Overview
Enable 2FA on your Twitch account to access developer features like app registration.
Prerequisites
- Twitch account
- Authenticator app (Google Authenticator, Authy, etc.) or phone for SMS
Steps
1. Access Security Settings
- Navigate to https://www.twitch.tv/settings/security
- Click on "Two-Factor Authentication" section
- Click button "Set Up Two-Factor Authentication"
2. Phone Verification
- Modal dialog appears: "Two-Factor Authentication"
- Select country code from dropdown (e.g., "Japan +81")
- Enter phone number in textbox "Phone Number"
- Click button "Continue"
3. Social Account Verification (if applicable)
If your Twitch account is linked to Google:
- Dialog "Verify your social account" appears
- Click button "Continue with Google"
- Select your Google account from the account chooser
- Complete any additional Google verification if prompted
4. Enter SMS Verification Code
- 7-digit code is sent to your phone via SMS
- Enter each digit in the corresponding input fields (Digit 1-7)
- Click button "Continue"
5. Set Up Authenticator App (Recommended)
- After SMS verification, option to add authenticator app appears
- Scan QR code with Google Authenticator or similar app
- Enter the 6-digit code from the authenticator app
- Click button "Submit"
Verification
After setup, "Two-Factor Authentication" section shows:
- Status: Enabled
- Authenticator App: Connected
- Text Message (Backup): Phone number configured
Notes
- 2FA is required for Twitch Developer Console app registration
- Keep backup codes in a safe place
- You will be logged out of other devices after enabling 2FA