Use your unique username/handle/tag that the platform internally recognizes you as. Some platforms you can simply copy your username and then past it into Cardsona.
Examples:
Instagram: cardsona.app
use: cardsona.app (note: do not use "@")
Twitter: cardsona
use: cardsona
TikTok: cardsona
use: @cardsona (note: "@" is required for TikTok)
Facebook: ted.tomson.9
use: ted.tomson.9
LinkedIn: ted-tomson-9b10a2111
use: ted-tomson-9b10a2111