}`}>
+                          <span className={styles.modelName}>{model}</span>
+                        </span>
+                      ))}
+                    </div>
+                  </div>
+                ) : null}
                 <div className={styles.cardStats}>
                   <span className={`${styles.statPill} ${styles.statSuccess}`}>
                     {t('stats.success')}: {stats.success}
diff --git a/src/components/providers/types.ts b/src/components/providers/types.ts
index f80377a..7c8d8d6 100644
--- a/src/components/providers/types.ts
+++ b/src/components/providers/types.ts
@@ -18,11 +18,17 @@ export interface OpenAIFormState {
   apiKeyEntries: ApiKeyEntry[];
 }
 
+export interface AmpcodeUpstreamApiKeyEntry {
+  upstreamApiKey: string;
+  clientApiKeysText: string;
+}
+
 export interface AmpcodeFormState {
   upstreamUrl: string;
   upstreamApiKey: string;
   forceModelMappings: boolean;
   mappingEntries: ModelEntry[];
+  upstreamApiKeyEntries: AmpcodeUpstreamApiKeyEntry[];
 }
 
 export type GeminiFormState = Omit<GeminiKeyConfig, 'headers' | 'models'> & {
@@ -37,9 +43,10 @@ export type ProviderFormState = Omit<ProviderKeyConfig, 'headers'> & {
   excludedText: string;
 };
 
-export type VertexFormState = Omit<ProviderKeyConfig, 'headers' | 'excludedModels'> & {
+export type VertexFormState = Omit<ProviderKeyConfig, 'headers'> & {
   headers: HeaderEntry[];
   modelEntries: ModelEntry[];
+  excludedText: string;
 };
 
 export interface ProviderSectionProps<TConfig> {
diff --git a/src/components/providers/utils.ts b/src/components/providers/utils.ts
index 3e4192c..fb07cb6 100644
--- a/src/components/providers/utils.ts
+++ b/src/components/providers/utils.ts
@@ -1,6 +1,6 @@
-import type { AmpcodeConfig, AmpcodeModelMapping, ApiKeyEntry } from '@/types';
+import type { AmpcodeConfig, AmpcodeModelMapping, AmpcodeUpstreamApiKeyMapping, ApiKeyEntry } from '@/types';
 import { buildCandidateUsageSourceIds, type KeyStatBucket, type KeyStats } from '@/utils/usage';
-import type { AmpcodeFormState, ModelEntry } from './types';
+import type { AmpcodeFormState, AmpcodeUpstreamApiKeyEntry, ModelEntry } from './types';
 
 export const DISABLE_ALL_MODELS_RULE = '*';
 
@@ -168,9 +168,43 @@ export const entriesToAmpcodeMappings = (entries: ModelEntry[]): AmpcodeModelMap
   return mappings;
 };
 
