simstudioai · waleedlatif1 · Oct 1, 2026 · Oct 1, 2026 · Oct 1, 2026 · Oct 1, 2026
diff --git a/apps/docs/app/[[...slug]]/page.tsx b/apps/docs/app/[[...slug]]/page.tsx
@@ -116,6 +116,7 @@ export default async function Page(props: { params: Promise<{ slug?: string[] }>
   if (!page) notFound()
 
   const data = page.data as unknown as PageData & {
+    lastModified?: Date
     _openapi?: { method?: string }
     getAPIPageProps?: () => ApiPageProps
   }
@@ -246,6 +247,7 @@ export default async function Page(props: { params: Promise<{ slug?: string[] }>
         title={data.title}
         description={data.description || ''}
         url={`${BASE_URL}${page.url}`}
+        dateModified={data.lastModified?.toISOString()}
         breadcrumb={breadcrumbs}
       />
       <DocsPage
@@ -373,7 +375,6 @@ export async function generateMetadata(props: { params: Promise<{ slug?: string[
       creator: '@simdotai',
       site: '@simdotai',
     },
-    canonical: fullUrl,
     alternates: {
       canonical: fullUrl,
     },

diff --git a/apps/docs/app/layout.tsx b/apps/docs/app/layout.tsx
@@ -11,7 +11,7 @@ import { Navbar } from '@/components/navbar/navbar'
 import { SimWordmark } from '@/components/ui/sim-logo'
 import { serializeJsonLd } from '@/lib/json-ld'
 import { source } from '@/lib/source'
-import { DOCS_BASE_URL } from '@/lib/urls'
+import { DOCS_BASE_URL, SIM_SITE_URL } from '@/lib/urls'
 import { season } from '@/app/fonts/season'
 import './global.css'
 
@@ -31,7 +31,7 @@ const structuredData = {
   publisher: {
     '@type': 'Organization',
     name: 'Sim',
-    url: 'https://sim.ai',
+    url: SIM_SITE_URL,
     logo: {
       '@type': 'ImageObject',
       url: `${DOCS_BASE_URL}/static/logo.png`,
@@ -138,7 +138,7 @@ export const metadata = {
     'AI agent deployment',
     'AI tools',
   ],
-  authors: [{ name: 'Sim Team', url: 'https://sim.ai' }],
+  authors: [{ name: 'Sim Team', url: SIM_SITE_URL }],
   creator: 'Sim',
   publisher: 'Sim',
   category: 'Developer Tools',
@@ -185,18 +185,16 @@ export const metadata = {
     site: '@simdotai',
     images: [`${DOCS_BASE_URL}/api/og?title=Sim%20Documentation`],
   },
+  /**
+   * Preview hints only. Indexable is the default, and asserting `index` or a
+   * root canonical here would also reach the not-found page, contradicting
+   * the `noindex` Next adds there; each doc page sets its own canonical.
+   */
   robots: {
-    index: true,
-    follow: true,
     googleBot: {
-      index: true,
-      follow: true,
       'max-video-preview': -1,
       'max-image-preview': 'large',
       'max-snippet': -1,
     },
   },
-  alternates: {
-    canonical: DOCS_BASE_URL,
-  },
 }
diff --git a/apps/docs/app/llms.txt/route.ts b/apps/docs/app/llms.txt/route.ts
@@ -51,8 +51,8 @@ ${Object.entries(sections)
 
 - [Full documentation content](${baseUrl}/llms-full.txt)
 - Individual page content: ${baseUrl}/llms.mdx/[page-path]
-- [API documentation](${baseUrl}/api-reference/)
-- [Tool integrations](${baseUrl}/tools/)
+- [API documentation](${baseUrl}/api-reference/getting-started)
+- [Integrations](${baseUrl}/integrations)
 
