diff --git a/db/migrate/20240920084727_change_wallet_transactions_metadata_default.rb b/db/migrate/20240920084727_change_wallet_transactions_metadata_default.rb
new file mode 100644
index 00000000000..811e5a4b1c0
--- /dev/null
+++ b/db/migrate/20240920084727_change_wallet_transactions_metadata_default.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class ChangeWalletTransactionsMetadataDefault < ActiveRecord::Migration[7.1]
+  def up
+    change_column_default :wallet_transactions, :metadata, []
+    safety_assured do
+      execute <<-SQL
+        UPDATE wallet_transactions
+        SET metadata = '[]'::jsonb
+        WHERE metadata = '{}'::jsonb;
+      SQL
+    end
+  end
+
+  def down
+    change_column_default :wallet_transactions, :metadata, {}
+    safety_assured do
+      execute <<-SQL
+        UPDATE wallet_transactions
+        SET metadata = '{}'::jsonb
+        WHERE metadata = '[]'::jsonb;
+      SQL
+    end
+  end
+end
diff --git a/db/migrate/20240920091133_change_recurring_transaction_rules_transaction_metadata_default.rb b/db/migrate/20240920091133_change_recurring_transaction_rules_transaction_metadata_default.rb
new file mode 100644
index 00000000000..83e0790f326
--- /dev/null
+++ b/db/migrate/20240920091133_change_recurring_transaction_rules_transaction_metadata_default.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class ChangeRecurringTransactionRulesTransactionMetadataDefault < ActiveRecord::Migration[7.1]
+  def up
+    change_column_default :recurring_transaction_rules, :transaction_metadata, []
+    safety_assured do
+      execute <<-SQL
+        UPDATE recurring_transaction_rules
+        SET transaction_metadata = '[]'::jsonb
+        WHERE transaction_metadata = '{}'::jsonb;
+      SQL
+    end
+  end
+
+  def down
+    change_column_default :recurring_transaction_rules, :transaction_metadata, {}
+    safety_assured do
+      execute <<-SQL
+        UPDATE recurring_transaction_rules
+        SET transaction_metadata = '{}'::jsonb
+        WHERE transaction_metadata = '[]'::jsonb;
+      SQL
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 83bfb567dec..868814b2efa 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2024_09_17_145042) do
+ActiveRecord::Schema[7.1].define(version: 2024_09_20_091133) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pgcrypto"
   enable_extension "plpgsql"
@@ -1022,7 +1022,7 @@
     t.decimal "target_ongoing_balance", precision: 30, scale: 5
     t.datetime "started_at"
     t.boolean "invoice_requires_successful_payment", default: false, null: false
-    t.jsonb "transaction_metadata", default: {}
+    t.jsonb "transaction_metadata", default: []
     t.index ["started_at"], name: "index_recurring_transaction_rules_on_started_at"
     t.index ["wallet_id"], name: "index_recurring_transaction_rules_on_wallet_id"
   end
@@ -1128,7 +1128,7 @@
     t.integer "source", default: 0, null: false
     t.integer "transaction_status", default: 0, null: false
     t.boolean "invoice_requires_successful_payment", default: false, null: false
-    t.jsonb "metadata", default: {}
+    t.jsonb "metadata", default: []
     t.index ["invoice_id"], name: "index_wallet_transactions_on_invoice_id"
     t.index ["wallet_id"], name: "index_wallet_transactions_on_wallet_id"
   end
diff --git a/spec/services/wallets/create_interval_wallet_transactions_service_spec.rb b/spec/services/wallets/create_interval_wallet_transactions_service_spec.rb
index cd834964abc..4f0aa9adf7a 100644
--- a/spec/services/wallets/create_interval_wallet_transactions_service_spec.rb
+++ b/spec/services/wallets/create_interval_wallet_transactions_service_spec.rb
@@ -44,7 +44,7 @@
                 granted_credits: recurring_transaction_rule.granted_credits.to_s,
                 source: :interval,
                 invoice_requires_successful_payment: false,
-                metadata: {}
+                metadata: []
               }
             )
         end
@@ -80,7 +80,7 @@
                   granted_credits: recurring_transaction_rule.granted_credits.to_s,
                   source: :interval,
                   invoice_requires_successful_payment: false,
-                  metadata: {}
+                  metadata: []
                 }
               )
           end
@@ -111,7 +111,7 @@
                   granted_credits: "0.0",
                   source: :interval,
                   invoice_requires_successful_payment: false,
-                  metadata: {}
+                  metadata: []
                 }
               )
           end
@@ -136,7 +136,7 @@
                 granted_credits: recurring_transaction_rule.granted_credits.to_s,
                 source: :interval,
                 invoice_requires_successful_payment: false,
-                metadata: {}
+                metadata: []
               }
             )
         end
@@ -165,7 +165,7 @@
                   granted_credits: recurring_transaction_rule.granted_credits.to_s,
                   source: :interval,
                   invoice_requires_successful_payment: false,
-                  metadata: {}
+                  metadata: []
                 }
               )
           end
@@ -199,7 +199,7 @@
                   granted_credits: recurring_transaction_rule.granted_credits.to_s,
                   source: :interval,
                   invoice_requires_successful_payment: false,
-                  metadata: {}
+                  metadata: []
                 }
               )
           end
@@ -224,7 +224,7 @@
                 granted_credits: recurring_transaction_rule.granted_credits.to_s,
                 source: :interval,
                 invoice_requires_successful_payment: false,
-                metadata: {}
+                metadata: []
               }
             )
         end
@@ -253,7 +253,7 @@
                   granted_credits: recurring_transaction_rule.granted_credits.to_s,
                   source: :interval,
                   invoice_requires_successful_payment: false,
-                  metadata: {}
+                  metadata: []
                 }
               )
           end
@@ -277,7 +277,7 @@
                   granted_credits: recurring_transaction_rule.granted_credits.to_s,
                   source: :interval,
                   invoice_requires_successful_payment: false,
-                  metadata: {}
+                  metadata: []
                 }
               )
           end
@@ -302,7 +302,7 @@
                 granted_credits: recurring_transaction_rule.granted_credits.to_s,
                 source: :interval,
                 invoice_requires_successful_payment: false,
-                metadata: {}
+                metadata: []
               }
             )
         end
@@ -331,7 +331,7 @@
                   granted_credits: recurring_transaction_rule.granted_credits.to_s,
                   source: :interval,
                   invoice_requires_successful_payment: false,
-                  metadata: {}
+                  metadata: []
                 }
               )
           end
@@ -426,7 +426,7 @@
                 granted_credits: recurring_transaction_rule.granted_credits.to_s,
                 source: :interval,
                 invoice_requires_successful_payment: true,
-                metadata: {}
+                metadata: []
               }
             )
         end
diff --git a/spec/services/wallets/threshold_top_up_service_spec.rb b/spec/services/wallets/threshold_top_up_service_spec.rb
index 75da407900a..9d7c503846b 100644
--- a/spec/services/wallets/threshold_top_up_service_spec.rb
+++ b/spec/services/wallets/threshold_top_up_service_spec.rb
@@ -41,7 +41,7 @@
             granted_credits: "3.0",
             source: :threshold,
             invoice_requires_successful_payment: false,
-            metadata: {}
+            metadata: []
           }
         )
     end
@@ -132,7 +132,7 @@
               granted_credits: "0.0",
               source: :threshold,
               invoice_requires_successful_payment: false,
-              metadata: {}
+              metadata: []
             }
           )
       end