Opting Out of Texts / Opting Back Into Text Messages Opting Out of Texts https://support.twilio.com/hc/en-us/articles/223134027-Twilio-support-for-opt-out-keywords-SMS-STOP-filtering- To unsubscribe from receiving texts, athletes can reply to a word text using one of the following keywords: STOP UNSTOP UNSUBSCRIBE CANCEL Opting In To resubscribe to receiving texts, athletes can reply to a word text using one of the following keywords:: START YES UNSTOP