curl --request POST \
  --url https://api.example.com/api/webhooks/bridge/{providerKey} \
  --header 'Content-Type: application/json' \
  --data '
{
  "orderId": "bridge_20260511_0001",
  "providerOrderId": "across_789",
  "status": "completed",
  "sourceTxHash": "0x123",
  "destinationTxHash": "0x456"
}
'

{
  "code": 0,
  "msg": "ok",
  "data": {
    "accepted": true
  }
}