I think this was Zapple pay from nostr:nprofile1qqswrlemlh2wgqc4jkds3d8ueqj9a2j3gcm7r48v9tskdd6rxsd7rtcpzfmhxue69uhhqatjwpkx2urpvuhx2ucpz3mhxue69uhhyetvv9ujuerpd46hxtnfduqjxamnwvaz7tmwdaehgu3wwfhh2mnywfhkx6mzd96xxmmfdejhyuewvdhk6jg4k33. I don't know if it still works though  

 it should still work, if not lmk