Messaging API
Sign in with a registered ChatX account and create a sandbox immediately. Administrator approval promotes it to live customer messaging.
FOR DEVELOPERS
Build with HiYou for Business
Use the business API to send free-form, category-tagged messages — marketing, authentication, or utility — to individual ChatX users.
ChatX Login
Let customers sign in to your app with ChatX through a QR-based authorization flow and request only the profile scopes you need.