This refers to the version of the request payload schema.

The value of a previously authorized transaction identification number returned by a PayPal product. You can obtain a buyer's transaction number from the TransactionID element of the PayerInfo structure returned by GetTransactionDetailsResponse.

Required

Character length and limits: 19 single-byte characters maximum

Amount to reauthorize.

Required

Limitations: Must not exceed $10,000 USD in any currency. No currency symbol. Decimal separator must be a period (.), and the thousands separator must be a comma (,).

Unique id for each API request to prevent duplicate payments.

Optional
Character length and limits: 38 single-byte characters maximum.