diff --git a/config/default.toml b/config/default.toml
index 4ac0113..84a9dae 100644
--- a/config/default.toml
+++ b/config/default.toml
@@ -1,7 +1,7 @@
 # App
 invoice_expiry = "12h"
 domain = "numeraire.tech"
-host = "https://swissknife.numeraire.tech"
+host = "https://api.numeraire.tech"
 fee_buffer = 0.02
 ln_provider = "breez"
 auth_provider = "jwt"
@@ -33,7 +33,7 @@ retry_delay = "5s"
 endpoint = "http://localhost:3010"
 rune = "CHANGE_ME"
 connect_timeout = "5s"
-timeout = "30s"
+timeout = "90s"
 connection_verbose = true
 accept_invalid_certs = false
 accept_invalid_hostnames = false
diff --git a/src/domains/ln_address/ln_address_service.rs b/src/domains/ln_address/ln_address_service.rs
index c3219b7..971bf3d 100644
--- a/src/domains/ln_address/ln_address_service.rs
+++ b/src/domains/ln_address/ln_address_service.rs
@@ -31,17 +31,19 @@ impl LnAddressUseCases for LnAddressService {
     async fn register(
         &self,
         wallet_id: Uuid,
-        username: String,
+        mut username: String,
     ) -> Result<LnAddress, ApplicationError> {
         debug!(%wallet_id, username, "Registering lightning address");
 
+        username = username.to_lowercase();
+
         if username.len() < MIN_USERNAME_LENGTH || username.len() > MAX_USERNAME_LENGTH {
             return Err(DataError::Validation("Invalid username length.".to_string()).into());
         }
 
         // Regex validation for allowed characters
-        let email_username_re = Regex::new(r"^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+$")
-            .expect("should not fail as a constant");
+        let email_username_re =
+            Regex::new(r"^[a-z0-9.!#$%&'*+/=?^_`{|}~-]+$").expect("should not fail as a constant");
         if !email_username_re.is_match(&username) {
             return Err(DataError::Validation("Invalid username format.".to_string()).into());
         }
diff --git a/src/infra/lightning/cln/cln_websocket_client.rs b/src/infra/lightning/cln/cln_websocket_client.rs
index 095ea92..c3fbfa4 100644
--- a/src/infra/lightning/cln/cln_websocket_client.rs
+++ b/src/infra/lightning/cln/cln_websocket_client.rs
@@ -122,6 +122,7 @@ fn on_message(
                                 if sendpay_success.status != "complete" {
                                     warn!(
                                         payment_hash = sendpay_success.payment_hash,
+                                        status = sendpay_success.status,
                                         "Invalid payment status. Expected Complete."
                                     );
                                     return;
@@ -145,9 +146,11 @@ fn on_message(
                                 if sendpay_failure.data.status != "failed" {
                                     warn!(
                                         payment_hash = sendpay_failure.data.payment_hash,
+                                        status = sendpay_failure.data.status,
                                         "Invalid payment status. Expected Failed."
                                     );
-                                    return;
+                                    // We must accept the payment as failed until this is fixed: https://github.com/ElementsProject/lightning/issues/7561
+                                    // return;
                                 }
 
                                 if let Err(err) =