diff --git a/docs/start/framework/react/guide/code-execution-patterns.md b/docs/start/framework/react/guide/code-execution-patterns.md
index c1afda4f41..17a73d9baa 100644
--- a/docs/start/framework/react/guide/code-execution-patterns.md
+++ b/docs/start/framework/react/guide/code-execution-patterns.md
@@ -95,14 +95,14 @@ export const Route = createFileRoute('/users')({
   loader: () => {
     // This runs on BOTH server and client!
     const secret = process.env.SECRET // Exposed to client
-    return fetch(`/api/users?key=${secret}`)
+    return fetch(`https://api.example.com/api/users?key=${secret}`)
   },
 })
 
 // ✅ Use server function for server-only operations
 const getUsersSecurely = createServerFn().handler(() => {
   const secret = process.env.SECRET // Server-only
-  return fetch(`/api/users?key=${secret}`)
+  return fetch(`https://api.example.com/api/users?key=${secret}`)
 })
 
 export const Route = createFileRoute('/users')({
diff --git a/docs/start/framework/react/guide/execution-model.md b/docs/start/framework/react/guide/execution-model.md
index 955feda548..2c50dc890f 100644
--- a/docs/start/framework/react/guide/execution-model.md
+++ b/docs/start/framework/react/guide/execution-model.md
@@ -22,7 +22,7 @@ function formatPrice(price: number) {
 export const Route = createFileRoute('/products')({
   loader: async () => {
     // This runs on server during SSR AND on client during navigation
-    const response = await fetch('/api/products')
+    const response = await fetch('https://api.example.com/api/products')
     return response.json()
   },
 })
@@ -223,14 +223,14 @@ export const Route = createFileRoute('/users')({
   loader: () => {
     // This runs on BOTH server and client!
     const secret = process.env.SECRET // Exposed to client
-    return fetch(`/api/users?key=${secret}`)
+    return fetch(`https://api.example.com/api/users?key=${secret}`)
   },
 })
 
 // ✅ Use server function for server-only operations
 const getUsersSecurely = createServerFn().handler(() => {
   const secret = process.env.SECRET // Server-only
-  return fetch(`/api/users?key=${secret}`)
+  return fetch(`https://api.example.com/api/users?key=${secret}`)
 })
 
 export const Route = createFileRoute('/users')({
diff --git a/docs/start/framework/solid/guide/code-execution-patterns.md b/docs/start/framework/solid/guide/code-execution-patterns.md
index 93472d5317..149997b2bf 100644
--- a/docs/start/framework/solid/guide/code-execution-patterns.md
+++ b/docs/start/framework/solid/guide/code-execution-patterns.md
@@ -95,14 +95,14 @@ export const Route = createFileRoute('/users')({
   loader: () => {
     // This runs on BOTH server and client!
     const secret = process.env.SECRET // Exposed to client
-    return fetch(`/api/users?key=${secret}`)
+    return fetch(`https://api.example.com/api/users?key=${secret}`)
   },
 })
 
 // ✅ Use server function for server-only operations
 const getUsersSecurely = createServerFn().handler(() => {
   const secret = process.env.SECRET // Server-only
-  return fetch(`/api/users?key=${secret}`)
+  return fetch(`https://api.example.com/api/users?key=${secret}`)
 })
 
 export const Route = createFileRoute('/users')({
diff --git a/docs/start/framework/solid/guide/execution-model.md b/docs/start/framework/solid/guide/execution-model.md
index f6076667b7..24840fc802 100644
--- a/docs/start/framework/solid/guide/execution-model.md
+++ b/docs/start/framework/solid/guide/execution-model.md
@@ -22,7 +22,7 @@ function formatPrice(price: number) {
 export const Route = createFileRoute('/products')({
   loader: async () => {
     // This runs on server during SSR AND on client during navigation
-    const response = await fetch('/api/products')
+    const response = await fetch('https://api.example.com/api/products')
     return response.json()
   },
 })
@@ -211,14 +211,14 @@ export const Route = createFileRoute('/users')({
   loader: () => {
     // This runs on BOTH server and client!
     const secret = process.env.SECRET // Exposed to client
-    return fetch(`/api/users?key=${secret}`)
+    return fetch(`https://api.example.com/api/users?key=${secret}`)
   },
 })
 
