diff --git a/CHANGELOG.md b/CHANGELOG.md
index a1ff8a3..71eae8b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Added `/api/v1/settings/move_followers` API endpoint (replaces `/api/v1/accounts/move_followers`).
 - Added `/api/v1/settings/import_follows` API endpoint.
+- Validation of Monero subscription payout address.
 
 ### Removed
 
diff --git a/src/mastodon_api/subscriptions/views.rs b/src/mastodon_api/subscriptions/views.rs
index 0cd8e15..a86dc25 100644
--- a/src/mastodon_api/subscriptions/views.rs
+++ b/src/mastodon_api/subscriptions/views.rs
@@ -26,7 +26,10 @@ use crate::models::profiles::types::{
 };
 use crate::models::subscriptions::queries::get_subscription_by_participants;
 use crate::models::users::queries::get_user_by_id;
-use crate::monero::wallet::create_monero_address;
+use crate::monero::{
+    helpers::validate_monero_address,
+    wallet::create_monero_address,
+};
 use crate::utils::currencies::Currency;
 use super::types::{
     Invoice,
@@ -124,6 +127,7 @@ pub async fn register_subscription_option(
             if price == 0 {
                 return Err(ValidationError("price must be greater than 0").into());
             };
+            validate_monero_address(&payout_address)?;
             let payment_info = MoneroSubscription {
                 chain_id: monero_config.chain_id.clone(),
                 price,
diff --git a/src/monero/helpers.rs b/src/monero/helpers.rs
index 3b65c9f..0e466b5 100644
--- a/src/monero/helpers.rs
+++ b/src/monero/helpers.rs
@@ -6,6 +6,7 @@ use tokio_postgres::GenericClient;
 use uuid::Uuid;
 
 use crate::config::MoneroConfig;
+use crate::errors::ValidationError;
 use crate::models::{
     invoices::queries::{
         get_invoice_by_id,
@@ -19,6 +20,14 @@ use super::wallet::{
     MoneroError,
 };
 
+pub fn validate_monero_address(address: &str)
+    -> Result<(), ValidationError>
+{
+    Address::from_str(address)
+        .map_err(|_| ValidationError("invalid monero address"))?;
+    Ok(())
+}
+
 pub async fn check_expired_invoice(
     config: &MoneroConfig,
     db_client: &impl GenericClient,