Players can connect a VISA credit card via the Manage Connected Cards section of the game settings or via the Merchant Reward section of the shop.
 
In the game settings:
  1. Click on your profile icon to open your game profile.
  2. Click the cog button under your username to open the settings menu.
  3. Click Manage Connected Cards.
  4. Click Add Credit Card .
  5. Enter your card details in the VISA Enrollment Portal when prompted.
  6. Save your card to collect rewards when you accept a merchant mission.
In the shop:
  1. Click Connect Card to open merchant page.
  2. Click Connect Card.
  3. Click Add Credit Card.
  4. Enter your card details in the VISA Enrollment Portal when prompted.
  5. Save your card to collect rewards when you accept a merchant mission.
NOTE: The merchant reward program is designed to work with VISA credit card payments only. Debit cards, prepaid cards, and gift cards will not credit in-game rewards.
 
NOTE: The merchant program is not available on iOS devices due to an Apple app policy. Apple users can accept missions online at app.atlasearth.com.