diff --git a/main.go b/main.go
new file mode 100644
index 0000000..0b7bb48
--- /dev/null
+++ b/main.go
@@ -0,0 +1,21 @@
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/Snawoot/windscribe-proxy/wndclient"
+)
+
+func main() {
+	wndc, err := wndclient.NewWndClient(nil)
+	if err != nil {
+		panic(err)
+	}
+
+	err = wndc.RegisterToken(context.TODO())
+	if err != nil {
+		panic(err)
+	}
+	fmt.Printf("wndc=%#v\n", wndc)
+}
diff --git a/wndclient/authhash.go b/wndclient/authhash.go
new file mode 100644
index 0000000..2326b89
--- /dev/null
+++ b/wndclient/authhash.go
@@ -0,0 +1,15 @@
+package wndclient
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+	"strconv"
+	"time"
+)
+
+func MakeAuthHash(secret string) (string, int64) {
+	iTime := time.Now().Unix()
+	sTime := strconv.FormatInt(iTime, 10)
+	h := md5.Sum([]byte(secret + sTime))
+	return hex.EncodeToString(h[:]), iTime
+}
diff --git a/wndclient/messages.go b/wndclient/messages.go
index 985ff9c..08a844c 100644
--- a/wndclient/messages.go
+++ b/wndclient/messages.go
@@ -1,11 +1,11 @@
 package wndclient
 
-type WndRegisterTokenRequest struct {
+type RegisterTokenRequest struct {
 	ClientAuthHash string `json:"client_auth_hash"`
 	Time           int64  `json:"time,string"`
 }
 
-type WndRegisterTokenResponse struct {
+type RegisterTokenResponse struct {
 	TokenID        string `json:"id"`
 	Token          string `json:"token"`
 	TokenSignature string `json:"signature"`
diff --git a/wndclient/wndclient.go b/wndclient/wndclient.go
index a6944a1..097f28c 100644
--- a/wndclient/wndclient.go
+++ b/wndclient/wndclient.go
@@ -107,6 +107,24 @@ func (c *WndClient) resetCookies() error {
 func (c *WndClient) RegisterToken(ctx context.Context) error {
 	c.Mux.Lock()
 	defer c.Mux.Unlock()
+
+	clientAuthHash, authTime := MakeAuthHash(c.Settings.ClientAuthSecret)
+	input := RegisterTokenRequest{
+		ClientAuthHash: clientAuthHash,
+		Time: authTime,
+	}
+	var output RegisterTokenResponse
+
+	err := c.postJSON(ctx, c.Settings.Endpoints.RegisterToken, input, &output)
+	if err != nil {
+		return err
+	}
+
+	c.TokenID = output.TokenID
+	c.Token = output.Token
+	c.TokenSignature = output.TokenSignature
+	c.TokenSignatureTime = output.TokenTime
+
 	return nil
 }
 
@@ -127,6 +145,7 @@ func (c *WndClient) postJSON(ctx context.Context, endpoint string, input, output
 	if err != nil {
 		return err
 	}
+
 	c.populateRequest(req)
 	req.Header.Set("Content-Type", "application/json")
 	req.Header.Set("Accept", "application/json")