Export API_Version string in Stripe class (#2365)

Author: prathmesh-stripe

src/stripe.core.ts

@@ -60,6 +60,7 @@ export function createStripe(
   requestSender: RequestSenderFactory = defaultRequestSenderFactory
 ): typeof Stripe {
   Stripe.PACKAGE_VERSION = '18.3.0';
+  Stripe.API_VERSION = ApiVersion;
   Stripe.USER_AGENT = {
     bindings_version: Stripe.PACKAGE_VERSION,
     lang: 'node',

types/lib.d.ts

@@ -28,6 +28,7 @@ declare module 'stripe' {
       static MAX_BUFFERED_REQUEST_METRICS: number;
     }
     export type LatestApiVersion = '2025-06-30.basil';
+    export const API_VERSION: string;
     export type HttpAgent = Agent;
     export type HttpProtocol = 'http' | 'https';