diff --git a/src/renderer/src/aiCore/index_new.ts b/src/renderer/src/aiCore/index_new.ts
index cf12a46aa6..ed92d4ddd8 100644
--- a/src/renderer/src/aiCore/index_new.ts
+++ b/src/renderer/src/aiCore/index_new.ts
@@ -27,6 +27,7 @@ import { buildAiSdkMiddlewares } from './middleware/AiSdkMiddlewareBuilder'
 import { buildPlugins } from './plugins/PluginBuilder'
 import { createAiSdkProvider } from './provider/factory'
 import {
+  adaptProvider,
   getActualProvider,
   isModernSdkSupported,
   prepareSpecialProviderConfig,
@@ -64,12 +65,11 @@ export default class ModernAiProvider {
    *    - URL will be automatically formatted via `formatProviderApiHost`, adding version suffixes like `/v1`
    *
    * 2. When called with `(model, provider)`:
-   *    - **Directly uses the provided provider WITHOUT going through `getActualProvider`**
-   *    - **URL will NOT be automatically formatted, `/v1` suffix will NOT be added**
-   *    - This is legacy behavior kept for backward compatibility
+   *    - The provided provider will be adapted via `adaptProvider`
+   *    - URL formatting behavior depends on the adapted result
    *
    * 3. When called with `(provider)`:
-   *    - Directly uses the provider without requiring a model
+   *    - The provider will be adapted via `adaptProvider`
    *    - Used for operations that don't need a model (e.g., fetchModels)
    *
    * @example
@@ -77,7 +77,7 @@ export default class ModernAiProvider {
    * // Recommended: Auto-format URL
    * const ai = new ModernAiProvider(model)
    *
-   * // Not recommended: Skip URL formatting (only for special cases)
+   * // Provider will be adapted
    * const ai = new ModernAiProvider(model, customProvider)
    *
    * // For operations that don't need a model
@@ -91,12 +91,12 @@ export default class ModernAiProvider {
     if (this.isModel(modelOrProvider)) {
       // 传入的是 Model
       this.model = modelOrProvider
-      this.actualProvider = provider || getActualProvider(modelOrProvider)
+      this.actualProvider = provider ? adaptProvider({ provider }) : getActualProvider(modelOrProvider)
       // 只保存配置，不预先创建executor
       this.config = providerToAiSdkConfig(this.actualProvider, modelOrProvider)
     } else {
       // 传入的是 Provider
-      this.actualProvider = modelOrProvider
+      this.actualProvider = adaptProvider({ provider: modelOrProvider })
       // model为可选，某些操作（如fetchModels）不需要model
     }
 
diff --git a/src/renderer/src/aiCore/provider/providerConfig.ts b/src/renderer/src/aiCore/provider/providerConfig.ts
index 53194d3506..3ed3633d7c 100644
--- a/src/renderer/src/aiCore/provider/providerConfig.ts
+++ b/src/renderer/src/aiCore/provider/providerConfig.ts
@@ -78,11 +78,13 @@ function handleSpecialProviders(model: Model, provider: Provider): Provider {
 }
 
 /**
- * 主要用来对齐AISdk的BaseURL格式
- * @param provider
- * @returns
+ * Format and normalize the API host URL for a provider.
+ * Handles provider-specific URL formatting rules (e.g., appending version paths, Azure formatting).
+ *
+ * @param provider - The provider whose API host is to be formatted.
+ * @returns A new provider instance with the formatted API host.
  */
-function formatProviderApiHost(provider: Provider): Provider {
+export function formatProviderApiHost(provider: Provider): Provider {
   const formatted = { ...provider }
   if (formatted.anthropicApiHost) {
     formatted.anthropicApiHost = formatApiHost(formatted.anthropicApiHost)
@@ -114,18 +116,38 @@ function formatProviderApiHost(provider: Provider): Provider {
 }
 
 /**
- * 获取实际的Provider配置
- * 简化版：将逻辑分解为小函数
+ * Retrieve the effective Provider configuration for the given model.
+ * Applies all necessary transformations (special-provider handling, URL formatting, etc.).
+ *
+ * @param model - The model whose provider is to be resolved.
+ * @returns A new Provider instance with all adaptations applied.
  */
 export function getActualProvider(model: Model): Provider {
   const baseProvider = getProviderByModel(model)
 
