Use as a payment gateway

Integrating your existing account with Occasion is quick and easy.

What you need to know

  • API Login ID
  • Transaction Key

To obtain your API Login ID and Transaction Key from your account,  follow these instructions.

Disable Address Verification Service (AVS)

  1. Occasion verifies customer’s credit card on behalf of the business, so you don’t have to enable AVS through
  2. Log into the Merchant Interface at
  3. Click Account from the main toolbar.
  4. Select Settings.
  5. Click Address Verification Service in the Security Settings section.
  6. Uncheck all the box(es) next to the AVS codes.
  7. Click Submit.

Connect to Occasion (video)

  1. Login to your Occasion account, and click "Settings"
  2. Click on "Payment Gateway" from the drop-down.
  3. Click "Choose other gateway".
  4. Choose your preferred gateway and click "Use This Gateway"
  5. In Step 2- Connect, paste your API Login ID in the Login box and paste your Transaction Key in the Password box.
  6. Click "Add Gateway"

Do a Test Transaction

  1. After receiving confirmation from your Occasion Rep, create a test listing for $1.
  2. Do a test transaction with your own credit card and refund the transaction.
  3. If successful, you are ready to use Occasion with your account.
  4. If you get an error, retain the “error code”  and contact customer support.

Settings for Gateway (recommended but optional)

Avoid sending duplicate emails to yourself and your customers, disable sending “payment received emails” from Here are the  steps to turn off emails.

Support questions

Depending on the type of error:

  1. does not allow for same-day refunds. You will need to allow the transaction to settle, before trying to refund it to the customer's credit card.
  2. Gateway related help - please contact at (877) 447-3938
  3. Contact Occasion Support at or
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