diff --git a/apps/ui-admin/src/App.vue b/apps/ui-admin/src/App.vue
index 55130861e..8446871e1 100644
--- a/apps/ui-admin/src/App.vue
+++ b/apps/ui-admin/src/App.vue
@@ -6,13 +6,16 @@ import { computed, onMounted, shallowRef } from 'vue'
 import { RouterLink, RouterView, useRoute } from 'vue-router'
 import { Toaster } from 'vue-sonner'
 
-import { adminApi, AdminApiError, signInUrl } from './modules/api'
+import ApiEnvironmentSelect from './components/admin-shell/ApiEnvironmentSelect.vue'
+
+import { adminApi, AdminApiError, apiServerUrl, signInUrl } from './modules/api'
 
 const route = useRoute()
 
 const loading = shallowRef(true)
 const me = shallowRef<AdminMe | null>(null)
 const accessError = shallowRef<string | null>(null)
+const currentApiServerUrl = apiServerUrl()
 
 const navItems = [
   { to: '/', icon: 'i-lucide-layout-dashboard', label: 'Overview' },
@@ -138,6 +141,7 @@ onMounted(async () => {
               {{ currentTitle }}
             </h1>
           </div>
+          <ApiEnvironmentSelect :api-server-url="currentApiServerUrl" />
         </header>
         <div class="admin-content">
           <RouterView />
diff --git a/apps/ui-admin/src/components/admin-shell/ApiEnvironmentSelect.vue b/apps/ui-admin/src/components/admin-shell/ApiEnvironmentSelect.vue
new file mode 100644
index 000000000..1ecca4c69
--- /dev/null
+++ b/apps/ui-admin/src/components/admin-shell/ApiEnvironmentSelect.vue
@@ -0,0 +1,60 @@
+<script setup lang="ts">
+import { computed } from 'vue'
+
+import { ADMIN_API_ENVIRONMENTS, apiEnvironmentValueFor, buildApiServerSwitchUrl } from '../../modules/server-admin-context'
+
+const props = defineProps<{
+  apiServerUrl: string
+}>()
+
+const selectedEnvironment = computed(() => apiEnvironmentValueFor(props.apiServerUrl))
+
+function switchEnvironment(event: Event) {
+  const target = event.target
+  if (!(target instanceof HTMLSelectElement))
+    return
+
+  if (target.value === selectedEnvironment.value)
+    return
+
+  window.location.assign(buildApiServerSwitchUrl(window.location.href, target.value))
+}
+</script>
+
+<template>
+  <label :class="['flex', 'items-center', 'gap-2', 'text-xs', 'text-neutral-500', 'dark:text-neutral-400']">
+    <span :class="['i-lucide-server', 'h-4', 'w-4', 'shrink-0']" />
+    <span :class="['sr-only']">API environment</span>
+    <select
+      :class="[
+        'h-8',
+        'max-w-[180px]',
+        'rounded-md',
+        'border',
+        'border-neutral-200',
+        'bg-white',
+        'px-2',
+        'text-xs',
+        'font-medium',
+        'text-neutral-700',
+        'outline-none',
+        'dark:border-neutral-800',
+        'dark:bg-neutral-950',
+        'dark:text-neutral-200',
+        'focus:border-emerald-500',
+        'focus:ring-3',
+        'focus:ring-emerald-500/14',
+      ]"
+      :value="selectedEnvironment"
+      @change="switchEnvironment"
+    >
+      <option
+        v-for="environment in ADMIN_API_ENVIRONMENTS"
+        :key="environment.value"
+        :value="environment.value"
+      >
+        {{ environment.label }} - {{ environment.description }}
+      </option>
+    </select>
+  </label>
+</template>
diff --git a/apps/ui-admin/src/modules/server-admin-context.test.ts b/apps/ui-admin/src/modules/server-admin-context.test.ts
index 8aa896cbf..94a78bd78 100644
--- a/apps/ui-admin/src/modules/server-admin-context.test.ts
+++ b/apps/ui-admin/src/modules/server-admin-context.test.ts
@@ -2,7 +2,7 @@
 
 import { describe, expect, it } from 'vitest'
 