+export const ampcodeUpstreamApiKeysToEntries = (
+  mappings?: AmpcodeUpstreamApiKeyMapping[]
+): AmpcodeUpstreamApiKeyEntry[] => {
+  if (!Array.isArray(mappings) || mappings.length === 0) {
+    return [{ upstreamApiKey: '', clientApiKeysText: '' }];
+  }
+
+  return mappings.map((mapping) => ({
+    upstreamApiKey: mapping.upstreamApiKey ?? '',
+    clientApiKeysText: Array.isArray(mapping.apiKeys) ? mapping.apiKeys.join('\n') : '',
+  }));
+};
+
+export const entriesToAmpcodeUpstreamApiKeys = (
+  entries: AmpcodeUpstreamApiKeyEntry[]
+): AmpcodeUpstreamApiKeyMapping[] => {
+  const seen = new Set<string>();
+  const mappings: AmpcodeUpstreamApiKeyMapping[] = [];
+
+  entries.forEach((entry) => {
+    const upstreamApiKey = String(entry?.upstreamApiKey ?? '').trim();
+    if (!upstreamApiKey || seen.has(upstreamApiKey)) return;
+
+    const apiKeys = Array.from(new Set(parseTextList(String(entry?.clientApiKeysText ?? ''))));
+    if (!apiKeys.length) return;
+
+    seen.add(upstreamApiKey);
+    mappings.push({ upstreamApiKey, apiKeys });
+  });
+
+  return mappings;
+};
+
 export const buildAmpcodeFormState = (ampcode?: AmpcodeConfig | null): AmpcodeFormState => ({
   upstreamUrl: ampcode?.upstreamUrl ?? '',
   upstreamApiKey: '',
   forceModelMappings: ampcode?.forceModelMappings ?? false,
   mappingEntries: ampcodeMappingsToEntries(ampcode?.modelMappings),
+  upstreamApiKeyEntries: ampcodeUpstreamApiKeysToEntries(ampcode?.upstreamApiKeys),
 });
diff --git a/src/i18n/locales/en.json b/src/i18n/locales/en.json
index e386699..86dac52 100644
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -366,6 +366,13 @@
     "ampcode_upstream_api_key_current": "Current Amp official key: {{key}}",
     "ampcode_clear_upstream_api_key": "Clear official key",
     "ampcode_clear_upstream_api_key_confirm": "Are you sure you want to clear the Ampcode upstream API key (Amp official)?",
+    "ampcode_upstream_api_keys_label": "Multi-upstream API key routing",
+    "ampcode_upstream_api_keys_hint": "Bind different Amp upstream API keys to specific client API keys. Client keys can be separated by commas or new lines.",
+    "ampcode_upstream_api_keys_add_btn": "Add upstream mapping",
+    "ampcode_upstream_api_keys_upstream_placeholder": "Upstream API key (sk-amp-...)",
+    "ampcode_upstream_api_keys_clients_placeholder": "Client API keys, separated by commas or new lines",
+    "ampcode_upstream_api_keys_item_title": "Upstream mapping #{{index}}",
+    "ampcode_upstream_api_keys_count": "Upstream mappings",
     "ampcode_force_model_mappings_label": "Force model mappings",
     "ampcode_force_model_mappings_hint": "When enabled, mappings override local API-key availability checks.",
     "ampcode_model_mappings_label": "Model mappings (from → to)",
@@ -374,6 +381,8 @@
     "ampcode_model_mappings_from_placeholder": "from model (source)",
     "ampcode_model_mappings_to_placeholder": "to model (target)",
     "ampcode_model_mappings_count": "Mappings Count",
+    "ampcode_lists_overwrite_title": "Overwrite list settings",
+    "ampcode_lists_overwrite_confirm": "Existing multi-upstream/model mapping lists could not be loaded. Continuing may overwrite or clear them. Continue?",
     "ampcode_mappings_overwrite_confirm": "Existing mappings could not be loaded. Continuing may overwrite or clear them. Continue?",
     "openai_title": "OpenAI Compatible Providers",
     "openai_add_button": "Add Provider",
diff --git a/src/i18n/locales/ru.json b/src/i18n/locales/ru.json
index ad1e4a1..9c87d9c 100644
--- a/src/i18n/locales/ru.json
+++ b/src/i18n/locales/ru.json
@@ -366,6 +366,13 @@
     "ampcode_upstream_api_key_current": "Текущий официальный ключ Amp: {{key}}",
     "ampcode_clear_upstream_api_key": "Очистить официальный ключ",
     "ampcode_clear_upstream_api_key_confirm": "Очистить upstream API-ключ Ampcode (официальный Amp)?",
+    "ampcode_upstream_api_keys_label": "Маршрутизация нескольких upstream API-ключей",
