diff --git a/pkg/config-api-client/test/api_configuration_test.go b/pkg/config-api-client/test/api_configuration_test.go
index 38294199..98227838 100644
--- a/pkg/config-api-client/test/api_configuration_test.go
+++ b/pkg/config-api-client/test/api_configuration_test.go
@@ -80,7 +80,7 @@ func Test_config_api_client_ConfigurationAPIService(t *testing.T) {
 		})
 	})
 
-	t.Run("Test ConfigurationAPIService PostUxiV1alpha1SensorGroupAssignmentsGet", func(t *testing.T) {
+	t.Run("Test ConfigurationAPIService PostUxiV1alpha1SensorGroupAssignmentsPost", func(t *testing.T) {
 
 		gock.New(configuration.Scheme + "://" + configuration.Host).
 			Post("/uxi/v1alpha1/sensor-group-assignments").
diff --git a/pkg/config-api-provider/provider/resources/sensor_group_assignment.go b/pkg/config-api-provider/provider/resources/sensor_group_assignment.go
index a686773e..9e979b37 100644
--- a/pkg/config-api-provider/provider/resources/sensor_group_assignment.go
+++ b/pkg/config-api-provider/provider/resources/sensor_group_assignment.go
@@ -103,18 +103,21 @@ func (r *sensorGroupAssignmentResource) Create(ctx context.Context, req resource
 		return
 	}
 
-	// TODO: Call client createSensorGroupAssignment method
-	sensorGroupAssignment := CreateSensorGroupAssignment(SensorGroupAssignmentRequestModel{
-		GroupUID:  plan.GroupID.ValueString(),
-		SensorUID: plan.SensorID.ValueString(),
-	})
-
-	// Update the state to match the plan
-	plan.ID = types.StringValue(sensorGroupAssignment.UID)
-	plan.GroupID = types.StringValue(sensorGroupAssignment.GroupUID)
-	plan.SensorID = types.StringValue(sensorGroupAssignment.SensorUID)
-
-	// Set state to fully populated data
+	postRequest := config_api_client.NewSensorGroupAssignmentsPostRequest(plan.GroupID.ValueString(), plan.SensorID.ValueString())
+	request := r.client.ConfigurationAPI.PostUxiV1alpha1SensorGroupAssignmentsPost(context.Background()).SensorGroupAssignmentsPostRequest(*postRequest)
+	sensorGroupAssignment, _, err := util.RetryFor429(request.Execute)
+	if err != nil {
+		resp.Diagnostics.AddError(
+			"Error creating sensor group assignment",
+			"Could not create sensor group assignment, unexpected error: "+err.Error(),
+		)
+		return
+	}
+
+	plan.ID = types.StringValue(sensorGroupAssignment.Id)
+	plan.GroupID = types.StringValue(sensorGroupAssignment.Group.Id)
+	plan.SensorID = types.StringValue(sensorGroupAssignment.Sensor.Id)
+
 	diags = resp.State.Set(ctx, plan)
 	resp.Diagnostics.Append(diags...)
 	if resp.Diagnostics.HasError() {
diff --git a/pkg/config-api-provider/test/data-sources/sensor_group_assignment_test.go b/pkg/config-api-provider/test/data-sources/sensor_group_assignment_test.go
index 0a30630a..99651426 100644
--- a/pkg/config-api-provider/test/data-sources/sensor_group_assignment_test.go
+++ b/pkg/config-api-provider/test/data-sources/sensor_group_assignment_test.go
@@ -23,7 +23,7 @@ func TestSensorGroupAssignmentDataSource(t *testing.T) {
 				PreConfig: func() {
 					util.MockGetSensorGroupAssignment(
 						"uid",
-						util.GenerateSensorGroupAssignmentPaginatedResponse([]map[string]interface{}{util.StructToMap(util.GenerateSensorGroupAssignmentResponse("uid", ""))}),
+						util.GenerateSensorGroupAssignmentPaginatedResponse([]map[string]interface{}{util.GenerateSensorGroupAssignmentGetResponse("uid", "")}),
 						3,
 					)
 				},
@@ -67,7 +67,7 @@ func TestSensorGroupAssignmentSource429Handling(t *testing.T) {
 						})
 					util.MockGetSensorGroupAssignment(
 						"uid",
-						util.GenerateSensorGroupAssignmentPaginatedResponse([]map[string]interface{}{util.StructToMap(util.GenerateSensorGroupAssignmentResponse("uid", ""))}),
+						util.GenerateSensorGroupAssignmentPaginatedResponse([]map[string]interface{}{util.GenerateSensorGroupAssignmentGetResponse("uid", "")}),
 						3,
 					)
 				},
diff --git a/pkg/config-api-provider/test/resources/agent_group_assignment_test.go b/pkg/config-api-provider/test/resources/agent_group_assignment_test.go
index 0779fbb0..2d24c01d 100644
--- a/pkg/config-api-provider/test/resources/agent_group_assignment_test.go
+++ b/pkg/config-api-provider/test/resources/agent_group_assignment_test.go
@@ -27,10 +27,9 @@ func TestAgentGroupAssignmentResource(t *testing.T) {
 
