diff --git a/test/metafields_test.go b/test/metafields_test.go
new file mode 100644
index 00000000..9d0f0d39
--- /dev/null
+++ b/test/metafields_test.go
@@ -0,0 +1,206 @@
+package test
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"testing"
+
+	"github.com/maxio-com/ab-golang-sdk/models"
+)
+
+// this structure has to be defined at this point since default json
+// marshaller does not work with marshalling enum as optional interface
+// for single metafield requests.
+type metafield struct {
+	Id        *int                   `json:"id,omitempty"`
+	Name      *string                `json:"name,omitempty"`
+	Scope     *models.MetafieldScope `json:"scope,omitempty"`
+	DataCount *int                   `json:"data_count,omitempty"`
+	InputType *string                `json:"input_type,omitempty"`
+	Enum      []string               `json:"enum"`
+}
+
+func (s *APISuite) TestMetafields() {
+	ctx := context.Background()
+
+	customer := s.createCustomer(ctx)
+	productFamilyID := s.createProductFamily(ctx)
+	product := s.createProduct(ctx, *productFamilyID.Id)
+	subscription := s.newSubscription(customer, product, "", []models.CreateSubscriptionComponent{})
+
+	radioFieldName := s.fkr.RandomStringWithLength(20)
+	dropdownFieldName := s.fkr.RandomStringWithLength(20)
+	textFieldName := s.fkr.RandomStringWithLength(20)
+
+	resp, err := s.client.SubscriptionsController().CreateSubscription(ctx, &models.CreateSubscriptionRequest{
+		Subscription: subscription,
+	})
+	s.NoError(err)
+	s.Equal(http.StatusCreated, resp.Response.StatusCode)
+
+	subs := resp.Data.Subscription
+
+	cases := []struct {
+		name         string
+		resourceType models.ResourceType
+		metafields   interface{}
+		assert       func(t *testing.T, resp models.ApiResponse[[]models.Metafield], err error)
+	}{
+		{
+			name:         "subscriptions",
+			resourceType: models.ResourceType_SUBSCRIPTIONS,
+			metafields: []models.Metafield{
+				{
+					Name:      &dropdownFieldName,
+					InputType: strPtr("dropdown"),
+					Scope: &models.MetafieldScope{
+						PublicShow: toPtr[models.IncludeOption](models.IncludeOption_INCLUDE),
+						PublicEdit: toPtr[models.IncludeOption](models.IncludeOption_INCLUDE),
+					},
+					Enum: models.NewOptional[interface{}](interfacePtr([]string{
+						"option 1",
+						"option 2",
+					})),
+				},
+				{
+					Name: &textFieldName,
+				},
+			},
+			assert: func(t *testing.T, resp models.ApiResponse[[]models.Metafield], err error) {
+				s.NoError(err)
+				s.Contains([]int{http.StatusOK, http.StatusCreated}, resp.Response.StatusCode)
+
+				dropdownField := resp.Data[0]
+				s.Equal(dropdownFieldName, *dropdownField.Name)
+				s.Equal("dropdown", *dropdownField.InputType)
+				// s.Len(dropdownField.Enum.Value(), 2) unusable at this stage
+				s.Equal(models.IncludeOption_INCLUDE, *dropdownField.Scope.PublicShow)
+				s.Equal(models.IncludeOption_INCLUDE, *dropdownField.Scope.PublicEdit)
+
+				textField := resp.Data[1]
+				s.Equal(textFieldName, *textField.Name)
+				s.Equal("text", *textField.InputType)
+
+				metadata := []models.CreateMetadata{
+					{
+						Name:  dropdownField.Name,
+						Value: strPtr("option 1"),
+					},