-import { defaultStandaloneApiServerUrl, getServerAdminBootstrapContext, resolveStandaloneServerAdminContext } from './server-admin-context'
+import { ADMIN_API_ENVIRONMENTS, apiEnvironmentValueFor, buildApiServerSwitchUrl, defaultStandaloneApiServerUrl, getServerAdminBootstrapContext, resolveStandaloneServerAdminContext } from './server-admin-context'
 
 describe('ui-admin bootstrap context', () => {
   it('uses the trusted API server origin carried by standalone server redirects', () => {
@@ -40,6 +40,25 @@ describe('ui-admin bootstrap context', () => {
     expect(defaultStandaloneApiServerUrl('https://server-dev.airi-server-admin.pages.dev')).toBe('https://airi-server-dev.up.railway.app')
   })
 
+  it('exposes production, testing, and local API environment choices', () => {
+    expect(ADMIN_API_ENVIRONMENTS.map(environment => environment.value)).toEqual([
+      'https://api.airi.build',
+      'https://airi-server-dev.up.railway.app',
+      'http://localhost:3000',
+    ])
+  })
+
+  it('maps custom localhost API origins to the local environment option', () => {
+    expect(apiEnvironmentValueFor('http://127.0.0.1:8787')).toBe('http://localhost:3000')
+  })
+
+  it('builds a switched admin URL without dropping the current page state', () => {
+    expect(buildApiServerSwitchUrl(
+      'https://admin.airi.build/voice-packs/new?draft=1#advanced',
+      'https://airi-server-dev.up.railway.app/api/admin',
+    )).toBe('https://admin.airi.build/voice-packs/new?draft=1&api_server_url=https%3A%2F%2Fairi-server-dev.up.railway.app#advanced')
+  })
+
   it('falls back to the standalone query context when the static placeholder script is still present', () => {
     document.body.innerHTML = '<script id="airi-server-admin-context" type="application/json">__AIRI_SERVER_ADMIN_CONTEXT__</script>'
     window.history.replaceState(
diff --git a/apps/ui-admin/src/modules/server-admin-context.ts b/apps/ui-admin/src/modules/server-admin-context.ts
index fdc19781b..396835fa5 100644
--- a/apps/ui-admin/src/modules/server-admin-context.ts
+++ b/apps/ui-admin/src/modules/server-admin-context.ts
@@ -3,9 +3,33 @@ export interface ServerAdminBootstrapContext {
   currentUrl: string
 }
 
+export interface AdminApiEnvironment {
+  label: string
+  value: string
+  description: string
+}
+
 const SCRIPT_ID = 'airi-server-admin-context'
 const API_SERVER_URL_QUERY_PARAM = 'api_server_url'
 
+export const ADMIN_API_ENVIRONMENTS = [
+  {
+    label: 'Production',
+    value: 'https://api.airi.build',
+    description: 'api.airi.build',
+  },
+  {
+    label: 'Testing',
+    value: 'https://airi-server-dev.up.railway.app',
+    description: 'airi-server-dev.up.railway.app',
+  },
+  {
+    label: 'Local',
+    value: 'http://localhost:3000',
+    description: 'localhost:3000',
+  },
+] as const satisfies readonly AdminApiEnvironment[]
+
 const TRUSTED_STANDALONE_API_SERVER_ORIGINS = [
   'https://api.airi.build',
   'https://airi-server-dev.up.railway.app',
@@ -107,6 +131,25 @@ export function resolveStandaloneServerAdminContext(currentUrl: string): ServerA
   }
 }
 
+export function apiEnvironmentValueFor(apiServerUrl: string): string {
+  const origin = new URL(apiServerUrl).origin
+  const known = ADMIN_API_ENVIRONMENTS.find(environment => environment.value === origin)
+  if (known)
+    return known.value
+
+  if (TRUSTED_LOCAL_API_SERVER_ORIGIN_PATTERNS.some(pattern => pattern.test(origin)))
+    return ADMIN_API_ENVIRONMENTS.find(environment => environment.label === 'Local')?.value ?? origin
+
+  return origin
+}
+
+export function buildApiServerSwitchUrl(currentUrl: string, apiServerUrl: string): string {
+  const url = new URL(currentUrl)
+  const origin = new URL(apiServerUrl).origin
+  url.searchParams.set(API_SERVER_URL_QUERY_PARAM, origin)
+  return url.toString()
+}
+
 function normalizeTrustedApiServerUrl(value: string | null): string | null {
   if (!value)
     return null