diff --git a/app/apps/import_app/schemas/v1.py b/app/apps/import_app/schemas/v1.py
index 74e37a1..22df7c2 100644
--- a/app/apps/import_app/schemas/v1.py
+++ b/app/apps/import_app/schemas/v1.py
@@ -167,13 +167,20 @@ class TransactionCategoryMapping(ColumnMapping):
     coerce_to: Literal["str|int"] = Field("str|int", frozen=True)
 
 
-class TransactionInternalMapping(ColumnMapping):
+class TransactionInternalNoteMapping(ColumnMapping):
     target: Literal["internal_note"] = Field(
         ..., description="Transaction field to map to"
     )
     coerce_to: Literal["str"] = Field("str", frozen=True)
 
 
+class TransactionInternalIDMapping(ColumnMapping):
+    target: Literal["internal_id"] = Field(
+        ..., description="Transaction field to map to"
+    )
+    coerce_to: Literal["str"] = Field("str", frozen=True)
+
+
 class CategoryNameMapping(ColumnMapping):
     target: Literal["category_name"] = Field(
         ..., description="Category field to map to"
@@ -314,7 +321,8 @@ class ImportProfileSchema(BaseModel):
         | TransactionTagsMapping
         | TransactionEntitiesMapping
         | TransactionCategoryMapping
-        | TransactionInternalMapping
+        | TransactionInternalNoteMapping
+        | TransactionInternalIDMapping
         | CategoryNameMapping
         | CategoryMuteMapping
         | CategoryActiveMapping
@@ -358,7 +366,8 @@ class ImportProfileSchema(BaseModel):
                 TransactionTagsMapping,
                 TransactionEntitiesMapping,
                 TransactionCategoryMapping,
-                TransactionInternalMapping,
+                TransactionInternalNoteMapping,
+                TransactionInternalIDMapping,
             ),
             "accounts": (
                 AccountNameMapping,
diff --git a/app/apps/transactions/migrations/0033_transaction_internal_id.py b/app/apps/transactions/migrations/0033_transaction_internal_id.py
new file mode 100644
index 0000000..b7d578c
--- /dev/null
+++ b/app/apps/transactions/migrations/0033_transaction_internal_id.py
@@ -0,0 +1,20 @@
+# Generated by Django 5.1.5 on 2025-01-21 01:56
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("transactions", "0032_transaction_created_at_transaction_updated_at"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="transaction",
+            name="internal_id",
+            field=models.TextField(
+                blank=True, null=True, unique=True, verbose_name="Internal ID"
+            ),
+        ),
+    ]
diff --git a/app/apps/transactions/models.py b/app/apps/transactions/models.py
index 2bd2a68..85ff53a 100644
--- a/app/apps/transactions/models.py
+++ b/app/apps/transactions/models.py
@@ -190,6 +190,9 @@ class Transaction(models.Model):
         verbose_name=_("Recurring Transaction"),
     )
     internal_note = models.TextField(blank=True, verbose_name=_("Internal Note"))
+    internal_id = models.TextField(
+        blank=True, null=True, unique=True, verbose_name=_("Internal ID")
+    )
 
     deleted = models.BooleanField(
         default=False, verbose_name=_("Deleted"), db_index=True