No contact form — a mail channel is easier to keep honest than a form endpoint that could log more than it shows. Best effort, usually < 24h.
gpg --encrypt --armor -r wire@senpera.io message.txt; the key and its fingerprint are on /pgp27B0 91BB 1502 93DD FF74 0403 11C1 E4B2 6BCB 896B — verify a message against it on /verifyBefore writing: most swap questions are answered by /track, /fees and /how-to-use. For a stuck swap, have your SP-reference or the deposit txid ready.