diff --git a/go.mod b/go.mod
index 2ff3f9d..bdbdb71 100644
--- a/go.mod
+++ b/go.mod
@@ -31,6 +31,7 @@ require (
 	github.com/jinzhu/now v0.0.0-20180511015916-ed742868f2ae // indirect
 	github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af // indirect
 	github.com/json-iterator/go v0.0.0-20180806060727-1624edc4454b // indirect
+	github.com/jstemmer/go-junit-report v0.0.0-20180614143834-385fac0ced9a // indirect
 	github.com/jtolds/gls v4.2.1+incompatible // indirect
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/lib/pq v1.0.0 // indirect
diff --git a/go.sum b/go.sum
index 5b51e88..039727f 100644
--- a/go.sum
+++ b/go.sum
@@ -64,6 +64,8 @@ github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af h1:pmfjZENx5i
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/json-iterator/go v0.0.0-20180806060727-1624edc4454b h1:X61dhFTE1Au92SvyF8HyAwdjWqiSdfBgFR7wTxC0+uU=
 github.com/json-iterator/go v0.0.0-20180806060727-1624edc4454b/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
+github.com/jstemmer/go-junit-report v0.0.0-20180614143834-385fac0ced9a h1:2qq552JOlVHGYvqPc9ynBnGPDHeA7p0/QRn2NkrO8vk=
+github.com/jstemmer/go-junit-report v0.0.0-20180614143834-385fac0ced9a/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/jtolds/gls v4.2.1+incompatible h1:fSuqC+Gmlu6l/ZYAoZzx2pyucC8Xza35fpRVWLVmUEE=
 github.com/jtolds/gls v4.2.1+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
diff --git a/src/repository.go b/src/repository.go
index 1c62eed..522f280 100644
--- a/src/repository.go
+++ b/src/repository.go
@@ -29,6 +29,10 @@ func (c *Connection) createConnection() error {
 }
 
 func (c *Connection) saveConnection() error {
+	return orm.DB.Save(c).Error
+}
+
+func (c *Connection) saveConnectionByClientID() error {
 	return orm.DB.Model(c).Where("client_id = ?", c.ClientID).Update(c).Error
 }
 
diff --git a/src/routing.go b/src/routing.go
index d54a1dd..cc95d47 100644
--- a/src/routing.go
+++ b/src/routing.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"encoding/json"
 	"fmt"
 	"net/http"
 	"strconv"
@@ -159,7 +160,7 @@ func saveHandler(c *gin.Context) {
 		return
 	}
 
-	err = conn.saveConnection()
+	err = conn.saveConnectionByClientID()
 	if err != nil {
 		c.Error(err)
 		return
@@ -220,14 +221,13 @@ func createHandler(c *gin.Context) {
 }
 
 func activityHandler(c *gin.Context) {
-	var rec v5.ActivityCallback
+	var (
+		activity  v5.Activity
+		systemUrl = c.PostForm("systemUrl")
+		clientId  = c.PostForm("clientId")
+	)
 
-	if err := c.ShouldBindJSON(&rec); err != nil {
-		c.Error(err)
-		return
-	}
-
-	conn := getConnection(rec.ClientId)
+	conn := getConnection(clientId)
 	if conn.ID == 0 {
 		c.AbortWithStatusJSON(http.StatusBadRequest,
 			gin.H{
@@ -238,9 +238,24 @@ func activityHandler(c *gin.Context) {
 		return
 	}
 
-	conn.Active = rec.Activity.Active && !rec.Activity.Freeze
+	err := json.Unmarshal([]byte(c.PostForm("activity")), &activity)
+	if err != nil {
+		c.AbortWithStatusJSON(http.StatusBadRequest,
+			gin.H{
+				"success": false,
+				"error":   "Wrong data",
+			},
+		)
+		return
+	}
 
-	if err := conn.setConnectionActivity(); err != nil {
+	conn.Active = activity.Active && !activity.Freeze
+
+	if systemUrl != "" {
+		conn.APIURL = systemUrl
+	}
+
+	if err := conn.saveConnection(); err != nil {
 		c.Error(err)
 		return
 	}
diff --git a/src/routing_test.go b/src/routing_test.go
index f6483dc..af770ad 100644
--- a/src/routing_test.go
+++ b/src/routing_test.go
@@ -187,14 +187,17 @@ func TestRouting_saveHandler(t *testing.T) {
 }
 
 func TestRouting_activityHandler(t *testing.T) {
-	req, err := http.NewRequest("POST", "/actions/activity",
-		strings.NewReader(
-			`{"clientId": "123123","activity": {"active": true}}`,
-		))
+	data := url.Values{}
+	data.Set("clientId", "123123")
+	data.Set("activity", `{"active": true, "freeze": false}`)
+
+	req, err := http.NewRequest("POST", "/actions/activity", strings.NewReader(data.Encode()))
 	if err != nil {
 		t.Fatal(err)
 	}
 
+	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
+
 	rr := httptest.NewRecorder()
 	router.ServeHTTP(rr, req)