Returns the details of a single transfer by ID.
API key prefixed with sk_.
The ID of the transfer.
Transfer details.
"txfr_01JA1B2C3D4E5F6G7H8J9K0L"
"100.50"
"USDC"
book, wire, on_chain "book"
pending, processing, completed, failed, cancelled "completed"
outgoing, incoming "outgoing"
"Payment to vendor"
"2025-01-15T12:00:00Z"