curl --request GET \
  --url https://sandbox-api.kotanipay.com/api/v3/onramp/crypto/{referenceId} \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "message": "Onramp crypto status successfully retrieved.",
  "data": {
    "referenceId": "<string>",
    "status": "<string>",
    "cryptoAmount": 123,
    "cryptoAmountReceived": 123,
    "feeInCrypto": 123,
    "feeType": "<string>",
    "cryptoWallet": "<string>",
    "chain": {},
    "token": {},
    "transactionHash": "<string>"
  }
}