Memento Instance
retrieve:
Return the details about the given Memento id.
list:
List all Memento objects.
GET /api/v1/mementos/259/?format=api
{ "id": 259, "fr_name": "anmath-groupe", "en_name": "anmath-group", "fr_label": "", "en_label": "", "slug": "amcv", "is_main_memento": false, "is_active": true, "memento_url": "https://memento.epfl.ch/amcv/" }