curl --request POST \
  --url https://app.tagadapay.com/api/public/v1/payment-flows/update \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "flowId": "flow_abc123",
  "data": {
    "strategy": "cascade",
    "threeDsEnabled": true,
    "fallbackProcessorConfigs": [
      {
        "processorId": "proc_checkout",
        "orderIndex": 0
      }
    ]
  }
}
'

{
  "message": "<string>",
  "code": "<string>",
  "issues": [
    {
      "message": "<string>"
    }
  ]
}