There is a relay-handled eCash solution in development by nostr:nprofile1qqs04xzt6ldm9qhs0ctw0t58kf4z57umjzmjg6jywu0seadwtqqc75sprfmhxue69uhhq7tjv9kkjepwve5kzar2v9nzucm0d5hsz9mhwden5te0wfjkccte9ec8y6tdv9kzumn9wshszynhwden5te0wp6hyurvv4cxzeewv4esdp32r9. It is very likely that a solution will be coming for you to send and receive zaps using ecash mints which implement this approach. Until then you could try https://npub.cash to receive zaps.