Business hours
Monday–Friday, 09:00–18:00 (UTC+8)
Contact
Start with a clear requirement
Include your company, region, use case, estimated volume, and target launch date.
Official channel
@koinCommunitSupport assistant
@koinsmsadminbotOnly human support account
@mmsmsmax
The only human support account is @mmsmsmax, the official channel is @koinCommunit, and the support assistant is @koinsmsadminbot. Never send passwords, verification codes, private keys, or API keys to other accounts.