diff --git a/apps/playground-web/public/ub.png b/apps/playground-web/public/ub.png
new file mode 100644
index 00000000000..6448e1d2a10
Binary files /dev/null and b/apps/playground-web/public/ub.png differ
diff --git a/apps/playground-web/src/app/connect/pay/backend/layout.tsx b/apps/playground-web/src/app/connect/pay/backend/layout.tsx
new file mode 100644
index 00000000000..0b0c4052825
--- /dev/null
+++ b/apps/playground-web/src/app/connect/pay/backend/layout.tsx
@@ -0,0 +1,21 @@
+import type React from "react";
+import { APIHeader } from "../../../../components/blocks/APIHeader";
+
+export default function Layout(props: {
+  children: React.ReactNode;
+}) {
+  return (
+    <div>
+      <APIHeader
+        title="Universal Bridge API"
+        description={
+          <>HTTP API to bridge, swap and onramp to and from any currency</>
+        }
+        docsLink="https://portal.thirdweb.com/connect/pay/overview"
+        heroLink="/ub.png"
+      />
+
+      {props.children}
+    </div>
+  );
+}
diff --git a/apps/playground-web/src/app/connect/pay/backend/page.tsx b/apps/playground-web/src/app/connect/pay/backend/page.tsx
new file mode 100644
index 00000000000..26681e88431
--- /dev/null
+++ b/apps/playground-web/src/app/connect/pay/backend/page.tsx
@@ -0,0 +1,79 @@
+import { Table, TableBody, TableCell, TableRow } from "@/components/ui/table";
+import Link from "next/link";
+import { getBridgePaths } from "./utils";
+
+export default async function Page() {
+  try {
+    const paths = await getBridgePaths();
+    return (
+      <div className="pb-20">
+        <h2 className="mb-2 font-semibold text-2xl tracking-tight">
+          Universal Bridge REST API
+        </h2>
+        <p className="mb-5 text-muted-foreground">
+          Directly interact with the Universal Bridge API from your backend,
+          using standard REST api.
+        </p>
+
+        <div className="flex flex-col gap-8">
+          <BlueprintSection
+            title="Available endpoints"
+            blueprints={paths.map(([pathName, pathObj]) => {
+              if (!pathObj) {
+                throw new Error(`Path not found: ${pathName}`);
+              }
+              return {
+                name: pathName,
+                description: pathObj.get?.description || "",
+                link: `/connect/pay/backend/reference?route=${pathName}`,
+              };
+            })}
+          />
+        </div>
+      </div>
+    );
+  } catch (error) {
+    console.error(error);
+    return <div>Error fetching API spec</div>;
+  }
+}
+
+function BlueprintSection(props: {
+  title: string;
+  blueprints: { name: string; description: string; link: string }[];
+}) {
+  return (
+    <div className="overflow-hidden rounded-lg border bg-card">
+      <div className="flex items-center gap-2 border-b bg-accent/20 px-6 py-4">
+        <h2 className="font-semibold text-lg tracking-tight">{props.title}</h2>
+      </div>
+      <Table>
+        <TableBody>
+          {props.blueprints.map((item) => (
+            <TableRow
+              key={item.link}
+              className="group hover:bg-accent/50"
+              linkBox
+            >
+              <TableCell>
+                <span className="flex items-center gap-3">
+                  <Link
+                    href={item.link}
+                    className="before:absolute before:inset-0"
+                  >
+                    <div className="flex flex-col">
+                      <p className="font-semibold text-md">{item.name}</p>
+                      <p className="text-muted-foreground text-sm">
+                        {item.description}
+                      </p>
+                    </div>
+                  </Link>