 ## Statistics
 

diff --git a/apps/docs/app/sitemap.ts b/apps/docs/app/sitemap.ts
@@ -7,5 +7,6 @@ export const revalidate = 3600
 export default function sitemap(): MetadataRoute.Sitemap {
   return source.getPages().map((page) => ({
     url: `${DOCS_BASE_URL}${page.url}`,
+    lastModified: 'lastModified' in page.data ? page.data.lastModified : undefined,
   }))
 }
diff --git a/apps/docs/components/navbar/navbar.tsx b/apps/docs/components/navbar/navbar.tsx
@@ -6,6 +6,7 @@ import { usePathname } from 'next/navigation'
 import { SearchTrigger } from '@/components/ui/search-trigger'
 import { SimWordmark } from '@/components/ui/sim-logo'
 import { ThemeToggle } from '@/components/ui/theme-toggle'
+import { SIM_SITE_URL } from '@/lib/urls'
 import { cn } from '@/lib/utils'
 
 /**
@@ -82,7 +83,7 @@ export function Navbar() {
 
           <div className='flex items-center gap-2'>
             <ThemeToggle />
-            <ChipLink href='https://sim.ai' variant='primary'>
+            <ChipLink href={SIM_SITE_URL} variant='primary'>
               Get started
             </ChipLink>
           </div>

diff --git a/apps/docs/components/structured-data.tsx b/apps/docs/components/structured-data.tsx
@@ -25,7 +25,6 @@ export function StructuredData({
     headline: title,
     description: description,
     url: url,
-    ...(dateModified && { datePublished: dateModified }),
     ...(dateModified && { dateModified }),
     author: {
       '@type': 'Organization',

diff --git a/apps/docs/content/docs/api-reference/python.mdx b/apps/docs/content/docs/api-reference/python.mdx
@@ -30,7 +30,7 @@ from simstudio import SimStudioClient
 # Initialize the client
 client = SimStudioClient(
     api_key="your-api-key-here",
-    base_url="https://sim.ai"  # optional, defaults to https://sim.ai
+    base_url="https://www.sim.ai"  # optional; the default https://sim.ai redirects to this host
 )
 
 # Execute a workflow
@@ -53,7 +53,7 @@ SimStudioClient(api_key: str, base_url: str = "https://sim.ai")
 
 **Parameters:**
 - `api_key` (str): Your Sim API key
-- `base_url` (str, optional): Base URL for the Sim API
+- `base_url` (str, optional): Base URL for the Sim API (defaults to `https://sim.ai`, which redirects to `https://www.sim.ai`; set the `www` host explicitly)
 
 #### Methods
 
@@ -678,7 +678,7 @@ def stream_workflow():
 
     def generate():
         response = requests.post(
-            'https://sim.ai/api/v2/workflows/WORKFLOW_ID/execute',
+            'https://www.sim.ai/api/v2/workflows/WORKFLOW_ID/execute',
             headers={
                 'Content-Type': 'application/json',
                 'X-API-Key': os.getenv('SIM_API_KEY')
@@ -732,7 +732,7 @@ Configure the client using environment variables:
     # Development configuration
     client = SimStudioClient(
         api_key=os.getenv("SIM_API_KEY"),
-        base_url=os.getenv("SIM_BASE_URL", "https://sim.ai")
+        base_url=os.getenv("SIM_BASE_URL", "https://www.sim.ai")
     )
     ```
   </Tab>
@@ -748,7 +748,7 @@ Configure the client using environment variables:
 
     client = SimStudioClient(
         api_key=api_key,
-        base_url=os.getenv("SIM_BASE_URL", "https://sim.ai")
+        base_url=os.getenv("SIM_BASE_URL", "https://www.sim.ai")
     )
     ```
   </Tab>

diff --git a/apps/docs/content/docs/api-reference/typescript.mdx b/apps/docs/content/docs/api-reference/typescript.mdx
@@ -44,7 +44,7 @@ import { SimStudioClient } from 'simstudio-ts-sdk';
 // Initialize the client
 const client = new SimStudioClient({
   apiKey: 'your-api-key-here',
-  baseUrl: 'https://sim.ai' // optional, defaults to https://sim.ai
+  baseUrl: 'https://www.sim.ai' // optional; the default https://sim.ai redirects to this host
 });
 
