To send wallet notifications from Bitcoin Core to an API endpoint with wallet name, label, amount, and time received, you can modify the curl command in the walletnotify configuration as follows:

bash

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walletnotify=curl -X POST https://your.api.endpoint/notifications -d 'wallet=%s' -d 'label=%s' -d 'amount=%s' -d 'time_received=%s'

This line tells Bitcoin Core to execute the curl command with the specified URL and data every time a new transaction is added to the wallet, including the wallet name, label, amount, and time received.

Note that you will need to replace https://your.api.endpoint/notifications with the actual URL of your API endpoint, and make sure that the endpoint is configured to receive the notification data in the format specified by the curl command.