curl --location --request POST '/transactions/transfer' \
--header 'Idempotency-Key;' \
--header 'Content-Type: application/json' \
--data-raw '{
"from_customer_id": "7f2a1b2c-1111-2222-3333-aaaaaaaaaaaa",
"to_customer_id": "8e3b2c4d-4444-5555-6666-bbbbbbbbbbbb",
"amount": "250.00",
"currency": "USDC"
}'{
"id": "t-cccc",
"type": "TRANSFER",
"status": "SUCCESS",
"customer_id": "7f2a1b2c-1111-2222-3333-aaaaaaaaaaaa",
"from_currency": "USDC",
"to_currency": "USDC",
"amount": "250.00",
"created_at": "2025-09-17T19:00:00Z"
}