-  // 按顺序处理各种转换
-  let actualProvider = cloneDeep(baseProvider)
-  actualProvider = handleSpecialProviders(model, actualProvider)
-  actualProvider = formatProviderApiHost(actualProvider)
+  return adaptProvider({ provider: baseProvider, model })
+}
 
-  return actualProvider
+/**
+ * Transforms a provider configuration by applying model-specific adaptations and normalizing its API host.
+ * The transformations are applied in the following order:
+ * 1. Model-specific provider handling (e.g., New-API, system providers, Azure OpenAI)
+ * 2. API host formatting (provider-specific URL normalization)
+ *
+ * @param provider - The base provider configuration to transform.
+ * @param model - The model associated with the provider; optional but required for special-provider handling.
+ * @returns A new Provider instance with all transformations applied.
+ */
+export function adaptProvider({ provider, model }: { provider: Provider; model?: Model }): Provider {
+  let adaptedProvider = cloneDeep(provider)
+
+  // Apply transformations in order
+  if (model) {
+    adaptedProvider = handleSpecialProviders(model, adaptedProvider)
+  }
+  adaptedProvider = formatProviderApiHost(adaptedProvider)
+
+  return adaptedProvider
 }
 
 /**
diff --git a/src/renderer/src/i18n/locales/en-us.json b/src/renderer/src/i18n/locales/en-us.json
index 782340e011..85e76b5cf4 100644
--- a/src/renderer/src/i18n/locales/en-us.json
+++ b/src/renderer/src/i18n/locales/en-us.json
@@ -4372,7 +4372,7 @@
         "url": {
           "preview": "Preview: {{url}}",
           "reset": "Reset",
-          "tip": "ending with # forces use of input address"
+          "tip": "Add # at the end to disable the automatically appended API version."
         }
       },
       "api_host": "API Host",
diff --git a/src/renderer/src/i18n/locales/zh-cn.json b/src/renderer/src/i18n/locales/zh-cn.json
index c1874f7fb8..0ccfa0b16d 100644
--- a/src/renderer/src/i18n/locales/zh-cn.json
+++ b/src/renderer/src/i18n/locales/zh-cn.json
@@ -4372,7 +4372,7 @@
         "url": {
           "preview": "预览: {{url}}",
           "reset": "重置",
-          "tip": "# 结尾强制使用输入地址"
+          "tip": "在末尾添加 # 以禁用自动附加的API版本。"
         }
       },
       "api_host": "API 地址",
diff --git a/src/renderer/src/i18n/locales/zh-tw.json b/src/renderer/src/i18n/locales/zh-tw.json
index db81e30006..d21f66ccb3 100644
--- a/src/renderer/src/i18n/locales/zh-tw.json
+++ b/src/renderer/src/i18n/locales/zh-tw.json
@@ -4372,7 +4372,7 @@
         "url": {
           "preview": "預覽：{{url}}",
           "reset": "重設",
-          "tip": "# 結尾強制使用輸入位址"
+          "tip": "在末尾添加 # 以停用自動附加的 API 版本。"
         }
       },
       "api_host": "API 主機地址",
diff --git a/src/renderer/src/i18n/translate/de-de.json b/src/renderer/src/i18n/translate/de-de.json
index e7314482a3..7d11af7a11 100644
--- a/src/renderer/src/i18n/translate/de-de.json
+++ b/src/renderer/src/i18n/translate/de-de.json
@@ -4372,7 +4372,7 @@
         "url": {
           "preview": "Vorschau: {{url}}",
           "reset": "Zurücksetzen",
-          "tip": "# am Ende erzwingt die Verwendung der Eingabe-Adresse"
+          "tip": "Fügen Sie am Ende ein # hinzu, um die automatisch angehängte API-Version zu deaktivieren."
         }
       },
       "api_host": "API-Adresse",
diff --git a/src/renderer/src/i18n/translate/el-gr.json b/src/renderer/src/i18n/translate/el-gr.json
index bc825ec688..f451e8af33 100644
--- a/src/renderer/src/i18n/translate/el-gr.json
+++ b/src/renderer/src/i18n/translate/el-gr.json
@@ -4372,7 +4372,7 @@
         "url": {
           "preview": "Προεπισκόπηση: {{url}}",
           "reset": "Επαναφορά",
-          "tip": "#τέλος ενδεχόμενη χρήση της εισαγωγής διευθύνσεως"
+          "tip": "Προσθέστε το σύμβολο # στο τέλος για να απενεργοποιήσετε την αυτόματα προστιθέμενη έκδοση API."
         }
       },
       "api_host": "Διεύθυνση API",
diff --git a/src/renderer/src/i18n/translate/es-es.json b/src/renderer/src/i18n/translate/es-es.json
index 2da83ad229..ee2b03d06b 100644
--- a/src/renderer/src/i18n/translate/es-es.json
+++ b/src/renderer/src/i18n/translate/es-es.json
@@ -4372,7 +4372,7 @@
         "url": {
           "preview": "Vista previa: {{url}}",
           "reset": "Restablecer",
-          "tip": "forzar uso de dirección de entrada con # al final"
+          "tip": "Añada # al final para deshabilitar la versión de la API que se añade automáticamente."
