curl --request GET \
  --url https://sandbox-api.prava.space/v1/customers/{customer_id}/wallets/{wallet_id} \
  --header 'Api-Key: <api-key>' \
  --header 'Idempotency-Key: <idempotency-key>'

{
  "data": {
    "wallet_id": "f0e1d2c3-b4a5-6789-0123-456789abcdef",
    "customer_id": "d290f1ee-6c54-4b01-90e6-d701748f0851",
    "balance": {
      "currency": "USD",
      "amount": "100.00"
    },
    "updated_at": "2025-10-15T05:36:43.000Z"
  },
  "meta": {
    "request_id": "req_12345",
    "timestamp": "2025-10-15T05:36:43.000Z"
  }
}