How to Activate an Open Credit Card from American Express

American Express Small Business Credit Card

What can you tell me about the Open credit card that American Express offers?

Although you can get to the site by going to, there isn’t an actual “Open credit card,” so get that out of your mind right now. What that American Express sub site does offer, though, is a number of small business credit cards that offer various benefits to their cardholders. The main cards offered through the website include the Business Gold Rewards Card, the Business Green Rewards Card, the Plum Card and the business platinum card. The activation process discussed in this article is applicable to all of them.

How can I apply for an American Express small business credit card?

If you click on one of the “Learn More” buttons found underneath any of the credit cards displayed on, you will find yourself on an informational page about that particular card. On those small business American Express credit card pages, you will see a button that says “Apply” near the bottom of the page. Click that to go in to the credit application and begin filling it out to find out if you qualify for your chosen card.

I have already received my card in the mail, do I need an online account to activate it?

You can activate your new credit card over the phone, but you will have to get the number for activation from the card itself. There should be a sticker on the front of the card that gives you the correct phone number to call for your card. If you already peeled it off, you should still be able to activate the card by calling the number printed (with much smaller type) on the back of your Amex card.

How do I activate my card online without an account for their site?

If you don’t have an online login with American Express, you can still take care of card activation online.

  • Make you way to the web address
  • Enter your credit card number and the four-number card ID, which is the four digits you see printed at the top right of the card’s front
  • Click the “Continue” button

American Express Credit Card Activation

  • Select the various preferences that you would like to set up for your new credit card like alerts
  • Click the “Continue” button
  • Go through and choose the various “Card Benefits” that you would like applied to your new credit card and click “Activate
  • Go and make a purchase with your new card
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