+    "ampcode_upstream_api_keys_hint": "Привяжите разные upstream API-ключи Amp к указанным клиентским API-ключам. Клиентские ключи можно разделять запятыми или переводами строки.",
+    "ampcode_upstream_api_keys_add_btn": "Добавить upstream-сопоставление",
+    "ampcode_upstream_api_keys_upstream_placeholder": "Upstream API-ключ (sk-amp-...)",
+    "ampcode_upstream_api_keys_clients_placeholder": "Клиентские API-ключи, через запятую или с новой строки",
+    "ampcode_upstream_api_keys_item_title": "Upstream-сопоставление #{{index}}",
+    "ampcode_upstream_api_keys_count": "Количество upstream-сопоставлений",
     "ampcode_force_model_mappings_label": "Принудительно применять сопоставления моделей",
     "ampcode_force_model_mappings_hint": "При включении сопоставления переопределяют локальные проверки доступности API-ключей.",
     "ampcode_model_mappings_label": "Сопоставления моделей (из → в)",
@@ -374,6 +381,8 @@
     "ampcode_model_mappings_from_placeholder": "исходная модель",
     "ampcode_model_mappings_to_placeholder": "целевая модель",
     "ampcode_model_mappings_count": "Количество сопоставлений",
+    "ampcode_lists_overwrite_title": "Перезаписать списки",
+    "ampcode_lists_overwrite_confirm": "Существующие списки multi-upstream/сопоставлений моделей не удалось загрузить. Продолжение может перезаписать или очистить их. Продолжить?",
     "ampcode_mappings_overwrite_confirm": "Не удалось загрузить существующие сопоставления. Продолжение может перезаписать или очистить их. Продолжить?",
     "openai_title": "Совместимые с OpenAI провайдеры",
     "openai_add_button": "Добавить провайдера",
diff --git a/src/i18n/locales/zh-CN.json b/src/i18n/locales/zh-CN.json
index 860ef81..f3478f2 100644
--- a/src/i18n/locales/zh-CN.json
+++ b/src/i18n/locales/zh-CN.json
@@ -366,6 +366,13 @@
     "ampcode_upstream_api_key_current": "当前Amp官方密钥: {{key}}",
     "ampcode_clear_upstream_api_key": "清除官方密钥",
     "ampcode_clear_upstream_api_key_confirm": "确定要清除 Ampcode 的 upstream API key（Amp官方）吗？",
+    "ampcode_upstream_api_keys_label": "多上游 API Key 路由",
+    "ampcode_upstream_api_keys_hint": "为指定客户端 API Key 绑定不同的 Amp 上游 API Key；客户端 key 可用逗号或换行分隔。",
+    "ampcode_upstream_api_keys_add_btn": "添加多上游映射",
+    "ampcode_upstream_api_keys_upstream_placeholder": "上游 API Key（sk-amp-...）",
+    "ampcode_upstream_api_keys_clients_placeholder": "客户端 API Keys，用逗号或换行分隔",
+    "ampcode_upstream_api_keys_item_title": "上游映射 #{{index}}",
+    "ampcode_upstream_api_keys_count": "多上游映射",
     "ampcode_force_model_mappings_label": "强制应用模型映射",
     "ampcode_force_model_mappings_hint": "开启后，模型映射将覆盖本地 API Key 可用性判断。",
     "ampcode_model_mappings_label": "模型映射 (from → to)",
@@ -374,6 +381,8 @@
     "ampcode_model_mappings_from_placeholder": "from 模型（原始）",
     "ampcode_model_mappings_to_placeholder": "to 模型（目标）",
     "ampcode_model_mappings_count": "映射数量",
+    "ampcode_lists_overwrite_title": "覆盖列表配置",
+    "ampcode_lists_overwrite_confirm": "当前未成功加载服务器已有多上游/模型映射配置，继续保存可能覆盖或清空这些列表，是否继续？",
     "ampcode_mappings_overwrite_confirm": "当前未成功加载服务器已有映射，继续保存可能覆盖或清空已有映射，是否继续？",
     "openai_title": "OpenAI 兼容提供商",
     "openai_add_button": "添加提供商",
diff --git a/src/pages/AiProvidersAmpcodeEditPage.tsx b/src/pages/AiProvidersAmpcodeEditPage.tsx
index a90e54e..ebc9f7c 100644
--- a/src/pages/AiProvidersAmpcodeEditPage.tsx
+++ b/src/pages/AiProvidersAmpcodeEditPage.tsx
@@ -13,7 +13,11 @@ import { ampcodeApi } from '@/services/api';
 import { useAuthStore, useConfigStore, useNotificationStore } from '@/stores';
 import type { AmpcodeConfig } from '@/types';
 import { maskApiKey } from '@/utils/format';
-import { buildAmpcodeFormState, entriesToAmpcodeMappings } from '@/components/providers/utils';
+import {
+  buildAmpcodeFormState,
+  entriesToAmpcodeMappings,
+  entriesToAmpcodeUpstreamApiKeys,
+} from '@/components/providers/utils';
 import type { AmpcodeFormState } from '@/components/providers';
 import layoutStyles from './AiProvidersEditLayout.module.scss';
 