 // Execute a workflow
@@ -68,7 +68,7 @@ new SimStudioClient(config: SimStudioConfig)
 
 **Configuration:**
 - `config.apiKey` (string): Your Sim API key
-- `config.baseUrl` (string, optional): Base URL for the Sim API (defaults to `https://sim.ai`)
+- `config.baseUrl` (string, optional): Base URL for the Sim API (defaults to `https://sim.ai`, which redirects to `https://www.sim.ai`; set the `www` host explicitly)
 
 #### Methods
 
@@ -492,7 +492,7 @@ Configure the client using environment variables:
 
     const client = new SimStudioClient({
       apiKey,
-      baseUrl: process.env.SIM_BASE_URL || 'https://sim.ai'
+      baseUrl: process.env.SIM_BASE_URL || 'https://www.sim.ai'
     });
     ```
   </Tab>

diff --git a/apps/docs/content/docs/chat/workflows.mdx b/apps/docs/content/docs/chat/workflows.mdx
@@ -69,7 +69,7 @@ Sim can deploy a workflow as any of the three deployment types:
 
 | Deployment type | What it creates |
 |----------------|----------------|
-| **API** | A REST endpoint at `https://sim.ai/api/v2/workflows/{id}/execute` |
+| **API** | A REST endpoint at `https://www.sim.ai/api/v2/workflows/{id}/execute` |
 | **Chat** | A hosted conversational interface with a shareable URL |
 | **MCP tool** | An MCP server that exposes the workflow as a tool |
 

diff --git a/apps/docs/content/docs/desktop/index.mdx b/apps/docs/content/docs/desktop/index.mdx
@@ -18,7 +18,7 @@ Sim Desktop is the macOS app for your Sim workspace. Everything the web app does
 
 ## Download
 
-**[Download Sim Desktop for macOS](https://sim.ai/api/desktop/update/download)**
+**[Download Sim Desktop for macOS](https://www.sim.ai/api/desktop/update/download)**
 
 One universal build runs natively on both Apple Silicon and Intel Macs. It is signed and notarized by Sim, so Gatekeeper accepts it with no override.
 

diff --git a/apps/docs/content/docs/files/passing-files.mdx b/apps/docs/content/docs/files/passing-files.mdx
@@ -87,7 +87,7 @@ When calling a workflow via API that expects file input, include files in your r
 <Tabs items={['Base64', 'URL']}>
   <Tab value="Base64">
     ```bash
-    curl -X POST "https://sim.ai/api/v2/workflows/YOUR_WORKFLOW_ID/execute" \
+    curl -X POST "https://www.sim.ai/api/v2/workflows/YOUR_WORKFLOW_ID/execute" \
       -H "Content-Type: application/json" \
       -H "x-api-key: YOUR_API_KEY" \
       -d '{
@@ -101,7 +101,7 @@ When calling a workflow via API that expects file input, include files in your r
   </Tab>
   <Tab value="URL">
     ```bash
-    curl -X POST "https://sim.ai/api/v2/workflows/YOUR_WORKFLOW_ID/execute" \
+    curl -X POST "https://www.sim.ai/api/v2/workflows/YOUR_WORKFLOW_ID/execute" \
       -H "Content-Type: application/json" \
       -H "x-api-key: YOUR_API_KEY" \
       -d '{

diff --git a/apps/docs/content/docs/integrations/hubspot-setup.mdx b/apps/docs/content/docs/integrations/hubspot-setup.mdx
@@ -18,7 +18,7 @@ This guide covers installing the integration, connecting a HubSpot account, conf
 
 You need:
 
-- A [Sim](https://sim.ai) account and a workspace where you have **Write** or **Admin** permission.
+- A [Sim](https://www.sim.ai) account and a workspace where you have **Write** or **Admin** permission.
 - A HubSpot account. To grant the requested scopes, your HubSpot user needs permission to install apps (typically a super admin).
 
