On Snapchat, if you want only the friends you've added to be able to communicate with you, receive your snaps and see your story, you need to change your privacy settings.
Steps

Step 1. Open Snapchat
It's a yellow app with the silhouette of a ghost.
If you weren't already signed in to Snapchat, you'll be prompted to do so

Step 2. Slide your finger down on the camera
This will open your profile page.

Step 3. Press ⚙
This button is located in the upper right corner of the screen and will open the Settings.

Step 4. Scroll down and select Contact Me
This is under the heading That can…

Step 5. Choose My Friends
This ensures that only friends you've added to Snapchat have the ability to send you photo and video snaps, or contact you in chat and phone on the app.
If someone you're not friends with sends you a snap, you'll get a notification. If you add this person to your friends, then you will be able to watch the snap

Step 6. Press <to return to the Settings menu
This button is located at the top left of the screen.

Step 7. Choose View My Story
It can be found under That can…

Step 8. Select My Friends
This ensures that only friends that you've added to Snapchat are able to see your story.
- You can also choose Personalize to create a list of specific friends who can access your story.

Step 9. Press <to return to the Settings menu

Step 10. Select Show Me in Quick Add
This option is located in the section That can…

Step 11. Turn off the Show Me slider in Quick Add
It will turn white. This ensures that you will not be added to the section Quick add friends of your friends.
- Once these three parameters are set, your account is private, and only your friends will be able to contact you, see your story and add you with Quick add.
Advice
- Before joining a group chat, check who is in it by tapping on the group name and holding. Even by choosing My friends in the privacy settings, if you are in a group, all members of that group will be able to communicate with you.