diff --git a/api/src/model/types.go b/api/src/model/types.go
index dbb9c62..c94675f 100644
--- a/api/src/model/types.go
+++ b/api/src/model/types.go
@@ -12,3 +12,40 @@ type ExampleGiftInput struct {
 	Name  string `binding:"required"`
 	Price int    `binding:"required"`
 }
+
+type User struct {
+	gorm.Model
+	Email     string `binding:"email"`
+	FirstName string 
+	LastName  string 
+	Password  string `valid:"length(6|20)"`
+}
+
+type UserInput struct {
+	Email     string `binding:"required, email"`
+	FirstName string `binding:"required"`
+	LastName  string `binding:"required"`
+	Password  string `binding:"required" valid:"length(6|20)"`
+}
+
+type Customer struct {
+	gorm.Model
+	UserID uint 
+	//GiftCollections []ExampleGiftCollection
+	//GiftRequests    []ExampleGiftRequests
+}
+
+type CustomerInput struct {
+	UserID uint `binding:"required"`
+	//GiftCollections []ExampleGiftCollection
+	//GiftRequests    []ExampleGiftRequests
+}
+
+type Admin struct {
+	gorm.Model
+	UserID uint
+}
+
+type AdminInput struct {
+	UserID uint `binding:"required"`
+}
\ No newline at end of file
diff --git a/api/tests/db_test.go b/api/tests/db_test.go
index 11b0903..b36b14b 100644
--- a/api/tests/db_test.go
+++ b/api/tests/db_test.go
@@ -87,3 +87,167 @@ func TestExampleGiftModel(t *testing.T) {
 	assert.Equal(t, int64(0), count)
 
 }
+
+
+func TestUserModel(t *testing.T) {
+	// This code should be the same for each test
+	dsn := "host=test-db user=testuser password=testpwd dbname=testdb port=5433 sslmode=disable"
+	if dbURL, exists := os.LookupEnv("TEST_DATABASE_URL"); exists {
+		dsn = dbURL
+	}
+	db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
+	if err != nil {
+		t.Fatalf("Unable to connect to database: %v", err)
+	}
+	// Put auto migrations here
+	err = db.AutoMigrate(&model.User{})
+	if err != nil {
+		panic("failed to migrate test database schema")
+	}
+	// Setup db rollback to revert db changes
+	tx := db.Begin()
+	defer tx.Rollback()
+
+	// Create User
+	user := model.User{Email: "tsai.me@northeastern.edu", FirstName: "Joey", LastName: "Tsai", Password: "dgeeg32"}
+	err = db.Create(&user).Error
+	assert.NoError(t, err)
+
+	// Check if user exists
+	var fetchedUser model.User
+	err = db.First(&fetchedUser, user.ID).Error
+	assert.NoError(t, err)
+	assert.Equal(t, user.ID, fetchedUser.ID)
+	assert.Equal(t, user.FirstName, fetchedUser.FirstName)
+	assert.Equal(t, user.LastName, fetchedUser.LastName)
+	assert.Equal(t, user.Email, fetchedUser.Email)
+	assert.Equal(t, user.Password, fetchedUser.Password)
+	assert.Equal(t, user.CreatedAt.In(time.UTC).Round(time.Millisecond),
+		fetchedUser.CreatedAt.In(time.UTC).Round(time.Millisecond))
+
+	// Update User
+	err = db.Model(&fetchedUser).Update("FirstName", "Dessy").Error
+	assert.NoError(t, err)
+
+	// Check if it's updated
+	var updatedUser model.User
+	err = db.First(&updatedUser, fetchedUser.ID).Error
+	assert.NoError(t, err)
+	assert.Equal(t, "Dessy", updatedUser.FirstName)
+
+	// Delete user
+	err = db.Delete(&updatedUser).Error
+	assert.NoError(t, err)
+
+	//  Check if it's user
+	var count int64
+	db.Model(&model.User{}).Where("id = ?", updatedUser.ID).Count(&count)
+	assert.Equal(t, int64(0), count)
+}
+
+func TestAdminModel(t *testing.T) {
+	// This code should be the same for each test