@@ -34,11 +38,18 @@ const normalizeMappingEntries = (entries: Array<{ name: string; alias: string }>
     return acc;
   }, []);
 
+const normalizeUpstreamApiKeyEntries = (form: AmpcodeFormState) =>
+  entriesToAmpcodeUpstreamApiKeys(form.upstreamApiKeyEntries).map((entry) => ({
+    upstreamApiKey: entry.upstreamApiKey,
+    apiKeys: entry.apiKeys,
+  }));
+
 const buildAmpcodeSignature = (form: AmpcodeFormState) =>
   JSON.stringify({
     upstreamUrl: String(form.upstreamUrl ?? '').trim(),
     upstreamApiKey: String(form.upstreamApiKey ?? '').trim(),
     forceModelMappings: Boolean(form.forceModelMappings),
+    upstreamApiKeys: normalizeUpstreamApiKeyEntries(form),
     modelMappings: normalizeMappingEntries(form.mappingEntries),
   });
 
@@ -57,7 +68,8 @@ export function AiProvidersAmpcodeEditPage() {
   const [form, setForm] = useState<AmpcodeFormState>(() => buildAmpcodeFormState(null));
   const [loading, setLoading] = useState(false);
   const [loaded, setLoaded] = useState(false);
-  const [mappingsDirty, setMappingsDirty] = useState(false);
+  const [modelMappingsDirty, setModelMappingsDirty] = useState(false);
+  const [upstreamApiKeysDirty, setUpstreamApiKeysDirty] = useState(false);
   const [error, setError] = useState('');
   const [saving, setSaving] = useState(false);
   const [baselineSignature, setBaselineSignature] = useState(() =>
@@ -102,7 +114,8 @@ export function AiProvidersAmpcodeEditPage() {
 
     setLoading(true);
     setLoaded(false);
-    setMappingsDirty(false);
+    setModelMappingsDirty(false);
+    setUpstreamApiKeysDirty(false);
     setError('');
     const initialForm = buildAmpcodeFormState(useConfigStore.getState().config?.ampcode ?? null);
     setForm(initialForm);
@@ -183,6 +196,7 @@ export function AiProvidersAmpcodeEditPage() {
     try {
       const upstreamUrl = form.upstreamUrl.trim();
       const overrideKey = form.upstreamApiKey.trim();
+      const upstreamApiKeys = entriesToAmpcodeUpstreamApiKeys(form.upstreamApiKeyEntries);
       const modelMappings = entriesToAmpcodeMappings(form.mappingEntries);
 
       if (upstreamUrl) {
@@ -193,7 +207,15 @@ export function AiProvidersAmpcodeEditPage() {
 
       await ampcodeApi.updateForceModelMappings(form.forceModelMappings);
 
-      if (loaded || mappingsDirty) {
+      if (loaded || upstreamApiKeysDirty) {
+        if (upstreamApiKeys.length) {
+          await ampcodeApi.saveUpstreamApiKeys(upstreamApiKeys);
+        } else {
+          await ampcodeApi.deleteUpstreamApiKeys([]);
+        }
+      }
+
+      if (loaded || modelMappingsDirty) {
         if (modelMappings.length) {
           await ampcodeApi.saveModelMappings(modelMappings);
         } else {
@@ -207,23 +229,29 @@ export function AiProvidersAmpcodeEditPage() {
 
       const previous = config?.ampcode ?? {};
       const next: AmpcodeConfig = {
-        upstreamUrl: upstreamUrl || undefined,
+        ...previous,
         forceModelMappings: form.forceModelMappings,
       };
 
-      if (previous.upstreamApiKey) {
-        next.upstreamApiKey = previous.upstreamApiKey;
-      }
-
-      if (Array.isArray(previous.modelMappings)) {
-        next.modelMappings = previous.modelMappings;
+      if (upstreamUrl) {
+        next.upstreamUrl = upstreamUrl;
+      } else {
+        delete next.upstreamUrl;
       }
 
       if (overrideKey) {
         next.upstreamApiKey = overrideKey;
       }
 
-      if (loaded || mappingsDirty) {
+      if (loaded || upstreamApiKeysDirty) {
+        if (upstreamApiKeys.length) {
+          next.upstreamApiKeys = upstreamApiKeys;
+        } else {
+          delete next.upstreamApiKeys;
+        }
+      }
+
+      if (loaded || modelMappingsDirty) {
         if (modelMappings.length) {
           next.modelMappings = modelMappings;
         } else {
@@ -247,10 +275,10 @@ export function AiProvidersAmpcodeEditPage() {
   };
 
