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Convert a Meta Key or Non-Meta Key {#keys-meta-assign-convert}
==============================================================

Follow these steps to add or remove the meta key functionality to an existing API key.  
If you remove meta key functionality from an API key, all MIDs assigned to that key will no longer be able to process transactions using that meta key.

1. On the left navigation panel of the `Business Center`, choose ![](/content/dam/new-documentation/documentation/en-us/common/images/ebc/ebc-icon-pymt-config.svg/jcr:content/renditions/original) **Payment Configuration \> Key Management**.
2. Find the key that you want to assign or revoke by searching and filtering.
3. In the Edit Key column, click the ![](/content/dam/new-documentation/documentation/en-us/common/images/ebc/ebc-bttn-edit.svg/jcr:content/renditions/original) edit button.  
   The Edit Key page appears.
4. Choose one of these options:
   * To *add* meta key functionality to the API key, check the **Meta Key** check box.
   * To *remove* meta key functionality from the API key, uncheck the **Meta Key** check box.
5. Click **Submit** when done.  
   ![](/content/dam/new-documentation/documentation/en-us/topics/payments-processing/payment-services/sec-keys/images/security-key-meta-edit.png/jcr:content/renditions/original)  
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