         }
       },
       "api_host": "Dirección API",
diff --git a/src/renderer/src/i18n/translate/fr-fr.json b/src/renderer/src/i18n/translate/fr-fr.json
index 3f3e9108c5..e909edc257 100644
--- a/src/renderer/src/i18n/translate/fr-fr.json
+++ b/src/renderer/src/i18n/translate/fr-fr.json
@@ -4372,7 +4372,7 @@
         "url": {
           "preview": "Aperçu : {{url}}",
           "reset": "Réinitialiser",
-          "tip": "forcer l'utilisation de l'adresse d'entrée si terminé par #"
+          "tip": "Ajoutez # à la fin pour désactiver la version d'API ajoutée automatiquement."
         }
       },
       "api_host": "Adresse API",
diff --git a/src/renderer/src/i18n/translate/ja-jp.json b/src/renderer/src/i18n/translate/ja-jp.json
index e2591fb20d..aa705da38d 100644
--- a/src/renderer/src/i18n/translate/ja-jp.json
+++ b/src/renderer/src/i18n/translate/ja-jp.json
@@ -4372,7 +4372,7 @@
         "url": {
           "preview": "プレビュー: {{url}}",
           "reset": "リセット",
-          "tip": "#で終わる場合、入力されたアドレスを強制的に使用します"
+          "tip": "自動的に付加されるAPIバージョンを無効にするには、末尾に#を追加します。"
         }
       },
       "api_host": "APIホスト",
diff --git a/src/renderer/src/i18n/translate/pt-pt.json b/src/renderer/src/i18n/translate/pt-pt.json
index cae6ebd38d..056306838e 100644
--- a/src/renderer/src/i18n/translate/pt-pt.json
+++ b/src/renderer/src/i18n/translate/pt-pt.json
@@ -4372,7 +4372,7 @@
         "url": {
           "preview": "Pré-visualização: {{url}}",
           "reset": "Redefinir",
-          "tip": "e forçar o uso do endereço original quando terminar com '#'"
+          "tip": "Adicione # no final para desativar a versão da API adicionada automaticamente."
         }
       },
       "api_host": "Endereço API",
diff --git a/src/renderer/src/i18n/translate/ru-ru.json b/src/renderer/src/i18n/translate/ru-ru.json
index fe5ebbcb25..12d696ec86 100644
--- a/src/renderer/src/i18n/translate/ru-ru.json
+++ b/src/renderer/src/i18n/translate/ru-ru.json
@@ -4372,7 +4372,7 @@
         "url": {
           "preview": "Предпросмотр: {{url}}",
           "reset": "Сброс",
-          "tip": "заканчивая на # принудительно использует введенный адрес"
+          "tip": "Добавьте # в конце, чтобы отключить автоматически добавляемую версию API."
         }
       },
       "api_host": "Хост API",
diff --git a/src/renderer/src/pages/settings/ProviderSettings/ProviderSetting.tsx b/src/renderer/src/pages/settings/ProviderSettings/ProviderSetting.tsx
index f341ac9229..da05409683 100644
--- a/src/renderer/src/pages/settings/ProviderSettings/ProviderSetting.tsx
+++ b/src/renderer/src/pages/settings/ProviderSettings/ProviderSetting.tsx
@@ -1,8 +1,10 @@
+import { adaptProvider } from '@renderer/aiCore/provider/providerConfig'
 import OpenAIAlert from '@renderer/components/Alert/OpenAIAlert'
 import { LoadingIcon } from '@renderer/components/Icons'
 import { HStack } from '@renderer/components/Layout'
 import { ApiKeyListPopup } from '@renderer/components/Popups/ApiKeyListPopup'
 import Selector from '@renderer/components/Selector'
+import { HelpTooltip } from '@renderer/components/TooltipIcons'
 import { isEmbeddingModel, isRerankModel } from '@renderer/config/models'
 import { PROVIDER_URLS } from '@renderer/config/providers'
 import { useTheme } from '@renderer/context/ThemeProvider'
@@ -19,14 +21,7 @@ import type { SystemProviderId } from '@renderer/types'
 import { isSystemProvider, isSystemProviderId, SystemProviderIds } from '@renderer/types'
 import type { ApiKeyConnectivity } from '@renderer/types/healthCheck'
 import { HealthStatus } from '@renderer/types/healthCheck'
-import {
-  formatApiHost,
-  formatApiKeys,
-  formatAzureOpenAIApiHost,
-  formatVertexApiHost,
-  getFancyProviderName,
-  validateApiHost
-} from '@renderer/utils'
+import { formatApiHost, formatApiKeys, getFancyProviderName, validateApiHost } from '@renderer/utils'
 import { formatErrorMessage } from '@renderer/utils/error'
 import {
   isAIGatewayProvider,
@@ -36,7 +31,6 @@ import {
   isNewApiProvider,
   isOpenAICompatibleProvider,
   isOpenAIProvider,
-  isSupportAPIVersionProvider,
   isVertexProvider
 } from '@renderer/utils/provider'
 import { Button, Divider, Flex, Input, Select, Space, Switch, Tooltip } from 'antd'
@@ -281,12 +275,10 @@ const ProviderSetting: FC<Props> = ({ providerId }) => {
   }, [configuredApiHost, apiHost])
 