 // ✅ Use server function for server-only operations
 const getUsersSecurely = createServerFn().handler(() => {
   const secret = process.env.SECRET // Server-only
-  return fetch(`/api/users?key=${secret}`)
+  return fetch(`https://api.example.com/api/users?key=${secret}`)
 })
 
 export const Route = createFileRoute('/users')({
diff --git a/examples/react/start-basic-cloudflare/src/routes/users.$userId.tsx b/examples/react/start-basic-cloudflare/src/routes/users.$userId.tsx
index fe22eb86c3..685f4ebb91 100644
--- a/examples/react/start-basic-cloudflare/src/routes/users.$userId.tsx
+++ b/examples/react/start-basic-cloudflare/src/routes/users.$userId.tsx
@@ -1,4 +1,5 @@
 import { createFileRoute } from '@tanstack/react-router'
+import { getRouterInstance } from '@tanstack/react-start'
 import { NotFound } from '../components/NotFound'
 import { UserErrorComponent } from '../components/UserError'
 import type { User } from '~/utils/users'
@@ -6,7 +7,8 @@ import type { User } from '~/utils/users'
 export const Route = createFileRoute('/users/$userId')({
   loader: async ({ params: { userId } }) => {
     try {
-      const res = await fetch('/api/users/' + userId)
+      const router = await getRouterInstance()
+      const res = await fetch(new URL('/api/users/' + userId, router.origin))
       if (!res.ok) {
         throw new Error('Unexpected status code')
       }
diff --git a/examples/react/start-basic-cloudflare/src/routes/users.tsx b/examples/react/start-basic-cloudflare/src/routes/users.tsx
index 55b22b6e40..1fb555fd5e 100644
--- a/examples/react/start-basic-cloudflare/src/routes/users.tsx
+++ b/examples/react/start-basic-cloudflare/src/routes/users.tsx
@@ -1,9 +1,11 @@
 import { Link, Outlet, createFileRoute } from '@tanstack/react-router'
+import { getRouterInstance } from '@tanstack/react-start'
 import type { User } from '~/utils/users'
 
 export const Route = createFileRoute('/users')({
   loader: async () => {
-    const res = await fetch('/api/users')
+    const router = await getRouterInstance()
+    const res = await fetch(new URL('/api/users', router.origin))
 
     if (!res.ok) {
       throw new Error('Unexpected status code')
diff --git a/examples/react/start-basic/src/routes/users.$userId.tsx b/examples/react/start-basic/src/routes/users.$userId.tsx
index 4e4d470075..7543e8d33d 100644
--- a/examples/react/start-basic/src/routes/users.$userId.tsx
+++ b/examples/react/start-basic/src/routes/users.$userId.tsx
@@ -1,4 +1,5 @@
 import { createFileRoute } from '@tanstack/react-router'
+import { getRouterInstance } from '@tanstack/react-start'
 import { NotFound } from '../components/NotFound'
 import { UserErrorComponent } from '../components/UserError'
 import type { User } from '../utils/users'
@@ -6,7 +7,8 @@ import type { User } from '../utils/users'
 export const Route = createFileRoute('/users/$userId')({
   loader: async ({ params: { userId } }) => {
     try {
-      const res = await fetch('/api/users/' + userId)
+      const router = await getRouterInstance()
+      const res = await fetch(new URL('/api/users/' + userId, router.origin))
       if (!res.ok) {
         throw new Error('Unexpected status code')
       }
diff --git a/examples/react/start-basic/src/routes/users.tsx b/examples/react/start-basic/src/routes/users.tsx
index 64ca3ce156..734e3929b4 100644
--- a/examples/react/start-basic/src/routes/users.tsx
+++ b/examples/react/start-basic/src/routes/users.tsx
@@ -1,9 +1,11 @@
 import { Link, Outlet, createFileRoute } from '@tanstack/react-router'
+import { getRouterInstance } from '@tanstack/react-start'
 import type { User } from '../utils/users'
 
