curl -X DELETE https://services-staging.getplu.com/api/v1/partner/withdrawal/65f0d9f4c8a3b21e9d4a6c01 \
  -H "Authorization: Bearer sk_staging_your_api_key"

{
  "status": "success",
  "message": "Withdrawal cancelled",
  "data": {
    "id": "65f0d9f4c8a3b21e9d4a6c01",
    "partnerId": "service-partner-PdhFKbfvYr",
    "amount": 100,
    "fee": 0.5,
    "netAmount": 99.5,
    "toAddress": "0xa40aCe28a2d66f81D396c7F0ACd46Ae2e4407089",
    "chain": "base",
    "token": "usdc",
    "status": "cancelled",
    "createdAt": "2026-04-20T11:42:18.221Z",
    "cancelledAt": "2026-04-20T11:43:02.108Z"
  }
}

{
  "status": "error",
  "message": "WITHDRAWAL_NOT_CANCELLABLE",
  "data": { "error": "Cannot cancel withdrawal in status 'completed'" }
}