 ## Install the app and connect HubSpot

diff --git a/apps/docs/content/docs/introduction/index.mdx b/apps/docs/content/docs/introduction/index.mdx
@@ -76,7 +76,7 @@ For anything not built in, [MCP support](/agents/mcp) connects any external serv
 
 ## Deployment options
 
-- **Cloud-hosted.** Launch immediately at [sim.ai](https://sim.ai) with managed infrastructure, scaling, and observability.
+- **Cloud-hosted.** Launch immediately at [sim.ai](https://www.sim.ai) with managed infrastructure, scaling, and observability.
 - **Self-hosted.** Deploy on your own infrastructure with Docker Compose or Kubernetes, with support for local models.
 
 ## Next steps

diff --git a/apps/docs/content/docs/platform/costs.mdx b/apps/docs/content/docs/platform/costs.mdx
@@ -510,7 +510,7 @@ Pro and Team plan users can buy additional credits at any time in **Settings →
 
 ## Next Steps
 
-- Review your current usage in [Settings → Subscription](https://sim.ai/settings/subscription)
+- Review your current usage in [Settings → Subscription](https://www.sim.ai/settings/subscription)
 - Learn about [Logging](/logs-debugging/logging) to track run details
 - Explore the [External API](/api-reference/getting-started) for programmatic cost monitoring
 - Check out [workflow optimization techniques](/workflows#blocks) to reduce costs

diff --git a/apps/docs/content/docs/workflows/deployment/agent-events.mdx b/apps/docs/content/docs/workflows/deployment/agent-events.mdx
@@ -41,7 +41,7 @@ On the workflow API, setting `includeThinking` or `includeToolCalls` **without**
 ### Workflow API
 
 ```bash
-curl -N https://sim.ai/api/v2/workflows/{id}/execute \
+curl -N https://www.sim.ai/api/v2/workflows/{id}/execute \
   -H "X-API-Key: $SIM_API_KEY" \
   -H "Content-Type: application/json" \
   -H "X-Sim-Stream-Protocol: agent-events-v1" \

diff --git a/apps/docs/content/docs/workflows/deployment/index.mdx b/apps/docs/content/docs/workflows/deployment/index.mdx
@@ -41,13 +41,13 @@ Every surface runs the same live snapshot. You manage them from the tabs of the
 The most common surface is the **API**. Once deployed, your workflow answers at:
 
 ```
-POST https://sim.ai/api/v2/workflows/{workflow-id}/execute
+POST https://www.sim.ai/api/v2/workflows/{workflow-id}/execute
 ```
 
 Send the workflow's [Input Format](/workflows/triggers/start) as the request body's `input` value. The response includes workflow output and execution metadata; see [API deployment](/workflows/deployment/api) for response modes.
 
 ```bash
-curl -X POST https://sim.ai/api/v2/workflows/{workflow-id}/execute \
+curl -X POST https://www.sim.ai/api/v2/workflows/{workflow-id}/execute \
   -H "X-API-Key: $SIM_API_KEY" \
   -H "Content-Type: application/json" \
   -d '{ "input": { "message": "Refund request from customer #4821" } }'

diff --git a/apps/docs/lib/redirects.ts b/apps/docs/lib/redirects.ts
@@ -5,21 +5,21 @@ import type { NextConfig } from 'next'
 type DocsRedirect = Awaited<ReturnType<NonNullable<NextConfig['redirects']>>>[number]
 