   const hostPreview = () => {
-    if (apiHost.endsWith('#')) {
-      return apiHost.replace('#', '')
-    }
+    const formattedApiHost = adaptProvider({ provider: { ...provider, apiHost } }).apiHost
 
     if (isOpenAICompatibleProvider(provider)) {
-      return formatApiHost(apiHost, isSupportAPIVersionProvider(provider)) + '/chat/completions'
+      return formattedApiHost + '/chat/completions'
     }
 
     if (isAzureOpenAIProvider(provider)) {
@@ -294,29 +286,26 @@ const ProviderSetting: FC<Props> = ({ providerId }) => {
       const path = !['preview', 'v1'].includes(apiVersion)
         ? `/v1/chat/completion?apiVersion=v1`
         : `/v1/responses?apiVersion=v1`
-      return formatAzureOpenAIApiHost(apiHost) + path
+      return formattedApiHost + path
     }
 
     if (isAnthropicProvider(provider)) {
-      // AI SDK uses the baseURL with /v1, then appends /messages
-      // formatApiHost adds /v1 automatically if not present
-      const normalizedHost = formatApiHost(apiHost)
-      return normalizedHost + '/messages'
+      return formattedApiHost + '/messages'
     }
 
     if (isGeminiProvider(provider)) {
-      return formatApiHost(apiHost, true, 'v1beta') + '/models'
+      return formattedApiHost + '/models'
     }
     if (isOpenAIProvider(provider)) {
-      return formatApiHost(apiHost) + '/responses'
+      return formattedApiHost + '/responses'
     }
     if (isVertexProvider(provider)) {
-      return formatVertexApiHost(provider) + '/publishers/google'
+      return formattedApiHost + '/publishers/google'
     }
     if (isAIGatewayProvider(provider)) {
-      return formatApiHost(apiHost) + '/language-model'
+      return formattedApiHost + '/language-model'
     }
-    return formatApiHost(apiHost)
+    return formattedApiHost
   }
 
