diff --git a/.changeset/brown-boxes-beg.md b/.changeset/brown-boxes-beg.md
new file mode 100644
index 000000000000..0b2d28800564
--- /dev/null
+++ b/.changeset/brown-boxes-beg.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/kit': patch
+---
+
+fix: pick up config from endpoints
diff --git a/packages/kit/src/core/postbuild/analyse.js b/packages/kit/src/core/postbuild/analyse.js
index 6930a3323e10..7b9ec39a3a70 100644
--- a/packages/kit/src/core/postbuild/analyse.js
+++ b/packages/kit/src/core/postbuild/analyse.js
@@ -89,6 +89,8 @@ async function analyse({ manifest_path, env }) {
 			if (mod.PUT) methods.add('PUT');
 			if (mod.PATCH) methods.add('PATCH');
 			if (mod.DELETE) methods.add('DELETE');
+
+			config = mod.config;
 		}
 
 		if (route.page) {
diff --git a/packages/kit/types/internal.d.ts b/packages/kit/types/internal.d.ts
index 6ac9467c173c..634651eabad9 100644
--- a/packages/kit/types/internal.d.ts
+++ b/packages/kit/types/internal.d.ts
@@ -334,6 +334,7 @@ export interface PageNodeIndexes {
 export type SSREndpoint = Partial<Record<HttpMethod, RequestHandler>> & {
 	prerender?: PrerenderOption;
 	trailingSlash?: TrailingSlash;
+	config?: any;
 };
 
 export interface SSRRoute {