 /**
- * Every redirect the docs site serves, in match order — Next applies the first
+ * Every unprefixed path redirect, in match order — Next applies the first
  * matching rule.
  *
  * This lives outside `next.config.ts` so it can be read without evaluating that
  * module. `createMDX()` runs at import time and bundles `source.config.ts`
  * against `process.cwd()`, so importing the config from the root Vitest project
  * fails with `The entry point "source.config.ts" cannot be marked as external`.
- * `scripts/openapi/docs-redirects.test.ts` reads this array directly to keep the
+ * `scripts/openapi/docs-redirects.test.ts` reads `DOCS_REDIRECTS` directly to keep the
  * `/api-reference/` rules honest against the specs.
  *
  * The whole table lives here rather than only the `/api-reference/` block: Next
  * applies the first matching rule, so splitting one ordered list across two
  * modules would make match order an emergent property of two files.
  */
-export const DOCS_REDIRECTS: DocsRedirect[] = [
+const PATH_REDIRECTS: DocsRedirect[] = [
   ...Object.entries(integrationNavigation.redirects).map(([from, to]) => ({
     source: `/integrations/${from}`,
     destination: `/integrations/${to}`,
@@ -390,3 +390,28 @@ export const DOCS_REDIRECTS: DocsRedirect[] = [
     permanent: false,
   },
 ]
+
+/**
+ * Locale prefixes the docs served before translations were removed in #7247
+ * (`lib/i18n.ts` declared `en`, `es`, `fr`, `de`, `ja`, `zh`; `en` was hidden).
+ * Search engines still hold these URLs, so each one 308s to its English page.
+ */
+const RETIRED_LOCALE_PREFIX = '/:lang(en|es|fr|de|ja|zh)'
+
+/**
+ * Every redirect the docs site serves, in match order — Next applies the first
+ * matching rule and does not chain them internally.
+ *
+ * Each path redirect is repeated under the retired locale prefix with the same
+ * destination, so `/fr/tools/x` lands on `/integrations/x` in one hop rather
+ * than stripping the locale and redirecting again. The trailing catch-all
+ * strips the prefix from every other path, which already resolves.
+ */
+export const DOCS_REDIRECTS: DocsRedirect[] = [
+  ...PATH_REDIRECTS,
+  ...PATH_REDIRECTS.map((rule) => ({
+    ...rule,
+    source: rule.source === '/' ? RETIRED_LOCALE_PREFIX : `${RETIRED_LOCALE_PREFIX}${rule.source}`,
+  })),
+  { source: `${RETIRED_LOCALE_PREFIX}/:path*`, destination: '/:path*', permanent: true },
+]
diff --git a/apps/docs/lib/urls.ts b/apps/docs/lib/urls.ts
@@ -1,9 +1,9 @@
-export const DOCS_BASE_URL = process.env.NEXT_PUBLIC_DOCS_URL ?? 'https://docs.sim.ai'
+import { SIM_DOCS_URL, SIM_SITE_URL } from '@sim/utils/site'
+
+export const DOCS_BASE_URL = process.env.NEXT_PUBLIC_DOCS_URL ?? SIM_DOCS_URL
+
 /**
- * The public marketing site's fixed canonical origin — not `NEXT_PUBLIC_APP_URL`.
- * That env var reflects wherever *this* deployment (self-hosted or otherwise)
- * happens to run, but the footer's marketing links (`/blog`, `/enterprise`,
- * `/models`, `/terms`, `/privacy`, …) only ever exist on sim.ai itself, so
- * they must stay hardcoded to it regardless of where docs is hosted.
+ * The marketing site's canonical origin, never `NEXT_PUBLIC_APP_URL`: marketing
+ * links only exist on sim.ai, wherever docs is hosted.
  */
-export const SIM_SITE_URL = 'https://sim.ai'
+export { SIM_SITE_URL }
@@ -20,6 +20,7 @@
   "dependencies": {
     "@sim/db": "workspace:*",
     "@sim/emcn": "workspace:*",
+    "@sim/utils": "workspace:*",
     "@sim/workflow-renderer": "workspace:*",
     "@xyflow/react": "12.11.3",
     "class-variance-authority": "^0.7.1",