Check your farcaster storage usage at caststorage.com if you’re an early fid you might find your initial storage is coming up for renewal soon. You can buy more in the frame or on the site!

Engineer @ Syndicate, prev: Rainbow, Foundation & Cloudflare /poetic-web, builds caststorage.com

do you know if warpcast sends a notification if your storage is about to expire?

It doesn’t as far as I know. However I have caststorage.com/bot which allows you to sign up and the bot will message you if you’re getting close to your limits or it’s about to expire