diff --git a/internal/core/base_repository.go b/internal/core/base_repository.go
index 395a3bf..d549953 100644
--- a/internal/core/base_repository.go
+++ b/internal/core/base_repository.go
@@ -27,3 +27,22 @@ type BaseRepo[T any] struct {
 func (repo *BaseRepo[T]) Insert(ctx context.Context, record *T) error {
 	return repo.db.WithContext(ctx).Create(record).Error
 }
+
+func (repo *BaseRepo[T]) SelectById(ctx context.Context, id int64) (*T, error) {
+	var result T
+	return &result, repo.db.WithContext(ctx).First(&result, id).Error
+}
+
+func (repo *BaseRepo[T]) List(ctx context.Context) ([]*T, error) {
+	var results []*T
+	return results, repo.db.WithContext(ctx).Find(&results).Error
+}
+
+func (repo *BaseRepo[T]) Update(ctx context.Context, record *T) error {
+	return repo.db.WithContext(ctx).Save(record).Error
+}
+
+func (repo *BaseRepo[T]) Delete(ctx context.Context, id int64) error {
+	var model T
+	return repo.db.WithContext(ctx).Delete(&model, id).Error
+}
diff --git a/internal/repository/api_key_repo.go b/internal/repository/api_key_repo.go
new file mode 100644
index 0000000..0af53dd
--- /dev/null
+++ b/internal/repository/api_key_repo.go
@@ -0,0 +1,10 @@
+package repository
+
+import (
+	"synoth.com/janus/internal/core"
+	"synoth.com/janus/internal/model"
+)
+
+type APIKeyRepo struct {
+	core.BaseRepo[model.APIKey]
+}
diff --git a/internal/repository/channel_repo.go b/internal/repository/channel_repo.go
new file mode 100644
index 0000000..891a7cf
--- /dev/null
+++ b/internal/repository/channel_repo.go
@@ -0,0 +1,10 @@
+package repository
+
+import (
+	"synoth.com/janus/internal/core"
+	"synoth.com/janus/internal/model"
+)
+
+type ChannelRepo struct {
+	core.BaseRepo[model.Channel]
+}
diff --git a/internal/repository/model_repo.go b/internal/repository/model_repo.go
new file mode 100644
index 0000000..6208ce9
--- /dev/null
+++ b/internal/repository/model_repo.go
@@ -0,0 +1,10 @@
+package repository
+
+import (
+	"synoth.com/janus/internal/core"
+	"synoth.com/janus/internal/model"
+)
+
+type ModelRepo struct {
+	core.BaseRepo[model.Model]
+}