 					// required for group create
 					util.MockPostGroup(util.StructToMap(util.GenerateGroupResponsePostModel("group_uid", "", "")), 1)
-					util.MockGetGroup("group_uid", util.GeneratePaginatedResponse(
-						[]map[string]interface{}{
-							util.StructToMap(util.GenerateGroupResponseGetModel("group_uid", "", "")),
-						}),
+					util.MockGetGroup(
+						"group_uid",
+						util.GeneratePaginatedResponse([]map[string]interface{}{util.StructToMap(util.GenerateGroupResponseGetModel("group_uid", "", ""))}),
 						1,
 					)
 
diff --git a/pkg/config-api-provider/test/resources/sensor_group_assignment_test.go b/pkg/config-api-provider/test/resources/sensor_group_assignment_test.go
index 9682cab0..e44629ff 100644
--- a/pkg/config-api-provider/test/resources/sensor_group_assignment_test.go
+++ b/pkg/config-api-provider/test/resources/sensor_group_assignment_test.go
@@ -34,12 +34,14 @@ func TestSensorGroupAssignmentResource(t *testing.T) {
 					)
 
 					// required for sensor group assignment create
-					resources.CreateSensorGroupAssignment = func(request resources.SensorGroupAssignmentRequestModel) resources.SensorGroupAssignmentResponseModel {
-						return util.GenerateSensorGroupAssignmentResponse("sensor_group_assignment_uid", "")
-					}
+					util.MockPostSensorGroupAssignment(
+						"sensor_group_assignment_uid",
+						util.GenerateSensorGroupAssignmentPostResponse("sensor_group_assignment_uid", ""),
+						1,
+					)
 					util.MockGetSensorGroupAssignment(
 						"sensor_group_assignment_uid",
-						util.GenerateSensorGroupAssignmentPaginatedResponse([]map[string]interface{}{util.StructToMap(util.GenerateSensorGroupAssignmentResponse("sensor_group_assignment_uid", ""))}),
+						util.GenerateSensorGroupAssignmentPaginatedResponse([]map[string]interface{}{util.GenerateSensorGroupAssignmentGetResponse("sensor_group_assignment_uid", "")}),
 						1,
 					)
 				},
@@ -77,7 +79,7 @@ func TestSensorGroupAssignmentResource(t *testing.T) {
 				PreConfig: func() {
 					util.MockGetSensorGroupAssignment(
 						"sensor_group_assignment_uid",
-						util.GenerateSensorGroupAssignmentPaginatedResponse([]map[string]interface{}{util.StructToMap(util.GenerateSensorGroupAssignmentResponse("sensor_group_assignment_uid", ""))}),
+						util.GenerateSensorGroupAssignmentPaginatedResponse([]map[string]interface{}{util.GenerateSensorGroupAssignmentGetResponse("sensor_group_assignment_uid", "")}),
 						1,
 					)
 				},
@@ -112,18 +114,20 @@ func TestSensorGroupAssignmentResource(t *testing.T) {
 					// required for sensor group assignment create
 					util.MockGetSensorGroupAssignment(
 						"sensor_group_assignment_uid",
-						util.GenerateSensorGroupAssignmentPaginatedResponse([]map[string]interface{}{util.StructToMap(util.GenerateSensorGroupAssignmentResponse("sensor_group_assignment_uid", ""))}),
+						util.GenerateSensorGroupAssignmentPaginatedResponse([]map[string]interface{}{util.GenerateSensorGroupAssignmentGetResponse("sensor_group_assignment_uid", "")}),
 						1,
 					)
 					util.MockGetSensorGroupAssignment(
 						"sensor_group_assignment_uid_2",
-						util.GenerateSensorGroupAssignmentPaginatedResponse([]map[string]interface{}{util.StructToMap(util.GenerateSensorGroupAssignmentResponse("sensor_group_assignment_uid_2", "_2"))}),
+						util.GenerateSensorGroupAssignmentPaginatedResponse([]map[string]interface{}{util.GenerateSensorGroupAssignmentGetResponse("sensor_group_assignment_uid_2", "_2")}),
 						1,
 					)
 
