diff --git a/api/migrations/versions/2025_11_18_1400-a7b4e8f2c9d1_add_enduser_authentication_provider.py b/api/migrations/versions/2025_11_18_1400-a7b4e8f2c9d1_add_enduser_authentication_provider.py
index 2668b9c752..f4e1a504dd 100644
--- a/api/migrations/versions/2025_11_18_1400-a7b4e8f2c9d1_add_enduser_authentication_provider.py
+++ b/api/migrations/versions/2025_11_18_1400-a7b4e8f2c9d1_add_enduser_authentication_provider.py
@@ -23,19 +23,18 @@ def upgrade():
         sa.Column(
             "id",
             models.types.StringUUID(),
-            server_default=sa.text("uuid_generate_v4()"),
             nullable=False,
         ),
         sa.Column(
             "name",
             sa.String(length=256),
-            server_default=sa.text("'API KEY 1'::character varying"),
+            server_default="API KEY 1",
             nullable=False,
         ),
         sa.Column("tenant_id", models.types.StringUUID(), nullable=False),
         sa.Column("end_user_id", models.types.StringUUID(), nullable=False),
-        sa.Column("provider", sa.String(length=256), nullable=False),
-        sa.Column("encrypted_credentials", sa.Text(), nullable=True),
+        sa.Column("provider", sa.Text(), nullable=False),
+        sa.Column("encrypted_credentials", sa.Text(), server_default="", nullable=False),
         sa.Column(
             "created_at",
             sa.DateTime(),
@@ -51,23 +50,22 @@ def upgrade():
         sa.Column(
             "credential_type",
             sa.String(length=32),
-            server_default=sa.text("'api-key'::character varying"),
+            server_default="api-key",
             nullable=False,
         ),
         sa.Column("expires_at", sa.BigInteger(), server_default=sa.text("-1"), nullable=False),
         sa.PrimaryKeyConstraint("id", name="tool_enduser_authentication_provider_pkey"),
         sa.UniqueConstraint(
-            "tenant_id",
-            "provider",
             "end_user_id",
+            "provider",
             "name",
             name="unique_enduser_authentication_provider",
         ),
     )
     op.create_index(
-        "tool_enduser_authentication_provider_tenant_id_idx",
+        "tool_enduser_authentication_provider_name_idx",
         "tool_enduser_authentication_providers",
-        ["tenant_id"],
+        ["name"],
         unique=False,
     )
     op.create_index(
@@ -76,17 +74,27 @@ def upgrade():
         ["end_user_id"],
         unique=False,
     )
+    op.create_index(
+        "tool_enduser_authentication_provider_provider_idx",
+        "tool_enduser_authentication_providers",
+        ["provider"],
+        unique=False,
+    )
     # ### end Alembic commands ###
 
 
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(
+        "tool_enduser_authentication_provider_provider_idx",
+        table_name="tool_enduser_authentication_providers",
+    )
     op.drop_index(
         "tool_enduser_authentication_provider_end_user_id_idx",
         table_name="tool_enduser_authentication_providers",
     )
     op.drop_index(
-        "tool_enduser_authentication_provider_tenant_id_idx",
+        "tool_enduser_authentication_provider_name_idx",
         table_name="tool_enduser_authentication_providers",
     )
     op.drop_table("tool_enduser_authentication_providers")