diff --git a/.changeset/spicy-hotels-argue.md b/.changeset/spicy-hotels-argue.md
new file mode 100644
index 000000000..d49e50324
--- /dev/null
+++ b/.changeset/spicy-hotels-argue.md
@@ -0,0 +1,5 @@
+---
+"@vercel/blob": patch
+---
+
+chore(blob): Allow using the alternative API. No new feature, no bugfix here.
diff --git a/packages/blob/src/api.ts b/packages/blob/src/api.ts
index c909aaf19..d634977ac 100644
--- a/packages/blob/src/api.ts
+++ b/packages/blob/src/api.ts
@@ -186,6 +186,7 @@ export async function requestApi<TResponse>(
 ): Promise<TResponse> {
   const apiVersion = getApiVersion();
   const token = getTokenFromOptionsOrEnv(commandOptions);
+  const extraHeaders = getProxyThroughAlternativeApiHeaderFromEnv();
 
   const apiResponse = await retry(
     async (bail) => {
@@ -198,7 +199,7 @@ export async function requestApi<TResponse>(
           headers: {
             'x-api-version': apiVersion,
             authorization: `Bearer ${token}`,
-
+            ...extraHeaders,
             ...init.headers,
           },
         });
@@ -241,3 +242,27 @@ export async function requestApi<TResponse>(
 
   return (await apiResponse.json()) as TResponse;
 }
+
+function getProxyThroughAlternativeApiHeaderFromEnv(): {
+  'x-proxy-through-alternative-api'?: string;
+} {
+  const extraHeaders: Record<string, string> = {};
+
+  try {
+    if ('VERCEL_BLOB_PROXY_THROUGH_ALTERNATIVE_API' in process.env) {
+      extraHeaders['x-proxy-through-alternative-api'] =
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion -- we know it's here from the if
+        process.env.VERCEL_BLOB_PROXY_THROUGH_ALTERNATIVE_API!;
+    } else if (
+      'NEXT_PUBLIC_VERCEL_BLOB_PROXY_THROUGH_ALTERNATIVE_API' in process.env
+    ) {
+      extraHeaders['x-proxy-through-alternative-api'] =
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion -- we know it's here from the if
+        process.env.NEXT_PUBLIC_VERCEL_BLOB_PROXY_THROUGH_ALTERNATIVE_API!;
+    }
+  } catch {
+    // noop
+  }
+
+  return extraHeaders;
+}