-					resources.CreateSensorGroupAssignment = func(request resources.SensorGroupAssignmentRequestModel) resources.SensorGroupAssignmentResponseModel {
-						return util.GenerateSensorGroupAssignmentResponse("sensor_group_assignment_uid_2", "_2")
-					}
+					util.MockPostSensorGroupAssignment(
+						"sensor_group_assignment_uid_2",
+						util.GenerateSensorGroupAssignmentPostResponse("sensor_group_assignment_uid_2", "_2"),
+						1,
+					)
 				},
 				Config: provider.ProviderConfig + `
 					// the original resources
@@ -188,7 +192,7 @@ func TestSensorGroupAssignmentResource(t *testing.T) {
 					)
 					util.MockGetSensorGroupAssignment(
 						"sensor_group_assignment_uid",
-						util.GenerateSensorGroupAssignmentPaginatedResponse([]map[string]interface{}{util.StructToMap(util.GenerateSensorGroupAssignmentResponse("sensor_group_assignment_uid", ""))}),
+						util.GenerateSensorGroupAssignmentPaginatedResponse([]map[string]interface{}{util.GenerateSensorGroupAssignmentGetResponse("sensor_group_assignment_uid", "")}),
 						1,
 					)
 				},
diff --git a/pkg/config-api-provider/test/util/utils.go b/pkg/config-api-provider/test/util/utils.go
index 2d79978c..84b64335 100644
--- a/pkg/config-api-provider/test/util/utils.go
+++ b/pkg/config-api-provider/test/util/utils.go
@@ -134,11 +134,19 @@ func GenerateWirelessNetworkPaginatedResponse(wirelessNetworks []map[string]inte
 	}
 }
 
-func GenerateSensorGroupAssignmentResponse(uid string, postfix string) resources.SensorGroupAssignmentResponseModel {
-	return resources.SensorGroupAssignmentResponseModel{
-		UID:       uid,
-		GroupUID:  "group_uid" + postfix,
-		SensorUID: "sensor_uid" + postfix,
+func GenerateSensorGroupAssignmentPostResponse(uid string, postfix string) map[string]interface{} {
+	return map[string]interface{}{
+		"id":     uid,
+		"group":  map[string]string{"id": "group_uid" + postfix},
+		"sensor": map[string]string{"id": "sensor_uid" + postfix},
+	}
+}
+
+func GenerateSensorGroupAssignmentGetResponse(uid string, postfix string) map[string]interface{} {
+	return map[string]interface{}{
+		"uid":        uid,
+		"group_uid":  "group_uid" + postfix,
+		"sensor_uid": "sensor_uid" + postfix,
 	}
 }
 
@@ -246,3 +254,14 @@ func MockGetSensorGroupAssignment(uid string, response map[string]interface{}, t
 		Reply(200).
 		JSON(response)
 }
+
+func MockPostSensorGroupAssignment(uid string, response map[string]interface{}, times int) {
+	gock.New("https://test.api.capenetworks.com").
+		Post("/uxi/v1alpha1/sensor-group-assignments").
+		MatchHeader("Content-Type", "application/json").
+		MatchHeader("Authorization", "mock_token").
+		Times(times).
+		Reply(200).
+		JSON(response)
+
+}