A real person
will write back.
We route messages to the right team and respond within two business days. No ticket systems, no auto-replies, no bots pretending to help.
Sales & enterprise
Demos, proofs of concept, on-prem deployments, procurement paperwork, pricing questions above the published tier.
Partnerships
Academic collaborations, platform integrations, research partnerships, public-interest programs.
Press
Interviews, briefings, background conversations, fact-checking. We reply to every legitimate request; please include your outlet and deadline.
Security
Vulnerability reports, coordinated disclosure, PGP key requests. See our security page for the full process.
Careers
Questions about open roles, referrals, and hiring. For applications, please use the careers page directly.
Everything else
Product feedback, billing, and general questions. We triage this inbox daily.
We're in three places.
Beijing
Shanghai
Shenzhen
Mail and registered service of process should go to the Beijing address unless we've told you otherwise.