 export const Route = createFileRoute('/users')({
   loader: async () => {
-    const res = await fetch('/api/users')
+    const router = await getRouterInstance()
+    const res = await fetch(new URL('/api/users', router.origin))
 
     if (!res.ok) {
       throw new Error('Unexpected status code')
diff --git a/examples/solid/start-basic-cloudflare/src/routes/users.$userId.tsx b/examples/solid/start-basic-cloudflare/src/routes/users.$userId.tsx
index d2aeeb448c..48123fb52d 100644
--- a/examples/solid/start-basic-cloudflare/src/routes/users.$userId.tsx
+++ b/examples/solid/start-basic-cloudflare/src/routes/users.$userId.tsx
@@ -1,4 +1,5 @@
 import { createFileRoute } from '@tanstack/solid-router'
+import { getRouterInstance } from '@tanstack/solid-start'
 import { NotFound } from '../components/NotFound'
 import { UserErrorComponent } from '../components/UserError'
 import type { User } from '../utils/users'
@@ -6,7 +7,8 @@ import type { User } from '../utils/users'
 export const Route = createFileRoute('/users/$userId')({
   loader: async ({ params: { userId } }) => {
     try {
-      const res = await fetch('/api/users/' + userId)
+      const router = await getRouterInstance()
+      const res = await fetch(new URL('/api/users/' + userId, router.origin))
       if (!res.ok) {
         throw new Error('Unexpected status code')
       }
diff --git a/examples/solid/start-basic-cloudflare/src/routes/users.tsx b/examples/solid/start-basic-cloudflare/src/routes/users.tsx
index 00e075256d..08ddec9ecb 100644
--- a/examples/solid/start-basic-cloudflare/src/routes/users.tsx
+++ b/examples/solid/start-basic-cloudflare/src/routes/users.tsx
@@ -1,9 +1,11 @@
 import { Link, Outlet, createFileRoute } from '@tanstack/solid-router'
+import { getRouterInstance } from '@tanstack/solid-start'
 import type { User } from '../utils/users'
 
 export const Route = createFileRoute('/users')({
   loader: async () => {
-    const res = await fetch('/api/users')
+    const router = await getRouterInstance()
+    const res = await fetch(new URL('/api/users', router.origin))
 
     if (!res.ok) {
       throw new Error('Unexpected status code')
diff --git a/examples/solid/start-basic-netlify/src/routes/users.$userId.tsx b/examples/solid/start-basic-netlify/src/routes/users.$userId.tsx
index d2aeeb448c..48123fb52d 100644
--- a/examples/solid/start-basic-netlify/src/routes/users.$userId.tsx
+++ b/examples/solid/start-basic-netlify/src/routes/users.$userId.tsx
@@ -1,4 +1,5 @@
 import { createFileRoute } from '@tanstack/solid-router'
+import { getRouterInstance } from '@tanstack/solid-start'
 import { NotFound } from '../components/NotFound'
 import { UserErrorComponent } from '../components/UserError'
 import type { User } from '../utils/users'
@@ -6,7 +7,8 @@ import type { User } from '../utils/users'
 export const Route = createFileRoute('/users/$userId')({
   loader: async ({ params: { userId } }) => {
     try {
-      const res = await fetch('/api/users/' + userId)
+      const router = await getRouterInstance()
+      const res = await fetch(new URL('/api/users/' + userId, router.origin))
       if (!res.ok) {
         throw new Error('Unexpected status code')
       }
diff --git a/examples/solid/start-basic-netlify/src/routes/users.tsx b/examples/solid/start-basic-netlify/src/routes/users.tsx
index 00e075256d..08ddec9ecb 100644
--- a/examples/solid/start-basic-netlify/src/routes/users.tsx
+++ b/examples/solid/start-basic-netlify/src/routes/users.tsx
@@ -1,9 +1,11 @@
 import { Link, Outlet, createFileRoute } from '@tanstack/solid-router'
+import { getRouterInstance } from '@tanstack/solid-start'
 import type { User } from '../utils/users'
 