   const saveAmpcode = async () => {
-    if (!loaded && mappingsDirty) {
+    if (!loaded && (modelMappingsDirty || upstreamApiKeysDirty)) {
       showConfirmation({
-        title: t('ai_providers.ampcode_mappings_overwrite_title', { defaultValue: 'Overwrite Mappings' }),
-        message: t('ai_providers.ampcode_mappings_overwrite_confirm'),
+        title: t('ai_providers.ampcode_lists_overwrite_title'),
+        message: t('ai_providers.ampcode_lists_overwrite_confirm'),
         variant: 'secondary',
         confirmText: t('common.confirm'),
         onConfirm: performSaveAmpcode,
@@ -334,6 +362,98 @@ export function AiProvidersAmpcodeEditPage() {
           </Button>
         </div>
 
+        <div className="form-group">
+          <div className={layoutStyles.ampcodeUpstreamMappingsHeader}>
+            <label>{t('ai_providers.ampcode_upstream_api_keys_label')}</label>
+            <Button
+              variant="secondary"
+              size="sm"
+              onClick={() => {
+                setUpstreamApiKeysDirty(true);
+                setForm((prev) => ({
+                  ...prev,
+                  upstreamApiKeyEntries: [
+                    ...prev.upstreamApiKeyEntries,
+                    { upstreamApiKey: '', clientApiKeysText: '' },
+                  ],
+                }));
+              }}
+              disabled={loading || saving || disableControls}
+            >
+              {t('ai_providers.ampcode_upstream_api_keys_add_btn')}
+            </Button>
+          </div>
+          <div className={layoutStyles.ampcodeUpstreamMappingsList}>
+            {(form.upstreamApiKeyEntries.length
+              ? form.upstreamApiKeyEntries
+              : [{ upstreamApiKey: '', clientApiKeysText: '' }]
+            ).map((entry, index, entries) => (
+              <div key={index} className={layoutStyles.ampcodeUpstreamMappingCard}>
+                <div className={layoutStyles.ampcodeUpstreamMappingCardTop}>
+                  <span className={layoutStyles.ampcodeUpstreamMappingTitle}>
+                    {t('ai_providers.ampcode_upstream_api_keys_item_title', { index: index + 1 })}
+                  </span>
+                  <Button
+                    variant="ghost"
+                    size="sm"
+                    onClick={() => {
+                      setUpstreamApiKeysDirty(true);
+                      setForm((prev) => {
+                        const nextEntries = prev.upstreamApiKeyEntries.filter((_, entryIndex) => entryIndex !== index);
+                        return {
+                          ...prev,
+                          upstreamApiKeyEntries: nextEntries.length
+                            ? nextEntries
+                            : [{ upstreamApiKey: '', clientApiKeysText: '' }],
+                        };
+                      });
+                    }}
+                    disabled={loading || saving || disableControls || entries.length <= 1}
+                  >
+                    {t('common.delete')}
+                  </Button>
+                </div>
+                <input
+                  className="input"
+                  placeholder={t('ai_providers.ampcode_upstream_api_keys_upstream_placeholder')}
+                  aria-label={t('ai_providers.ampcode_upstream_api_keys_upstream_placeholder')}
+                  value={entry.upstreamApiKey}
+                  onChange={(e) => {
+                    const value = e.target.value;
+                    setUpstreamApiKeysDirty(true);
+                    setForm((prev) => ({
+                      ...prev,
+                      upstreamApiKeyEntries: prev.upstreamApiKeyEntries.map((item, itemIndex) =>
+                        itemIndex === index ? { ...item, upstreamApiKey: value } : item
