curl --request POST \
  --url https://api.gleap.io/v3/engagement/editor/precheck \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'project: <project>' \
  --data '
{
  "url": "<string>"
}
'

{
  "ok": true,
  "reachable": true,
  "finalUrl": "<string>",
  "blockers": [
    {
      "code": "<string>",
      "message": "<string>",
      "fix": "<string>",
      "docUrl": "<string>"
    }
  ],
  "warnings": [
    {
      "code": "<string>",
      "message": "<string>",
      "fix": "<string>",
      "docUrl": "<string>"
    }
  ]
}