 export const Route = createFileRoute('/users')({
   loader: async () => {
-    const res = await fetch('/api/users')
+    const router = await getRouterInstance()
+    const res = await fetch(new URL('/api/users', router.origin))
 
     if (!res.ok) {
       throw new Error('Unexpected status code')
diff --git a/examples/solid/start-basic-nitro/src/routes/users.$userId.tsx b/examples/solid/start-basic-nitro/src/routes/users.$userId.tsx
index d2aeeb448c..48123fb52d 100644
--- a/examples/solid/start-basic-nitro/src/routes/users.$userId.tsx
+++ b/examples/solid/start-basic-nitro/src/routes/users.$userId.tsx
@@ -1,4 +1,5 @@
 import { createFileRoute } from '@tanstack/solid-router'
+import { getRouterInstance } from '@tanstack/solid-start'
 import { NotFound } from '../components/NotFound'
 import { UserErrorComponent } from '../components/UserError'
 import type { User } from '../utils/users'
@@ -6,7 +7,8 @@ import type { User } from '../utils/users'
 export const Route = createFileRoute('/users/$userId')({
   loader: async ({ params: { userId } }) => {
     try {
-      const res = await fetch('/api/users/' + userId)
+      const router = await getRouterInstance()
+      const res = await fetch(new URL('/api/users/' + userId, router.origin))
       if (!res.ok) {
         throw new Error('Unexpected status code')
       }
diff --git a/examples/solid/start-basic-nitro/src/routes/users.tsx b/examples/solid/start-basic-nitro/src/routes/users.tsx
index 00e075256d..08ddec9ecb 100644
--- a/examples/solid/start-basic-nitro/src/routes/users.tsx
+++ b/examples/solid/start-basic-nitro/src/routes/users.tsx
@@ -1,9 +1,11 @@
 import { Link, Outlet, createFileRoute } from '@tanstack/solid-router'
+import { getRouterInstance } from '@tanstack/solid-start'
 import type { User } from '../utils/users'
 
 export const Route = createFileRoute('/users')({
   loader: async () => {
-    const res = await fetch('/api/users')
+    const router = await getRouterInstance()
+    const res = await fetch(new URL('/api/users', router.origin))
 
     if (!res.ok) {
       throw new Error('Unexpected status code')
diff --git a/examples/solid/start-basic/src/routes/users.$userId.tsx b/examples/solid/start-basic/src/routes/users.$userId.tsx
index 489abd1d3d..4a1473e433 100644
--- a/examples/solid/start-basic/src/routes/users.$userId.tsx
+++ b/examples/solid/start-basic/src/routes/users.$userId.tsx
@@ -1,11 +1,13 @@
 import { createFileRoute } from '@tanstack/solid-router'
+import { getRouterInstance } from '@tanstack/solid-start'
 import { NotFound } from '../components/NotFound'
 import { UserErrorComponent } from '../components/UserError'
 
 export const Route = createFileRoute('/users/$userId')({
   loader: async ({ params: { userId } }) => {
     try {
-      const res = await fetch('/api/users/' + userId)
+      const router = await getRouterInstance()
+      const res = await fetch(new URL('/api/users/' + userId, router.origin))
       if (!res.ok) {
         throw new Error('Unexpected status code')
       }
diff --git a/examples/solid/start-basic/src/routes/users.tsx b/examples/solid/start-basic/src/routes/users.tsx
index 07439d1928..72a1965005 100644
--- a/examples/solid/start-basic/src/routes/users.tsx
+++ b/examples/solid/start-basic/src/routes/users.tsx
@@ -1,9 +1,11 @@
 import { Link, Outlet, createFileRoute } from '@tanstack/solid-router'
+import { getRouterInstance } from '@tanstack/solid-start'
 import type { User } from '../utils/users'
 
 export const Route = createFileRoute('/users')({
   loader: async () => {
-    const res = await fetch('/api/users')
+    const router = await getRouterInstance()
+    const res = await fetch(new URL('/api/users', router.origin))
 
     if (!res.ok) {
       throw new Error('Unexpected status code')