Reply fast. Stay on-brand.
UnderKey helps support agents reply faster with messages that match brand tone and language — even for international users.
(no training needed)
Support agents juggle speed, clarity, and tone — all day
One typo breaks trust. A slow reply loses a customer. And switching languages or tones manually? Exhausting. UnderKey handles it all for you, so every message is clear, fast, and consistent.
Reply templates per contact
Set preferred language, tone, and rules for each user. Replies always match expectations.
Instant translation with tone
Translate replies to match tone — formal, casual, or brand-specific — without sounding robotic.
Smart notes for recurring issues
Preload custom tips like 'Avoid emojis' or 'Always thank them first' to keep replies aligned.
Write less, help more
Use Generate mode to write full replies instantly — perfect for high-volume tickets.
A day in the inbox of a support agent
UnderKey speeds up every part of the conversation — without sacrificing tone, clarity, or quality.
🇪🇸 Ticket from Carla (Spain)
She prefers polite, clear answers in Spanish. Her UnderKey profile makes switching from English seamless.
🇯🇵 Follow-up from Akira (Japan)
Akira expects ultra-formal replies with no emojis. You’ve saved that rule in his profile — UnderKey respects it automatically.
🇨🇦 Feedback from Mike (Canada)
Mike is casual and friendly. You switch to Generate mode and send a perfectly helpful reply in 3 seconds.
Support chat simulation
See how UnderKey helps you reply to Carla in clear, respectful Spanish — in seconds.
Conversation
Rules
Reply in formal Spanish. Avoid slang. Thank her at the end.
Smart notes
Support faster. Sound better.
UnderKey helps your team stay sharp, consistent, and multilingual — with zero added stress.
Free plan available. No setup required.