+                      ),
+                    }));
+                  }}
+                  disabled={loading || saving || disableControls}
+                />
+                <textarea
+                  className="input"
+                  placeholder={t('ai_providers.ampcode_upstream_api_keys_clients_placeholder')}
+                  aria-label={t('ai_providers.ampcode_upstream_api_keys_clients_placeholder')}
+                  value={entry.clientApiKeysText}
+                  onChange={(e) => {
+                    const value = e.target.value;
+                    setUpstreamApiKeysDirty(true);
+                    setForm((prev) => ({
+                      ...prev,
+                      upstreamApiKeyEntries: prev.upstreamApiKeyEntries.map((item, itemIndex) =>
+                        itemIndex === index ? { ...item, clientApiKeysText: value } : item
+                      ),
+                    }));
+                  }}
+                  rows={3}
+                  disabled={loading || saving || disableControls}
+                />
+              </div>
+            ))}
+          </div>
+          <div className="hint">{t('ai_providers.ampcode_upstream_api_keys_hint')}</div>
+        </div>
+
         <div className="form-group">
           <ToggleSwitch
             label={t('ai_providers.ampcode_force_model_mappings_label')}
@@ -349,7 +469,7 @@ export function AiProvidersAmpcodeEditPage() {
           <ModelInputList
             entries={form.mappingEntries}
             onChange={(entries) => {
-              setMappingsDirty(true);
+              setModelMappingsDirty(true);
               setForm((prev) => ({ ...prev, mappingEntries: entries }));
             }}
             addLabel={t('ai_providers.ampcode_model_mappings_add_btn')}
diff --git a/src/pages/AiProvidersEditLayout.module.scss b/src/pages/AiProvidersEditLayout.module.scss
index 84d97dc..00687c7 100644
--- a/src/pages/AiProvidersEditLayout.module.scss
+++ b/src/pages/AiProvidersEditLayout.module.scss
@@ -31,3 +31,45 @@
   color: var(--text-secondary);
   font-size: 13px;
 }
+
+.ampcodeUpstreamMappingsHeader {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  flex-wrap: wrap;
+
+  label {
+    margin: 0;
+  }
+}
+
+.ampcodeUpstreamMappingsList {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.ampcodeUpstreamMappingCard {
+  border: 1px solid var(--border-color);
+  border-radius: 12px;
+  background: var(--bg-secondary);
+  padding: 12px;
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.ampcodeUpstreamMappingCardTop {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  flex-wrap: wrap;
+}
+
+.ampcodeUpstreamMappingTitle {
+  font-size: 12px;
+  font-weight: 600;
+  color: var(--text-secondary);
+}
diff --git a/src/pages/AiProvidersVertexEditPage.tsx b/src/pages/AiProvidersVertexEditPage.tsx
index 90cb9ea..90596e0 100644
--- a/src/pages/AiProvidersVertexEditPage.tsx
+++ b/src/pages/AiProvidersVertexEditPage.tsx
@@ -13,6 +13,7 @@ import { SecondaryScreenShell } from '@/components/common/SecondaryScreenShell';
 import { providersApi } from '@/services/api';
 import { useAuthStore, useConfigStore, useNotificationStore } from '@/stores';
 import type { ProviderKeyConfig } from '@/types';
+import { excludedModelsToText, parseExcludedModels } from '@/components/providers/utils';
 import { buildHeaderObject, headersToEntries, normalizeHeaderEntries } from '@/utils/headers';
 import type { VertexFormState } from '@/components/providers';
 import layoutStyles from './AiProvidersEditLayout.module.scss';
@@ -26,7 +27,9 @@ const buildEmptyForm = (): VertexFormState => ({
   proxyUrl: '',
   headers: [],
   models: [],
+  excludedModels: [],
   modelEntries: [{ name: '', alias: '' }],
+  excludedText: '',
 });
 
