capitalone.com Login and Activate : Sign In to Activate the Capital One Card
Capital One Shopping is a free tool that instantly searches for savings and applies them to your cart. You’ll need to link your new credit card account to your existing one @ https://verified.capitalone.com/auth/signin
Just follow the directions under Consolidate Your Accounts. Once you’ve linked your credit card accounts, you can activate your new card.
Once your new card is in hand, activation takes just minutes @ activate.capitalone.com
Activate your card as soon as it arrives, and you can start enjoying all it has to offer.
- Sign in to your account (capitalone.com login)—online or on the Capital One Mobile app. (Text “MOBILE” to 80101 for a link to download)
- Choose the account linked to your debit card.
- Look for a button to activate your card (capitalone.com activate card) next to the debit card delivery tracker online, or below your account balance in the mobile app.
- Select “Activate Your Card” and follow the steps shown. You may be asked to set a PIN to complete the activation process
Can I lock my debit card?
Yes, you can—anytime, anywhere.
Locking your debit card will prevent transactions until you unlock it. Keep in mind that this won’t prevent automatic bill payments or other scheduled transfers from occurring.
- Sign in to your account—online or on the Capital One Mobile app. (Text “MOBILE” to 80101 for a link to download).
- Select the account linked to your debit card
On the web: Choose “Account Services and Settings.” 
• Under “Manage Debit Card”, choose “Lock Your Card” and follow the steps. 
On the app: Select “Lock Card” from the “I Want To…” menu.
