The sender-provided payout header for a payout request.
sender_batch_idstringOptionalNote:PayPal does not process duplicate payouts. If you specify a
sender_batch_idthat was used in the last 30 days, the API rejects the request with an error message that shows the duplicatesender_batch_idand includes a HATEOAS link to the original payout with the samesender_batch_id.If you receive an HTTP
5nnstatus code, you can safely retry the request with the samesender_batch_id. The API completes a payment only once for asender_batch_idthat is used within 30 days.