Content of the message. The maximum characters used per SMS is 160, if used more than that, it will be counted as more than one SMS.

Name of the campaign

A recognizable prefix will ensure your audience knows who you are. Recommended by U.S. carriers. This will be added as your Brand Name before the message content. Prefer verifying maximum length of 160 characters including this prefix in message content to avoid multiple sending of same sms.

UTC date-time on which the campaign has to run (YYYY-MM-DDTHH:mm:ss.SSSZ). Prefer to pass your timezone in date-time format for accurate result.

Name of the sender. The number of characters is limited to 11 for alphanumeric characters and 15 for numeric characters

Instructions to unsubscribe from future communications. Recommended by U.S. carriers. Must include STOP keyword. This will be added as instructions after the end of message content. Prefer verifying maximum length of 160 characters including this instructions in message content to avoid multiple sending of same sms.