Introduction - If you have any usage issues, please Google them yourself
1, the system is only restricted to send China Mobile, China Unicom, telecom Tianyi China
2 of the system, each key sends 1000 messages a day only
3, each time the content should not be more than 70 characters
4, please abide by the law, not to send illegal information
5, the system provides SMS interface for mobile phone verification code verification, SMS alerts and other value-added services