diff --git a/app/src/adapter/cloudflare/config.ts b/app/src/adapter/cloudflare/config.ts
index 9fb9f15..d6e75b1 100644
--- a/app/src/adapter/cloudflare/config.ts
+++ b/app/src/adapter/cloudflare/config.ts
@@ -14,6 +14,10 @@ export const constants = {
    exec_async_event_id: "cf_register_waituntil",
    cache_endpoint: "/__bknd/cache",
    do_endpoint: "/__bknd/do",
+   d1_session: {
+      cookie: "cf_d1_session",
+      header: "x-cf-d1-session",
+   },
 };
 
 export type CfMakeConfigArgs<Env extends CloudflareEnv = CloudflareEnv> = {
@@ -35,8 +39,8 @@ function getCookieValue(cookies: string | null, name: string) {
 }
 
 export function d1SessionHelper(config: CloudflareBkndConfig<any>) {
-   const headerKey = "x-cf-d1-session";
-   const cookieKey = "cf_d1_session";
+   const headerKey = constants.d1_session.header;
+   const cookieKey = constants.d1_session.cookie;
    const transport = config.d1?.transport;
 
    return {
diff --git a/app/src/adapter/cloudflare/index.ts b/app/src/adapter/cloudflare/index.ts
index 1cba6f5..60e6a77 100644
--- a/app/src/adapter/cloudflare/index.ts
+++ b/app/src/adapter/cloudflare/index.ts
@@ -12,6 +12,7 @@ export {
    type GetBindingType,
    type BindingMap,
 } from "./bindings";
+export { constants } from "./config";
 
 export function d1(config: D1ConnectionConfig) {
    return new D1Connection(config);