curl "https://app.talkover.ai/api/v1/agents/agent-uuid/flow/versions" \
  -H "Authorization: Bearer talq_your_environment_token_here"

{
  "success": true,
  "data": {
    "versions": [
      {
        "id": "version-uuid-3",
        "version": "1.2.0",
        "created_at": "2024-01-15T10:00:00Z",
        "is_current": true
      },
      {
        "id": "version-uuid-2",
        "version": "1.1.0",
        "created_at": "2024-01-10T14:00:00Z",
        "is_current": false
      },
      {
        "id": "version-uuid-1",
        "version": "1.0.0",
        "created_at": "2024-01-05T09:00:00Z",
        "is_current": false
      }
    ]
  }
}