   // API key 连通性检查状态指示器，目前仅在失败时显示
@@ -494,16 +483,21 @@ const ProviderSetting: FC<Props> = ({ providerId }) => {
           {!isDmxapi && (
             <>
               <SettingSubtitle style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
-                <Tooltip title={hostSelectorTooltip} mouseEnterDelay={0.3}>
-                  <Selector
-                    size={14}
-                    value={activeHostField}
-                    onChange={(value) => setActiveHostField(value as HostField)}
-                    options={hostSelectorOptions}
-                    style={{ paddingLeft: 1, fontWeight: 'bold' }}
-                    placement="bottomLeft"
-                  />
-                </Tooltip>
+                <div className="flex items-center gap-1">
+                  <Tooltip title={hostSelectorTooltip} mouseEnterDelay={0.3}>
+                    <div>
+                      <Selector
+                        size={14}
+                        value={activeHostField}
+                        onChange={(value) => setActiveHostField(value as HostField)}
+                        options={hostSelectorOptions}
+                        style={{ paddingLeft: 1, fontWeight: 'bold' }}
+                        placement="bottomLeft"
+                      />
+                    </div>
+                  </Tooltip>
+                  <HelpTooltip title={t('settings.provider.api.url.tip')}></HelpTooltip>
+                </div>
                 <div style={{ display: 'flex', alignItems: 'center', gap: 4 }}>
                   <Button
                     type="text"
diff --git a/src/renderer/src/utils/__tests__/api.test.ts b/src/renderer/src/utils/__tests__/api.test.ts
index 5b9d0f64f6..c00c2e0f60 100644
--- a/src/renderer/src/utils/__tests__/api.test.ts
+++ b/src/renderer/src/utils/__tests__/api.test.ts
@@ -13,7 +13,8 @@ import {
   routeToEndpoint,
   splitApiKeyString,
   validateApiHost,
-  withoutTrailingApiVersion
+  withoutTrailingApiVersion,
+  withoutTrailingSharp
 } from '../api'
 
 vi.mock('@renderer/store', () => {
@@ -81,6 +82,27 @@ describe('api', () => {
     it('keeps host untouched when api version unsupported', () => {
       expect(formatApiHost('https://api.example.com', false)).toBe('https://api.example.com')
     })
+
+    it('removes trailing # and does not append api version when host ends with #', () => {
+      expect(formatApiHost('https://api.example.com#')).toBe('https://api.example.com')
+      expect(formatApiHost('http://localhost:5173/#')).toBe('http://localhost:5173/')
+      expect(formatApiHost(' https://api.openai.com/# ')).toBe('https://api.openai.com/')
+    })
+
+    it('handles trailing # with custom api version settings', () => {
+      expect(formatApiHost('https://api.example.com#', true, 'v2')).toBe('https://api.example.com')
+      expect(formatApiHost('https://api.example.com#', false, 'v2')).toBe('https://api.example.com')
+    })
+
+    it('handles host with both trailing # and existing api version', () => {
+      expect(formatApiHost('https://api.example.com/v2#')).toBe('https://api.example.com/v2')
+      expect(formatApiHost('https://api.example.com/v3beta#')).toBe('https://api.example.com/v3beta')
+    })
+
+    it('trims whitespace before processing trailing #', () => {
+      expect(formatApiHost('  https://api.example.com#  ')).toBe('https://api.example.com')
+      expect(formatApiHost('\thttps://api.example.com#\n')).toBe('https://api.example.com')
+    })
   })
 