+                </span>
+              </TableCell>
+            </TableRow>
+          ))}
+        </TableBody>
+      </Table>
+    </div>
+  );
+}
diff --git a/apps/playground-web/src/app/connect/pay/backend/reference/page.tsx b/apps/playground-web/src/app/connect/pay/backend/reference/page.tsx
new file mode 100644
index 00000000000..1f2fda67f19
--- /dev/null
+++ b/apps/playground-web/src/app/connect/pay/backend/reference/page.tsx
@@ -0,0 +1,70 @@
+import {
+  Breadcrumb,
+  BreadcrumbItem,
+  BreadcrumbLink,
+  BreadcrumbList,
+  BreadcrumbSeparator,
+} from "@/components/ui/breadcrumb";
+import { redirect } from "next/navigation";
+import { THIRDWEB_CLIENT } from "../../../../../lib/client";
+import { isProd } from "../../../../../lib/env";
+import { BlueprintPlayground } from "../../../../insight/[blueprint_slug]/blueprint-playground.client";
+import { getBridgePaths } from "../utils";
+
+export default async function Page(props: {
+  searchParams: Promise<{
+    route: string;
+  }>;
+}) {
+  const params = await props.searchParams;
+
+  // invalid url
+  if (!params.route) {
+    redirect("/connect/pay/backend");
+  }
+
+  const thirdwebDomain = !isProd ? "thirdweb-dev" : "thirdweb";
+  const domain = `https://bridge.${thirdwebDomain}.com`;
+
+  const paths = await getBridgePaths();
+  const pathMetadata = paths.find(([path]) => path === params.route)?.[1]?.get;
+
+  // invalid url
+  if (!pathMetadata) {
+    redirect("/connect/pay/backend");
+  }
+
+  const title = pathMetadata.summary || "";
+  return (
+    <div>
+      <Breadcrumbs />
+      <h1 className="mt-3 mb-6 font-semibold text-2xl tracking-tight lg:text-3xl">
+        {title}
+      </h1>
+      <BlueprintPlayground
+        key={params.route}
+        metadata={pathMetadata}
+        backLink={"/connect/pay/backend"}
+        clientId={THIRDWEB_CLIENT.clientId}
+        path={params.route}
+        supportedChainIds={[]}
+        domain={domain}
+      />
+    </div>
+  );
+}
+
+function Breadcrumbs() {
+  return (
+    <Breadcrumb>
+      <BreadcrumbList>
+        <BreadcrumbItem>
+          <BreadcrumbLink href="/connect/pay/backend">
+            Universal Bridge API
+          </BreadcrumbLink>
+        </BreadcrumbItem>
+        <BreadcrumbSeparator />
+      </BreadcrumbList>
+    </Breadcrumb>
+  );
+}
diff --git a/apps/playground-web/src/app/connect/pay/backend/utils.ts b/apps/playground-web/src/app/connect/pay/backend/utils.ts
new file mode 100644
index 00000000000..eb75e377ffc
--- /dev/null
+++ b/apps/playground-web/src/app/connect/pay/backend/utils.ts
@@ -0,0 +1,13 @@
+import type { OpenAPIV3 } from "openapi-types";
+import { isProd } from "../../../../lib/env";
+
+export async function getBridgePaths() {
+  const thirdwebDomain = !isProd ? "thirdweb-dev" : "thirdweb";
+  const res = await fetch(`https://bridge.${thirdwebDomain}.com/openapi.json`);
+  const openapiJson = (await res.json()) as OpenAPIV3.Document;
+  return Object.entries(openapiJson.paths).filter(
+    ([, pathObj]) =>
+      pathObj?.get?.deprecated === undefined ||
+      pathObj?.get?.deprecated === false,
+  );
+}
diff --git a/apps/playground-web/src/app/insight/[blueprint_slug]/blueprint-playground.client.tsx b/apps/playground-web/src/app/insight/[blueprint_slug]/blueprint-playground.client.tsx
index 333e9462746..211271f62fa 100644
--- a/apps/playground-web/src/app/insight/[blueprint_slug]/blueprint-playground.client.tsx
+++ b/apps/playground-web/src/app/insight/[blueprint_slug]/blueprint-playground.client.tsx
@@ -35,7 +35,6 @@ import {
   useForm,
 } from "react-hook-form";
 import { z } from "zod";
-import { isProd } from "../../../lib/env";
 import type { BlueprintParameter, BlueprintPathMetadata } from "../utils";
 
