diff --git a/README.md b/README.md
index ec8b9da..65f5d92 100644
--- a/README.md
+++ b/README.md
@@ -84,7 +84,7 @@ import (
 
 func main() {
     api, _ := tonicpow.NewClient(os.Getenv("TONICPOW_API_KEY"), tonicpow.LiveEnvironment, nil)
-    _ = api.ConvertGoal("new-lead-goal", "s358wef983283...", "", "")
+    _ = api.ConvertGoalWithSession(123, "visitor-tncpw-session-guid", "from: my blog")
 }
 ```
 
diff --git a/definitions.go b/definitions.go
index 04215d3..e0d7735 100644
--- a/definitions.go
+++ b/definitions.go
@@ -20,7 +20,7 @@ const (
 	fieldShortCode           = "short_code"
 	fieldToken               = "token"
 	fieldUserID              = "user_id"
-	fieldVisitorSessionID    = "visitor_session_id"
+	fieldVisitorSessionGUID  = "tncpw_session"
 
 	// Model names (used for request endpoints)
 	modelAdvertiser = "advertisers"
diff --git a/examples/examples.go b/examples/examples.go
index 031c775..d322b53 100644
--- a/examples/examples.go
+++ b/examples/examples.go
@@ -63,7 +63,7 @@ func main() {
 	// Example: Create a user
 	//
 	user := &tonicpow.User{
-		Email:    fmt.Sprintf("Testing%d@TonicPow.com", rand.Intn(100000)),
+		Email:    fmt.Sprintf("Tes_ti-ng+%d@TonicPow.com", rand.Intn(100000)),
 		Password: testPassword,
 	}
 	if user, err = TonicPowAPI.CreateUser(user); err != nil {
diff --git a/goals.go b/goals.go
index f2d90f9..39fadc3 100644
--- a/goals.go
+++ b/goals.go
@@ -100,25 +100,61 @@ func (c *Client) UpdateGoal(goal *Goal, userSessionToken string) (updatedGoal *G
 	return
 }
 
-// ConvertGoal will fire a conversion for a given goal, if successful it will make a new Conversion
+// ConvertGoalWithVisitorSession will fire a conversion for a given goal, if successful it will make a new Conversion
 //
 // For more information: https://docs.tonicpow.com/#caeffdd5-eaad-4fc8-ac01-8288b50e8e27
-func (c *Client) ConvertGoal(goalName, visitorSessionID, additionalData, customUserID string) (conversion *Conversion, err error) {
+func (c *Client) ConvertGoalWithVisitorSession(goalID uint64, tncpwSession, additionalData string) (conversion *Conversion, err error) {
 
 	// Must have a name
-	if len(goalName) == 0 {
-		err = fmt.Errorf("missing field: %s", fieldName)
+	if goalID == 0 {
+		err = fmt.Errorf("missing field: %s", fieldID)
+		return
+	}
+
+	// Must have a session guid
+	if len(tncpwSession) == 0 {
+		err = fmt.Errorf("missing field: %s", fieldVisitorSessionGUID)
+		return
+	}
+
+	// Start the post data
+	data := map[string]string{fieldID: fmt.Sprintf("%d", goalID), fieldVisitorSessionGUID: tncpwSession, fieldAdditionalData: additionalData}
+
+	// Fire the request
+	var response string
+	if response, err = c.request(fmt.Sprintf("%s/convert", modelGoal), http.MethodPost, data, ""); err != nil {
+		return
+	}
+
+	// Only a 201 is treated as a success
+	if err = c.error(http.StatusCreated, response); err != nil {
+		return
+	}
+
+	// Convert model response
+	err = json.Unmarshal([]byte(response), &conversion)
+	return
+}
+
+// ConvertGoalWithUserID will fire a conversion for a given goal, if successful it will make a new Conversion
+//
+// For more information: https://docs.tonicpow.com/#d724f762-329e-473d-bdc4-aebc19dd9ea8
+func (c *Client) ConvertGoalWithUserID(goalID uint64, userID uint64, additionalData string) (conversion *Conversion, err error) {
+
+	// Must have a name
+	if goalID == 0 {
+		err = fmt.Errorf("missing field: %s", fieldID)
 		return
 	}
 
-	// Must have a session id
-	if len(visitorSessionID) == 0 {
-		err = fmt.Errorf("missing field: %s", fieldVisitorSessionID)
+	// Must have a user id
+	if userID == 0 {
+		err = fmt.Errorf("missing field: %s", fieldUserID)
 		return
 	}
 
 	// Start the post data
-	data := map[string]string{fieldName: goalName, fieldVisitorSessionID: visitorSessionID, fieldAdditionalData: additionalData, fieldUserID: customUserID}
+	data := map[string]string{fieldID: fmt.Sprintf("%d", goalID), fieldUserID: fmt.Sprintf("%d", userID), fieldAdditionalData: additionalData}
 
 	// Fire the request
 	var response string