 const parseIndexParam = (value: string | undefined) => {
@@ -54,6 +57,7 @@ const buildVertexSignature = (form: VertexFormState) =>
     proxyUrl: String(form.proxyUrl ?? '').trim(),
     headers: normalizeHeaderEntries(form.headers),
     models: normalizeModelEntries(form.modelEntries),
+    excludedModels: parseExcludedModels(form.excludedText ?? ''),
   });
 
 export function AiProvidersVertexEditPage() {
@@ -153,6 +157,7 @@ export function AiProvidersVertexEditPage() {
         ...initialData,
         headers: headersToEntries(initialData.headers),
         modelEntries: modelsToEntries(initialData.models),
+        excludedText: excludedModelsToText(initialData.excludedModels),
       };
       setForm(nextForm);
       setBaselineSignature(buildVertexSignature(nextForm));
@@ -213,6 +218,7 @@ export function AiProvidersVertexEditPage() {
             return { name, alias };
           })
           .filter(Boolean) as ProviderKeyConfig['models'],
+        excludedModels: parseExcludedModels(form.excludedText),
       };
 
       const nextList =
@@ -343,6 +349,18 @@ export function AiProvidersVertexEditPage() {
               />
               <div className="hint">{t('ai_providers.vertex_models_hint')}</div>
             </div>
+            <div className="form-group">
+              <label>{t('ai_providers.excluded_models_label')}</label>
+              <textarea
+                className="input"
+                placeholder={t('ai_providers.excluded_models_placeholder')}
+                value={form.excludedText}
+                onChange={(e) => setForm((prev) => ({ ...prev, excludedText: e.target.value }))}
+                rows={4}
+                disabled={disableControls || saving}
+              />
+              <div className="hint">{t('ai_providers.excluded_models_hint')}</div>
+            </div>
           </>
         )}
       </Card>
diff --git a/src/services/api/ampcode.ts b/src/services/api/ampcode.ts
index 392df6b..4071f08 100644
--- a/src/services/api/ampcode.ts
+++ b/src/services/api/ampcode.ts
@@ -3,8 +3,18 @@
  */
 
 import { apiClient } from './client';
-import { normalizeAmpcodeConfig, normalizeAmpcodeModelMappings } from './transformers';
-import type { AmpcodeConfig, AmpcodeModelMapping } from '@/types';
+import {
+  normalizeAmpcodeConfig,
+  normalizeAmpcodeModelMappings,
+  normalizeAmpcodeUpstreamApiKeys,
+} from './transformers';
+import type { AmpcodeConfig, AmpcodeModelMapping, AmpcodeUpstreamApiKeyMapping } from '@/types';
+
+const serializeUpstreamApiKeyMappings = (mappings: AmpcodeUpstreamApiKeyMapping[]) =>
+  mappings.map((mapping) => ({
+    'upstream-api-key': mapping.upstreamApiKey,
+    'api-keys': mapping.apiKeys,
+  }));
 
 export const ampcodeApi = {
   async getAmpcode(): Promise<AmpcodeConfig> {
@@ -18,6 +28,19 @@ export const ampcodeApi = {
   updateUpstreamApiKey: (apiKey: string) => apiClient.put('/ampcode/upstream-api-key', { value: apiKey }),
   clearUpstreamApiKey: () => apiClient.delete('/ampcode/upstream-api-key'),
 
+  async getUpstreamApiKeys(): Promise<AmpcodeUpstreamApiKeyMapping[]> {
+    const data = await apiClient.get<Record<string, unknown>>('/ampcode/upstream-api-keys');
+    const list = data?.['upstream-api-keys'] ?? data?.upstreamApiKeys ?? data?.items ?? data;
+    return normalizeAmpcodeUpstreamApiKeys(list);
+  },
+
+  saveUpstreamApiKeys: (mappings: AmpcodeUpstreamApiKeyMapping[]) =>
+    apiClient.put('/ampcode/upstream-api-keys', { value: serializeUpstreamApiKeyMappings(mappings) }),
+  patchUpstreamApiKeys: (mappings: AmpcodeUpstreamApiKeyMapping[]) =>
+    apiClient.patch('/ampcode/upstream-api-keys', { value: serializeUpstreamApiKeyMappings(mappings) }),
+  deleteUpstreamApiKeys: (upstreamApiKeys: string[]) =>
+    apiClient.delete('/ampcode/upstream-api-keys', { data: { value: upstreamApiKeys } }),
+
   async getModelMappings(): Promise<AmpcodeModelMapping[]> {
     const data = await apiClient.get<Record<string, unknown>>('/ampcode/model-mappings');
     const list = data?.['model-mappings'] ?? data?.modelMappings ?? data?.items ?? data;
@@ -34,4 +57,3 @@ export const ampcodeApi = {
 
   updateForceModelMappings: (enabled: boolean) => apiClient.put('/ampcode/force-model-mappings', { value: enabled })
 };
-
diff --git a/src/services/api/providers.ts b/src/services/api/providers.ts
index c522905..c294731 100644
--- a/src/services/api/providers.ts
+++ b/src/services/api/providers.ts
@@ -107,6 +107,9 @@ const serializeVertexKey = (config: ProviderKeyConfig) => {
   if (headers) payload.headers = headers;
   const models = serializeVertexModelAliases(config.models);
   if (models && models.length) payload.models = models;
+  if (config.excludedModels && config.excludedModels.length) {
+    payload['excluded-models'] = config.excludedModels;
+  }
   return payload;
 };
 