 export function BlueprintPlayground(props: {
@@ -44,6 +43,7 @@ export function BlueprintPlayground(props: {
   clientId: string;
   path: string;
   supportedChainIds: number[];
+  domain: string;
 }) {
   const [abortController, setAbortController] =
     useState<AbortController | null>(null);
@@ -56,6 +56,9 @@ export function BlueprintPlayground(props: {
       try {
         const res = await fetch(url, {
           signal: controller.signal,
+          headers: {
+            "x-client-id": props.clientId,
+          },
         });
         return {
           status: res.status,
@@ -78,8 +81,6 @@ export function BlueprintPlayground(props: {
     },
   });
 
-  const thirdwebDomain = !isProd ? "thirdweb-dev" : "thirdweb";
-
   return (
     <BlueprintPlaygroundUI
       backLink={props.backLink}
@@ -98,7 +99,7 @@ export function BlueprintPlayground(props: {
           abortController.abort();
         }
       }}
-      domain={`https://insight.${thirdwebDomain}.com`}
+      domain={props.domain}
       path={props.path}
       supportedChainIds={props.supportedChainIds}
     />
diff --git a/apps/playground-web/src/app/insight/[blueprint_slug]/page.tsx b/apps/playground-web/src/app/insight/[blueprint_slug]/page.tsx
index e5fd2979d3a..9604218d930 100644
--- a/apps/playground-web/src/app/insight/[blueprint_slug]/page.tsx
+++ b/apps/playground-web/src/app/insight/[blueprint_slug]/page.tsx
@@ -7,6 +7,7 @@ import {
 } from "@/components/ui/breadcrumb";
 import { redirect } from "next/navigation";
 import { THIRDWEB_CLIENT } from "../../../lib/client";
+import { isProd } from "../../../lib/env";
 import { fetchBlueprintSpec } from "../utils";
 import { BlueprintPlayground } from "./blueprint-playground.client";
 
@@ -26,6 +27,9 @@ export default async function Page(props: {
     redirect("/insight");
   }
 
+  const thirdwebDomain = !isProd ? "thirdweb-dev" : "thirdweb";
+  const domain = `https://insight.${thirdwebDomain}.com`;
+
   const [blueprintSpec] = await Promise.all([
     fetchBlueprintSpec({
       blueprintId: params.blueprint_slug,
@@ -58,6 +62,7 @@ export default async function Page(props: {
         clientId={THIRDWEB_CLIENT.clientId}
         path={searchParams.path}
         supportedChainIds={supportedChainIds}
+        domain={domain}
       />
     </div>
   );
diff --git a/apps/playground-web/src/app/navLinks.ts b/apps/playground-web/src/app/navLinks.ts
index a1ce0f3f712..037cc6beced 100644
--- a/apps/playground-web/src/app/navLinks.ts
+++ b/apps/playground-web/src/app/navLinks.ts
@@ -60,28 +60,6 @@ export const staticSidebarLinks: SidebarLink[] = [
           },
         ],
       },
-      {
-        name: "Universal Bridge",
-        expanded: false,
-        links: [
-          {
-            name: "UI Component",
-            href: "/connect/pay",
-          },
-          {
-            name: "Fund Wallet",
-            href: "/connect/pay/fund-wallet",
-          },
-          {
-            name: "Commerce",
-            href: "/connect/pay/commerce",
-          },
-          {
-            name: "Transactions",
-            href: "/connect/pay/transactions",
-          },
-        ],
-      },
       {
         name: "Auth",
         href: "/connect/auth",
@@ -124,6 +102,34 @@ export const staticSidebarLinks: SidebarLink[] = [
   },
 ];
 
+const universalBridgeSidebarLinks: SidebarLink = {
+  name: "Universal Bridge",
+  isCollapsible: false,
+  expanded: false,
+  links: [
+    {
+      name: "UI Component",
+      href: "/connect/pay",
+    },
+    {
+      name: "Fund Wallet",
+      href: "/connect/pay/fund-wallet",
+    },
+    {
+      name: "Commerce",
+      href: "/connect/pay/commerce",
+    },
+    {
+      name: "Transactions",
+      href: "/connect/pay/transactions",
+    },
+    {
+      name: "Backend API",
+      href: "/connect/pay/backend",
+    },
+  ],
+};
+
 const engineSidebarLinks: SidebarLink = {
   name: "Engine",
   isCollapsible: false,
@@ -167,13 +173,14 @@ export async function getSidebarLinks() {
 
