Opened an issue with @532d830d…7fff93cb : https://github.com/PrimalHQ/primal-web-app/issues/190 In src/lib/zap.ts: When an LNURL callback already includes query parameters, the zap flow appends amount and nostr using another ? instead of &. This produces malformed callback URLs like: https://example.com/lnurlp/api/v1/lnurl/cb/abc123?webhook…