diff --git a/metrics-operator/controllers/common/providers/datadog/datadog.go b/metrics-operator/controllers/common/providers/datadog/datadog.go
index 166c7c49e6d..617546502a7 100644
--- a/metrics-operator/controllers/common/providers/datadog/datadog.go
+++ b/metrics-operator/controllers/common/providers/datadog/datadog.go
@@ -2,8 +2,14 @@ package datadog
 
 import (
 	"context"
+	"fmt"
+	"github.com/DataDog/datadog-api-client-go/v2/api/datadog"
+	"github.com/DataDog/datadog-api-client-go/v2/api/datadogV1"
 	"github.com/go-logr/logr"
 	metricsapi "github.com/keptn/lifecycle-toolkit/metrics-operator/api/v1alpha2"
+	"strconv"
+	"time"
+
 	//nolint:gci
 	"net/http" //nolint:gci
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -16,7 +22,48 @@ type KeptnDataDogProvider struct {
 }
 
 // EvaluateQuery fetches the SLI values from datadog provider
-func (r *KeptnDataDogProvider) EvaluateQuery(ctx context.Context, metric metricsapi.KeptnMetric, provider metricsapi.KeptnMetricsProvider) (string, []byte, error) {
-	//TODO implement me
-	panic("implement me")
+func (d *KeptnDataDogProvider) EvaluateQuery(ctx context.Context, metric metricsapi.KeptnMetric, provider metricsapi.KeptnMetricsProvider) (string, []byte, error) {
+	ctx, cancel := context.WithTimeout(ctx, 20*time.Second)
+	defer cancel()
+
+	// TODO: get DD_API_KEY and DD_APP_KEY from kubernetes secret
+	// TODO: patch the context with the keys
+	// Ref: https://github.com/DataDog/datadog-api-client-go#getting-started
+
+	ctx = context.WithValue(
+		ctx,
+		datadog.ContextAPIKeys,
+		map[string]datadog.APIKey{
+			"apiKeyAuth": {
+				Key: "d34b12511dc0bab2566fcb46d7f8a9fa",
+			},
+			"appKeyAuth": {
+				Key: "7d04a1176e70e7c256adc7c02df77b8ccf7b72d0",
+			},
+		},
+	)
+	fromTime := time.Now().AddDate(0, 0, -1)
+	queryTime := time.Now()
+
+	configuration := datadog.NewConfiguration()
+	apiClient := datadog.NewAPIClient(configuration)
+	api := datadogV1.NewMetricsApi(apiClient)
+
+	resp, _, err := api.QueryMetrics(
+		ctx,
+		fromTime.Unix(),
+		queryTime.Unix(),
+		metric.Spec.Query,
+	)
+	if err != nil {
+		d.Log.Error(err, "Error while creating request")
+		return "", nil, err
+	}
+	if len(resp.Series) == 0 {
+		d.Log.Info("No values in query result")
+		return "", nil, fmt.Errorf("no values in query result")
+	}
+	points := (resp.Series)[0].Pointlist
+	value := strconv.FormatFloat(*points[len(points)-1][1], 'g', 5, 64)
+	return value, []byte(value), nil
 }
diff --git a/metrics-operator/controllers/common/providers/datadog/datadog_test.go b/metrics-operator/controllers/common/providers/datadog/datadog_test.go
new file mode 100644
index 00000000000..92f052bb3d5
--- /dev/null
+++ b/metrics-operator/controllers/common/providers/datadog/datadog_test.go
@@ -0,0 +1,47 @@
+package datadog
+
+import (
+	"context"
+	"net/http"
+	"testing"
+
+	metricsapi "github.com/keptn/lifecycle-toolkit/metrics-operator/api/v1alpha2"
+	"github.com/keptn/lifecycle-toolkit/metrics-operator/controllers/common/fake"
+	"github.com/stretchr/testify/require"
+	v1 "k8s.io/api/core/v1"
+	ctrl "sigs.k8s.io/controller-runtime"
+)
+
+func Test_datadog(t *testing.T) {
+
+	t.Run("datadog-test", func(t *testing.T) {
+
+		fakeClient := fake.NewClient()
+		kpp := KeptnDataDogProvider{
+			HttpClient: http.Client{},
+			Log:        ctrl.Log.WithName("testytest"),
+			K8sClient:  fakeClient,
+		}
+		obj := metricsapi.KeptnMetric{
+			Spec: metricsapi.KeptnMetricSpec{
+				Query: "avg:system.cpu.user{*}",
+			},
+		}
+		p := metricsapi.KeptnMetricsProvider{
+			Spec: metricsapi.KeptnMetricsProviderSpec{
+				SecretKeyRef: v1.SecretKeySelector{
+					LocalObjectReference: v1.LocalObjectReference{
+						Name: "dd-token",
+					},
+					Key: "dd_client_app_key",
+				},
+				TargetServer: "http://mockserver",
+			},
+		}
+		r, raw, e := kpp.EvaluateQuery(context.TODO(), obj, p)
+
+		require.Nil(t, e)
+		require.Equal(t, []byte(r), raw)
+		require.Equal(t, "", r)
+	})
+}
diff --git a/metrics-operator/go.mod b/metrics-operator/go.mod
index a6933406278..b53ef20747b 100644
--- a/metrics-operator/go.mod
+++ b/metrics-operator/go.mod
@@ -3,6 +3,7 @@ module github.com/keptn/lifecycle-toolkit/metrics-operator
 go 1.18
 
 require (
+	github.com/DataDog/datadog-api-client-go/v2 v2.9.0
 	github.com/benbjohnson/clock v1.3.0
 	github.com/go-logr/logr v1.2.3
 	github.com/gorilla/mux v1.8.0
@@ -27,6 +28,7 @@ require (
 
 require (
 	cloud.google.com/go/compute/metadata v0.2.3 // indirect
+	github.com/DataDog/zstd v1.5.0 // indirect
 	github.com/NYTimes/gziphandler v1.1.1 // indirect
 	github.com/antlr/antlr4/runtime/Go/antlr v1.4.10 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
diff --git a/metrics-operator/go.sum b/metrics-operator/go.sum
index 4a0cb559fde..28bc2fd63ab 100644
--- a/metrics-operator/go.sum
+++ b/metrics-operator/go.sum
@@ -43,6 +43,10 @@ dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/DataDog/datadog-api-client-go/v2 v2.9.0 h1:1Cz3mqj95iqnQPykEovq2p52rrU26XvLC2Fz6hPE+TU=
+github.com/DataDog/datadog-api-client-go/v2 v2.9.0/go.mod h1:sHt3EuVMN8PSYJu065qwp3pZxCwR3RZP4sJnYwj/ZQY=
+github.com/DataDog/zstd v1.5.0 h1:+K/VEwIAaPcHiMtQvpLD4lqW7f0Gk3xdYZmI1hD+CXo=
+github.com/DataDog/zstd v1.5.0/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
 github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
 github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=