+					{
+						Name:  textField.Name,
+						Value: strPtr("something"),
+					},
+				}
+
+				r, err := s.client.CustomFieldsController().CreateMetadata(
+					ctx,
+					models.ResourceType_SUBSCRIPTIONS,
+					fmt.Sprintf("%d", *subs.Id),
+					&models.CreateMetadataRequest{
+						Metadata: metadata,
+					})
+				s.NoError(err)
+				s.Equal(http.StatusOK, r.Response.StatusCode)
+
+				s.Equal(subs.Id, r.Data[0].ResourceId)
+				s.Len(r.Data, 2)
+
+				s.Equal(metadata[0].Name, r.Data[0].Name)
+				s.Equal(*metadata[0].Value, *r.Data[0].Value)
+				s.Equal(metadata[1].Name, r.Data[1].Name)
+				s.Equal(*metadata[1].Value, *r.Data[1].Value)
+
+				rSubs, err := s.client.SubscriptionsController().ListSubscriptions(
+					ctx,
+					nil,
+					nil,
+					nil,
+					product.Id,
+					nil,
+					nil,
+					nil,
+					nil,
+					nil,
+					nil,
+					nil,
+					map[string]string{
+						dropdownFieldName: "option 1",
+					},
+					nil,
+					nil,
+					[]models.SubscriptionListInclude{},
+				)
+				s.NoError(err)
+				s.Equal(http.StatusOK, r.Response.StatusCode)
+
+				s.Len(rSubs.Data, 1)
+				s.Equal(subs.Id, rSubs.Data[0].Subscription.Id)
+			},
+		},
+		{
+			name:         "customers",
+			resourceType: models.ResourceType_CUSTOMERS,
+			metafields: metafield{
+				Name:      &radioFieldName,
+				InputType: strPtr("radio"),
+				Enum: []string{
+					"option 1",
+					"option 2",
+				},
+				Scope: &models.MetafieldScope{
+					Csv:      toPtr[models.IncludeOption](models.IncludeOption_INCLUDE),
+					Invoices: toPtr[models.IncludeOption](models.IncludeOption_INCLUDE),
+					Portal:   toPtr[models.IncludeOption](models.IncludeOption_INCLUDE),
+				},
+			},
+			assert: func(t *testing.T, resp models.ApiResponse[[]models.Metafield], err error) {
+				s.NoError(err)
+				s.Contains([]int{http.StatusOK, http.StatusCreated}, resp.Response.StatusCode)
+
+				radioField := resp.Data[0]
+				s.Equal(radioFieldName, *radioField.Name)
+				s.Equal("radio", *radioField.InputType)
+
+				s.Equal(models.IncludeOption_INCLUDE, *radioField.Scope.Csv)
+				s.Equal(models.IncludeOption_INCLUDE, *radioField.Scope.Invoices)
+				s.Equal(models.IncludeOption_INCLUDE, *radioField.Scope.Portal)
+
+				customerResp, err := s.client.CustomFieldsController().CreateMetadata(
+					ctx,
+					models.ResourceType_CUSTOMERS,
+					fmt.Sprintf("%d", *customer.Id),
+					&models.CreateMetadataRequest{
+						Metadata: []models.CreateMetadata{
+							{
+								Name:  radioField.Name,
+								Value: strPtr("option 2"),
+							},
+						},
+					},
+				)
+				s.NoError(err)
+				s.Equal(http.StatusOK, customerResp.Response.StatusCode)
+
+				s.Len(customerResp.Data, 1)
+				s.Equal(customer.Id, customerResp.Data[0].ResourceId)
+				s.Equal(radioField.Name, customerResp.Data[0].Name)
+				s.Equal("option 2", *customerResp.Data[0].Value)
+			},
+		},
+	}
+
+	for _, c := range cases {
+		s.T().Run(c.name, func(t *testing.T) {
+			resp, err := s.client.CustomFieldsController().CreateMetafields(
+				ctx,
+				c.resourceType,
+				&models.CreateMetafieldsRequest{
+					Metafields: c.metafields,
+				},
+			)
+
+			c.assert(t, resp, err)
+		})
+	}
+}