diff --git a/src/runtime/http/express-router.ts b/src/runtime/http/express-router.ts
index e48e9cc..8065b3d 100644
--- a/src/runtime/http/express-router.ts
+++ b/src/runtime/http/express-router.ts
@@ -575,8 +575,9 @@ export class AnchorExpressRouter {
         return;
       }
 
+      const serverConfig = this.config.get('server');
       const selectedAsset = this.config.getAsset(transaction.assetCode);
-      sendJson(res, 200, {
+      const responseData: Record<string, unknown> & { more_info_url?: string } = {
         id: transaction.id,
         kind: transaction.kind,
         status: transaction.status,
@@ -584,10 +585,17 @@ export class AnchorExpressRouter {
         asset_code: transaction.assetCode,
         asset_issuer: selectedAsset?.issuer,
         account: transaction.account,
-        interactive_url: `${this.config.get('server').interactiveDomain ?? 'http://localhost:3000'}/deposit/${transaction.id}`,
+        interactive_url: `${serverConfig.interactiveDomain ?? 'http://localhost:3000'}/deposit/${transaction.id}`,
         created_at: transaction.createdAt,
         updated_at: transaction.updatedAt,
-      });
+      };
+
+      // Add more_info_url only when interactive domain is configured
+      if (serverConfig.interactiveDomain) {
+        responseData.more_info_url = `${serverConfig.interactiveDomain}/deposit/${transaction.id}`;
+      }
+
+      sendJson(res, 200, responseData);
       return;
     }
 
diff --git a/tests/mvp-express.integration.test.ts b/tests/mvp-express.integration.test.ts
index 61cbcfb..c5b7910 100644
--- a/tests/mvp-express.integration.test.ts
+++ b/tests/mvp-express.integration.test.ts
@@ -564,6 +564,7 @@ describe('MVP Express-mounted integration', () => {
     expect(response.body.interactive_url).toBe(
       `https://anchor.example.com/deposit/${transactionId}`,
     );
+    expect(response.body.more_info_url).toBe(`https://anchor.example.com/deposit/${transactionId}`);
   });
 
   it('7b) transaction lookup returns 404 for non-existent ID', async () => {