Do you see any error message? If you send us an email to support@ getalby.com I can look into it.
Discussion
I had two error 500 messages the rest looked like they went through but no zap sent and a couple just kind of kept trying to process. nostr:npub1f6ugxyxkknket3kkdgu4k0fu74vmshawermkj8d06sz6jts9t4kslazcka said the rest just had a delay getting into her wallet.