+	dsn := "host=test-db user=testuser password=testpwd dbname=testdb port=5433 sslmode=disable"
+	if dbURL, exists := os.LookupEnv("TEST_DATABASE_URL"); exists {
+		dsn = dbURL
+	}
+	db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
+	if err != nil {
+		t.Fatalf("Unable to connect to database: %v", err)
+	}
+	// Put auto migrations here
+	err = db.AutoMigrate(&model.Admin{})
+	if err != nil {
+		panic("failed to migrate test database schema")
+	}
+	// Setup db rollback to revert db changes
+	tx := db.Begin()
+	defer tx.Rollback()
+
+	// Create Admin
+	admin := model.Admin{UserID: uint(1)}
+	err = db.Create(&admin).Error
+	assert.NoError(t, err)
+
+	// Check if Admin exists
+	var fetchedAdmin model.Admin
+	err = db.First(&fetchedAdmin, admin.ID).Error
+	assert.NoError(t, err)
+	assert.Equal(t, admin.ID, fetchedAdmin.ID)
+	assert.Equal(t, admin.UserID, fetchedAdmin.UserID)
+	assert.Equal(t, admin.CreatedAt.In(time.UTC).Round(time.Millisecond),
+		fetchedAdmin.CreatedAt.In(time.UTC).Round(time.Millisecond))
+
+	// Update Admin
+	err = db.Model(&fetchedAdmin).Update("UserID", uint(2)).Error
+	assert.NoError(t, err)
+
+	// Check if it's updated
+	var updatedAdmin model.Admin
+	err = db.First(&updatedAdmin, fetchedAdmin.ID).Error
+	assert.NoError(t, err)
+	assert.Equal(t, uint(2), updatedAdmin.UserID)
+
+	// Delete Admin
+	err = db.Delete(&updatedAdmin).Error
+	assert.NoError(t, err)
+
+	//  Check if it's user
+	var count int64
+	db.Model(&model.Admin{}).Where("id = ?", updatedAdmin.ID).Count(&count)
+	assert.Equal(t, int64(0), count)
+}
+
+func TestCustomerModel(t *testing.T) {
+	// This code should be the same for each test
+	dsn := "host=test-db user=testuser password=testpwd dbname=testdb port=5433 sslmode=disable"
+	if dbURL, exists := os.LookupEnv("TEST_DATABASE_URL"); exists {
+		dsn = dbURL
+	}
+	db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
+	if err != nil {
+		t.Fatalf("Unable to connect to database: %v", err)
+	}
+	// Put auto migrations here
+	err = db.AutoMigrate(&model.Customer{})
+	if err != nil {
+		panic("failed to migrate test database schema")
+	}
+	// Setup db rollback to revert db changes
+	tx := db.Begin()
+	defer tx.Rollback()
+
+	// Create customer
+	customer := model.Customer{UserID: uint(3)}
+	err = db.Create(&customer).Error
+	assert.NoError(t, err)
+
+	// Check if customer exists
+	var fetchedCustomer model.Customer
+	err = db.First(&fetchedCustomer, customer.ID).Error
+	assert.NoError(t, err)
+	assert.Equal(t, customer.ID, fetchedCustomer.ID)
+	assert.Equal(t, customer.UserID, fetchedCustomer.UserID)
+	assert.Equal(t, customer.CreatedAt.In(time.UTC).Round(time.Millisecond),
+	fetchedCustomer.CreatedAt.In(time.UTC).Round(time.Millisecond))
+
+	// Update customer
+	err = db.Model(&fetchedCustomer).Update("UserID", uint(4)).Error
+	assert.NoError(t, err)
+
+	// Check if it's updated
+	var updatedCustomer model.Customer
+	err = db.First(&updatedCustomer, fetchedCustomer.ID).Error
+	assert.NoError(t, err)
+	assert.Equal(t, uint(4), updatedCustomer.UserID)
+
+	// Delete customer
+	err = db.Delete(&updatedCustomer).Error
+	assert.NoError(t, err)
+
+	//  Check if it's user
+	var count int64
+	db.Model(&model.Customer{}).Where("id = ?", updatedCustomer.ID).Count(&count)
+	assert.Equal(t, int64(0), count)
+}
+