diff --git a/src/services/api/transformers.ts b/src/services/api/transformers.ts
index 3de5d3a..08b21fe 100644
--- a/src/services/api/transformers.ts
+++ b/src/services/api/transformers.ts
@@ -6,7 +6,8 @@ import type {
   OpenAIProviderConfig,
   ProviderKeyConfig,
   AmpcodeConfig,
-  AmpcodeModelMapping
+  AmpcodeModelMapping,
+  AmpcodeUpstreamApiKeyMapping
 } from '@/types';
 import type { Config } from '@/types/config';
 import { buildHeaderObject } from '@/utils/headers';
@@ -276,6 +277,33 @@ const normalizeAmpcodeModelMappings = (input: unknown): AmpcodeModelMapping[] =>
   return mappings;
 };
 
+const normalizeAmpcodeUpstreamApiKeys = (input: unknown): AmpcodeUpstreamApiKeyMapping[] => {
+  if (!Array.isArray(input)) return [];
+
+  const seen = new Set<string>();
+  const mappings: AmpcodeUpstreamApiKeyMapping[] = [];
+
+  input.forEach((entry) => {
+    if (!isRecord(entry)) return;
+
+    const upstreamApiKey = String(
+      entry['upstream-api-key'] ?? entry.upstreamApiKey ?? entry['upstream_api_key'] ?? ''
+    ).trim();
+    if (!upstreamApiKey || seen.has(upstreamApiKey)) return;
+
+    const rawApiKeys = entry['api-keys'] ?? entry.apiKeys ?? entry['api_keys'] ?? [];
+    const apiKeys = Array.isArray(rawApiKeys)
+      ? Array.from(new Set(rawApiKeys.map((item) => String(item ?? '').trim()).filter(Boolean)))
+      : [];
+    if (!apiKeys.length) return;
+
+    seen.add(upstreamApiKey);
+    mappings.push({ upstreamApiKey, apiKeys });
+  });
+
+  return mappings;
+};
+
 const normalizeAmpcodeConfig = (payload: unknown): AmpcodeConfig | undefined => {
   const sourceRaw = isRecord(payload) ? (payload.ampcode ?? payload) : payload;
   if (!isRecord(sourceRaw)) return undefined;
@@ -287,6 +315,13 @@ const normalizeAmpcodeConfig = (payload: unknown): AmpcodeConfig | undefined =>
   const upstreamApiKey = source['upstream-api-key'] ?? source.upstreamApiKey ?? source['upstream_api_key'];
   if (upstreamApiKey) config.upstreamApiKey = String(upstreamApiKey);
 
+  const upstreamApiKeys = normalizeAmpcodeUpstreamApiKeys(
+    source['upstream-api-keys'] ?? source.upstreamApiKeys ?? source['upstream_api_keys']
+  );
+  if (upstreamApiKeys.length) {
+    config.upstreamApiKeys = upstreamApiKeys;
+  }
+
   const forceModelMappings = normalizeBoolean(
     source['force-model-mappings'] ?? source.forceModelMappings ?? source['force_model_mappings']
   );
@@ -420,5 +455,6 @@ export {
   normalizeHeaders,
   normalizeExcludedModels,
   normalizeAmpcodeConfig,
-  normalizeAmpcodeModelMappings
+  normalizeAmpcodeModelMappings,
+  normalizeAmpcodeUpstreamApiKeys
 };
diff --git a/src/types/ampcode.ts b/src/types/ampcode.ts
index 7668dee..e2af8cc 100644
--- a/src/types/ampcode.ts
+++ b/src/types/ampcode.ts
@@ -7,10 +7,15 @@ export interface AmpcodeModelMapping {
   to: string;
 }
 
+export interface AmpcodeUpstreamApiKeyMapping {
+  upstreamApiKey: string;
+  apiKeys: string[];
+}
+
 export interface AmpcodeConfig {
   upstreamUrl?: string;
   upstreamApiKey?: string;
+  upstreamApiKeys?: AmpcodeUpstreamApiKeyMapping[];
   modelMappings?: AmpcodeModelMapping[];
   forceModelMappings?: boolean;
 }
-