Use this API to send SMS from C++.

  • Easy-to-use DLL
  • Delivery status via function return code
  • Long SMS (up to 765 characters)
  • Email replies
  • Proxy server support


int SendSMS(char *AccountID, char *EmailAddress, char *Password, char *Recipient, char *Message)
HMODULE RedOxygenLibrary;
SendSMSFunction *SendSMS;
int Result;

RedOxygenLibrary = LoadLibrary("redoxygen.dll");
SendSMS = (SendSMSFunction *) GetProcAddress(RedOxygenLibrary, "SendSMS");

Result = SendSMS(AccountID, EmailAddress, Password, Recipient, Message);


return Result;

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