curl -X GET https://apisandbox.delbank.com.br/v1/pix/transfers/trsf_28173a \
  --cert ./certificado.crt --key ./chave-privada.key \
  -H "x-delbank-api-key: SUA_API_KEY" \
  -H "x-delfinance-account-id: SUA_ACCOUNT_ID"

{
  "id": "trsf_28173a",
  "end_to_end_id": "E12345678202607041900trsf28173a",
  "key": "financeiro@fornecedor.com",
  "amount": 250.00,
  "status": "completed",
  "created_at": "2026-07-04T19:00:00Z"
}