diff --git a/lib/bigcommerce/api/utils/fetch-store-api.ts b/lib/bigcommerce/api/utils/fetch-store-api.ts
index 615ace242..22b3e5a99 100644
--- a/lib/bigcommerce/api/utils/fetch-store-api.ts
+++ b/lib/bigcommerce/api/utils/fetch-store-api.ts
@@ -1,3 +1,4 @@
+import type { RequestInit, Response } from '@vercel/fetch'
 import { getConfig } from '..'
 import { BigcommerceApiError, BigcommerceNetworkError } from './errors'
 import fetch from './fetch'
diff --git a/lib/commerce/api/index.ts b/lib/commerce/api/index.ts
index 76c620ff9..b1ef09a62 100644
--- a/lib/commerce/api/index.ts
+++ b/lib/commerce/api/index.ts
@@ -1,3 +1,5 @@
+import type { RequestInit, Response } from '@vercel/fetch'
+
 export interface CommerceAPIConfig {
   locale?: string
   commerceUrl: string