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Merchant Notifications {#sa-merchant-notifications}
===================================================

`Secure Acceptance` sends merchant and customer notifications in response to transactions. You can receive a merchant notification by email or as an HTTPS POST to a URL for each transaction processed. Both notifications contain the same transaction result data.  
Ensure that your system acknowledges POST notifications (even when under load) as quickly as possible. Delays of more than 10 seconds might result in delays to future POST notifications.
` Cybersource ` recommends that you implement the merchant POST URL to receive notification of each transaction. Parse the transaction response sent to the merchant POST URL and store the data within your order management system. This ensures the accuracy of the transactions and informs you when the transaction was successfully processed.

Configuring Merchant Notifications {#sa-configure-merchant-notifications}
=========================================================================

1. In the left navigation panel, choose Payment Configuration \> `Secure Acceptance` Settings. The `Secure Acceptance` Settings page appears.
2. Choose a profile. The General Settings page appears.
3. Click Notifications. The Notifications page appears.
4. Choose a merchant notification in one of two ways:
   * Check Merchant POST URL. Enter the HTTPS URL.  
     `Cybersource` sends transaction information to this URL. For more information, see [Response Fields](/docs/cybs/en-us/sa/developer/all/sa-checkout/secure-acceptance/sa-wm-api-fields/sa-response-fields.md ""). Only an HTTPS URL supporting TLS 1.2 or higher should be used for the merchant POST URL. If you encounter any problems, contact `Cybersource` Customer Support.
   * Check Merchant POST Email. Enter your email address.  
     `Cybersource` sends transaction response information to this email address including payment information, return codes, and all relevant order information. See [Response Fields](/docs/cybs/en-us/sa/developer/all/sa-checkout/secure-acceptance/sa-wm-api-fields/sa-response-fields.md "").
5. Choose the card number digits that you want displayed in the merchant or customer receipt:
   * Return payment card BIN: displays the card's Bank Identification Number (BIN), which is the first six digits of the card number. All other digits are masked: 123456xxxxxxxxxx
   * Return last four digits of payment card number: displays the last four digits of the card number. All other digits are masked: xxxxxxxxxxxx1234
   * Return BIN and last four digits of payment card number: displays the BIN and the last four digits of the card number. All other digits are masked: 123456xxxxxx1234
6. Click Save.  
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