diff --git a/splitio/sdk/conf/conf.go b/splitio/sdk/conf/conf.go
index 1d2a9d0..f06d900 100644
--- a/splitio/sdk/conf/conf.go
+++ b/splitio/sdk/conf/conf.go
@@ -15,14 +15,15 @@ const (
 )
 
 type Config struct {
-	LabelsEnabled    bool
-	StreamingEnabled bool
-	Splits           Splits
-	Segments         Segments
-	Impressions      Impressions
-	Events           Events
-	URLs             URLs
-	FlagSetsFilter   []string
+	LabelsEnabled     bool
+	StreamingEnabled  bool
+	Splits            Splits
+	Segments          Segments
+	Impressions       Impressions
+	Events            Events
+	URLs              URLs
+	FlagSetsFilter    []string
+	FallbackTreatment dtos.FallbackTreatmentConfig
 }
 
 type Splits struct {
@@ -81,6 +82,7 @@ func (c *Config) ToAdvancedConfig() *conf.AdvancedConfig {
 	d.ImpressionsQueueSize = c.Impressions.QueueSize
 	d.AuthSpecVersion = specs.FLAG_V1_1
 	d.FlagsSpecVersion = specs.FLAG_V1_1
+	d.FallbackTreatment = c.FallbackTreatment
 
 	return &d
 }
diff --git a/splitio/sdk/integration_test.go b/splitio/sdk/integration_test.go
index a906782..aba90b7 100644
--- a/splitio/sdk/integration_test.go
+++ b/splitio/sdk/integration_test.go
@@ -104,6 +104,20 @@ func TestInstantiationAndGetTreatmentE2E(t *testing.T) {
 	sdkConf.URLs.SDK = sdkServer.URL
 	sdkConf.URLs.Telemetry = telemetryServer.URL
 	sdkConf.StreamingEnabled = false
+	stringConfig := "flag1_config"
+	globalTreatment := "global_treatment"
+	flag1Treatment := "flag1_treatment"
+	sdkConf.FallbackTreatment = dtos.FallbackTreatmentConfig{
+		GlobalFallbackTreatment: &dtos.FallbackTreatment{
+			Treatment: &globalTreatment,
+		},
+		ByFlagFallbackTreatment: map[string]dtos.FallbackTreatment{
+			"flag1": {
+				Treatment: &flag1Treatment,
+				Config:    &stringConfig,
+			},
+		},
+	}
 
 	logger := logging.NewLogger(nil)
 	client, err := New(logger, "someApikey", sdkConf)
@@ -115,3 +129,115 @@ func TestInstantiationAndGetTreatmentE2E(t *testing.T) {
 	assert.Nil(t, client.Shutdown())
 	assert.Equal(t, int32(1), atomic.LoadInt32(&eventsCalls))
 }
+
+func TestInstantiationAndGetTreatmentE2EWithFallbackTreatment(t *testing.T) {
+	metricsInitCalled := 0
+	mockedSplit1 := dtos.SplitDTO{
+		Algo:                  2,
+		ChangeNumber:          123,
+		DefaultTreatment:      "default",
+		Killed:                false,
+		Name:                  "split",
+		Seed:                  1234,
+		Status:                "ACTIVE",
+		TrafficAllocation:     1,
+		TrafficAllocationSeed: -1667452163,
+		TrafficTypeName:       "tt1",
+		Conditions: []dtos.ConditionDTO{
+			{
+				ConditionType: "ROLLOUT",
+				Label:         "in segment all",
+				MatcherGroup: dtos.MatcherGroupDTO{
+					Combiner: "AND",
+					Matchers: []dtos.MatcherDTO{{MatcherType: "ALL_KEYS"}},
+				},
+				Partitions: []dtos.PartitionDTO{{Size: 100, Treatment: "on"}},
+			},
+		},
+	}
+	mockedSplit2 := dtos.SplitDTO{Name: "split2", Killed: true, Status: "ACTIVE"}
+	mockedSplit3 := dtos.SplitDTO{Name: "split3", Killed: true, Status: "INACTIVE"}
+
+	sdkServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, "GET", r.Method)
+		assert.Equal(t, "/splitChanges", r.URL.Path)
+
+		splitChanges := dtos.RuleChangesDTO{
+			FeatureFlags: dtos.FeatureFlagsDTO{
+				Splits: []dtos.SplitDTO{mockedSplit1, mockedSplit2, mockedSplit3},
+				Since:  3,
+				Till:   3,
+			},
+		}
+
+		assert.Equal(t, "-1", r.URL.Query().Get("since"))
+		assert.Equal(t, specs.FLAG_V1_3, r.URL.Query().Get("s"))
+
+		raw, err := json.Marshal(splitChanges)
+		assert.Nil(t, err)
+
+		w.Write(raw)
+	}))
+	defer sdkServer.Close()
+
+	var eventsCalls int32
+	eventsServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		atomic.AddInt32(&eventsCalls, 1)
+		assert.Equal(t, "POST", r.Method)
+		assert.Equal(t, "/testImpressions/bulk", r.URL.Path)
+
+		body, err := io.ReadAll(r.Body)
+		assert.Nil(t, err)
+
+		var imps []dtos.ImpressionsDTO
+		assert.Nil(t, json.Unmarshal(body, &imps))
+
+		assert.Equal(t, "not_exist", imps[0].TestName)
+		assert.Equal(t, 1, len(imps[0].KeyImpressions))
+		w.WriteHeader(200)
+	}))
+	defer eventsServer.Close()
+
+	telemetryServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		switch r.URL.Path {
+		case "/metrics/config":
+			metricsInitCalled++
+			rBody, _ := ioutil.ReadAll(r.Body)
+			var dataInPost dtos.Config
+			err := json.Unmarshal(rBody, &dataInPost)
+			assert.Nil(t, err)
+		}
+		fmt.Fprintln(w, "ok")
+	}))
+	defer telemetryServer.Close()
+
+	sdkConf := conf.DefaultConfig()
+	sdkConf.URLs.Events = eventsServer.URL
+	sdkConf.URLs.SDK = sdkServer.URL
+	sdkConf.URLs.Telemetry = telemetryServer.URL
+	sdkConf.StreamingEnabled = false
+	stringConfig := "flag1_config"
+	globalTreatment := "global_treatment"
+	flag1Treatment := "flag1_treatment"
+	sdkConf.FallbackTreatment = dtos.FallbackTreatmentConfig{
+		GlobalFallbackTreatment: &dtos.FallbackTreatment{
+			Treatment: &globalTreatment,
+		},
+		ByFlagFallbackTreatment: map[string]dtos.FallbackTreatment{
+			"flag1": {
+				Treatment: &flag1Treatment,
+				Config:    &stringConfig,
+			},
+		},
+	}
+
+	logger := logging.NewLogger(nil)
+	client, err := New(logger, "someApikey", sdkConf)
+	assert.Nil(t, err)
+
+	res1, _ := client.Treatment(&types.ClientConfig{}, "aaaaaaklmnbv", nil, "not_exist", nil)
+	assert.Equal(t, "global_treatment", res1.Treatment)
+
+	assert.Nil(t, client.Shutdown())
+	assert.Equal(t, int32(1), atomic.LoadInt32(&eventsCalls))
+}