What is the correct sequence of the following operations for making a delayed chained payment?
1. Make the Pay API method call.
2. Make the ExecutePayment API method call
3. Set the actionType equal to PAY_PRIMARY.
4. Set the payKey value for the API request.
The Instant Update/Callback API is used for______________. (Choose the best description to complete the sentence.)
The Instant Update/Callback API is used for______________. (Choose the best description to complete the sentence.)
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