Endive — Food safety facts
Safe to share · Cats · full breakdown on the linked food page
Safe as a small green treat.
The full verdict, portion guidance and serving notes are collected on the Endive food facts page.
Short answer
Yes, endive is safe if your cat ate a little. This green is non-toxic to cats as an occasional nibble. Just check the salad didn't have onion or garlic dressing. Offer water and skip the salad next time — cats don't need greens.