tinymce-1.x-dev/tinymce.routing.yml

tinymce.settings_form:
  path: '/admin/config/content/formats/tinymce'
  defaults:
    _form: '\Drupal\tinymce\Form\TinymceSettingsForm'
    _title: 'TinyMCE settings'
  requirements:
    _permission: 'administer filters'
tinymce.upload:
  path: '/tinymce/upload'
  defaults:
    _controller: 'Drupal\tinymce\Controller\TinyMCEController::upload'
    _title: 'TinyMCE File Upload'
  methods: [ POST ]
  requirements:
    _permission: 'tinymce upload files'