curl --request POST \
  --url https://production.runalloy.com/headless/completeInstallation \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --header 'x-api-version: <x-api-version>' \
  --data '
{
  "installationId": "<string>",
  "data": [
    {
      "workflowId": "<string>",
      "blockId": "<string>",
      "fields": [
        {
          "name": "<string>",
          "value": "<string>"
        }
      ]
    }
  ]
}
'

{
  "message": "Installation completed successfully"
}