diff --git a/keep-mobile/src/lib.rs b/keep-mobile/src/lib.rs
index 1e1b58f1..dbf95d97 100644
--- a/keep-mobile/src/lib.rs
+++ b/keep-mobile/src/lib.rs
@@ -144,6 +144,11 @@ pub fn backup_min_passphrase_length() -> u32 {
     keep_core::backup::MIN_PASSPHRASE_LEN as u32
 }
 
+#[uniffi::export]
+pub fn nip55_max_batch_size() -> u32 {
+    nip55::MAX_BATCH_SIZE as u32
+}
+
 #[uniffi::export]
 pub fn recover_nsec(
     share_data: Vec<String>,
diff --git a/keep-mobile/src/nip55.rs b/keep-mobile/src/nip55.rs
index 02deb295..4ec9e328 100644
--- a/keep-mobile/src/nip55.rs
+++ b/keep-mobile/src/nip55.rs
@@ -30,7 +30,7 @@ const RATE_LIMIT_WINDOW: Duration = Duration::from_secs(60);
 // alone is not a sufficient DoS guard.
 const MAX_REQUESTS_PER_WINDOW: u32 = 60;
 const MAX_BACKOFF: Duration = Duration::from_secs(300);
-const MAX_BATCH_SIZE: usize = 20;
+pub(crate) const MAX_BATCH_SIZE: usize = 20;
 const MAX_RATE_LIMIT_ENTRIES: usize = 1000;
 const MAX_PERMISSIONS_COUNT: usize = 32;
 const MAX_PERMISSIONS_JSON_BYTES: usize = 8 * 1024;