   const sidebarLinks: SidebarLink[] = [
     ...staticSidebarLinks,
+    universalBridgeSidebarLinks,
+    engineSidebarLinks,
     {
       name: "Insight",
       isCollapsible: false,
       expanded: false,
       links: insightLinks,
     },
-    engineSidebarLinks,
   ];
 
   return sidebarLinks;
diff --git a/apps/playground-web/src/lib/client.ts b/apps/playground-web/src/lib/client.ts
index e6be51abf73..ed34bcc545f 100644
--- a/apps/playground-web/src/lib/client.ts
+++ b/apps/playground-web/src/lib/client.ts
@@ -19,6 +19,7 @@ export const THIRDWEB_CLIENT = createThirdwebClient(
   process.env.THIRDWEB_SECRET_KEY
     ? {
         secretKey: process.env.THIRDWEB_SECRET_KEY,
+        clientId: process.env.NEXT_PUBLIC_THIRDWEB_CLIENT_ID as string,
         config: {
           storage: isDev
             ? {
diff --git a/apps/portal/src/app/references/components/TDoc/utils/getSidebarLinkgroups.ts b/apps/portal/src/app/references/components/TDoc/utils/getSidebarLinkgroups.ts
index 780bc6428b9..1798f467815 100644
--- a/apps/portal/src/app/references/components/TDoc/utils/getSidebarLinkgroups.ts
+++ b/apps/portal/src/app/references/components/TDoc/utils/getSidebarLinkgroups.ts
@@ -35,6 +35,7 @@ const tagsToGroup = {
   "@extension": "Extensions",
   "@rpc": "RPC",
   "@transaction": "Transactions",
+  "@bridge": "Universal Bridge",
   "@buyCrypto": "Buy Crypto",
   "@utils": "Utils",
   "@chain": "Chain",
@@ -60,6 +61,7 @@ const sidebarGroupOrder: TagKey[] = [
   "@account",
   "@contract",
   "@transaction",
+  "@bridge",
   "@nebula",
   "@social",
   "@auth",
diff --git a/packages/thirdweb/scripts/typedoc.mjs b/packages/thirdweb/scripts/typedoc.mjs
index 2d42ffd0108..dd7f8ceddff 100644
--- a/packages/thirdweb/scripts/typedoc.mjs
+++ b/packages/thirdweb/scripts/typedoc.mjs
@@ -10,6 +10,9 @@ const app = await Application.bootstrapWithPlugins({
     "src/adapters/eip1193/index.ts",
     "src/wallets/smart/presets/index.ts",
     "src/ai/index.ts",
+    "src/bridge/index.ts",
+    "src/bridge/Buy.ts",
+    "src/bridge/Sell.ts",
   ],
   exclude: [
     "src/exports/*.native.ts",
diff --git a/packages/thirdweb/src/extensions/thirdweb/write/publish.ts b/packages/thirdweb/src/extensions/thirdweb/write/publish.ts
index 0c098feff2b..5ae855d6719 100644
--- a/packages/thirdweb/src/extensions/thirdweb/write/publish.ts
+++ b/packages/thirdweb/src/extensions/thirdweb/write/publish.ts
@@ -39,7 +39,7 @@ export type PublishContractParams = {
  *   metadata,
  * });
  * ```
- * @extension thirdweb
+ * @extension THIRDWEB
  */
 export function publishContract(
   options: BaseTransactionOptions<PublishContractParams>,
diff --git a/packages/thirdweb/src/react/web/ui/PayEmbed.tsx b/packages/thirdweb/src/react/web/ui/PayEmbed.tsx
index 7161d9e44c7..d7efb970c35 100644
--- a/packages/thirdweb/src/react/web/ui/PayEmbed.tsx
+++ b/packages/thirdweb/src/react/web/ui/PayEmbed.tsx
@@ -256,6 +256,7 @@ export type PayEmbedProps = {
  *     buyWithFiat: false,
  *   }}
  *  />
+ * ```
  *
  * ### Customize the UI
  *