   describe('hasAPIVersion', () => {
@@ -404,4 +426,56 @@ describe('api', () => {
       expect(withoutTrailingApiVersion('')).toBe('')
     })
   })
+
+  describe('withoutTrailingSharp', () => {
+    it('removes trailing # from URL', () => {
+      expect(withoutTrailingSharp('https://api.example.com#')).toBe('https://api.example.com')
+      expect(withoutTrailingSharp('http://localhost:3000#')).toBe('http://localhost:3000')
+    })
+
+    it('returns URL unchanged when no trailing #', () => {
+      expect(withoutTrailingSharp('https://api.example.com')).toBe('https://api.example.com')
+      expect(withoutTrailingSharp('http://localhost:3000')).toBe('http://localhost:3000')
+    })
+
+    it('handles URLs with multiple # characters but only removes trailing one', () => {
+      expect(withoutTrailingSharp('https://api.example.com#path#')).toBe('https://api.example.com#path')
+    })
+
+    it('handles URLs with # in the middle (not trailing)', () => {
+      expect(withoutTrailingSharp('https://api.example.com#section/path')).toBe('https://api.example.com#section/path')
+      expect(withoutTrailingSharp('https://api.example.com/v1/chat/completions#')).toBe(
+        'https://api.example.com/v1/chat/completions'
+      )
+    })
+
+    it('handles empty string', () => {
+      expect(withoutTrailingSharp('')).toBe('')
+    })
+
+    it('handles single character #', () => {
+      expect(withoutTrailingSharp('#')).toBe('')
+    })
+
+    it('preserves whitespace around the URL (pure function)', () => {
+      expect(withoutTrailingSharp('  https://api.example.com#  ')).toBe('  https://api.example.com#  ')
+      expect(withoutTrailingSharp('\thttps://api.example.com#\n')).toBe('\thttps://api.example.com#\n')
+    })
+
+    it('only removes exact trailing # character', () => {
+      expect(withoutTrailingSharp('https://api.example.com# ')).toBe('https://api.example.com# ')
+      expect(withoutTrailingSharp(' https://api.example.com#')).toBe(' https://api.example.com')
+      expect(withoutTrailingSharp('https://api.example.com#\t')).toBe('https://api.example.com#\t')
+    })
+
+    it('handles URLs ending with multiple # characters', () => {
+      expect(withoutTrailingSharp('https://api.example.com##')).toBe('https://api.example.com#')
+      expect(withoutTrailingSharp('https://api.example.com###')).toBe('https://api.example.com##')
+    })
+
+    it('preserves URL with trailing # and other content', () => {
+      expect(withoutTrailingSharp('https://api.example.com/v1#')).toBe('https://api.example.com/v1')
+      expect(withoutTrailingSharp('https://api.example.com/v2beta#')).toBe('https://api.example.com/v2beta')
+    })
+  })
 })
diff --git a/src/renderer/src/utils/api.ts b/src/renderer/src/utils/api.ts
index 72d44c5c25..efadb7813c 100644
--- a/src/renderer/src/utils/api.ts
+++ b/src/renderer/src/utils/api.ts
@@ -62,6 +62,23 @@ export function withoutTrailingSlash<T extends string>(url: T): T {
   return url.replace(/\/$/, '') as T
 }
 
+/**
+ * Removes the trailing '#' from a URL string if it exists.
+ *
+ * @template T - The string type to preserve type safety
+ * @param {T} url - The URL string to process
+ * @returns {T} The URL string without a trailing '#'
+ *
+ * @example
+ * ```ts
+ * withoutTrailingSharp('https://example.com#') // 'https://example.com'
+ * withoutTrailingSharp('https://example.com')  // 'https://example.com'
+ * ```
+ */
+export function withoutTrailingSharp<T extends string>(url: T): T {
+  return url.replace(/#$/, '') as T
+}
+
 /**
  * Formats an API host URL by normalizing it and optionally appending an API version.
  *
@@ -70,12 +87,12 @@ export function withoutTrailingSlash<T extends string>(url: T): T {
  * @param apiVersion - The API version to append if needed. Defaults to `'v1'`.
  *
  * @returns The formatted API host URL. If the host is empty after normalization, returns an empty string.
- *          If the host ends with '#', API version is not supported, or the host already contains a version, returns the normalized host as-is.
+ *          If the host ends with '#', API version is not supported, or the host already contains a version, returns the normalized host with trailing '#' removed.
  *          Otherwise, returns the host with the API version appended.
  *
  * @example
  * formatApiHost('https://api.example.com/') // Returns 'https://api.example.com/v1'
- * formatApiHost('https://api.example.com#') // Returns 'https://api.example.com#'
+ * formatApiHost('https://api.example.com#') // Returns 'https://api.example.com'
  * formatApiHost('https://api.example.com/v2', true, 'v1') // Returns 'https://api.example.com/v2'
  */
 export function formatApiHost(host?: string, supportApiVersion: boolean = true, apiVersion: string = 'v1'): string {
@@ -84,10 +101,13 @@ export function formatApiHost(host?: string, supportApiVersion: boolean = true,
     return ''
   }
 
-  if (normalizedHost.endsWith('#') || !supportApiVersion || hasAPIVersion(normalizedHost)) {
-    return normalizedHost
+  const shouldAppendApiVersion = !(normalizedHost.endsWith('#') || !supportApiVersion || hasAPIVersion(normalizedHost))
+
+  if (shouldAppendApiVersion) {
+    return `${normalizedHost}/${apiVersion}`
+  } else {
+    return withoutTrailingSharp(normalizedHost)
   }
-  return `${normalizedHost}/${apiVersion}`
 }
 
 /**