These are industry-standard opt out words automatically handled by Zingle: 

STOP, STOPALL, UNSUBSCRIBE, CANCEL, END, and QUIT - will stop customers from receiving messages from your Zingle text number. 

  • A message will not be sent to a subscriber that previously texted in any of those keywords until they re-subscribe to your Zingle phone number by texting one of the OPT-IN keywords below. Only single-word messages will trigger the block.

START, YES and UNSTOP will opt customers back in to the messages from your Zingle phone number

HELP and INFO will return a message informing the customer that they can use the above commands to control the delivery of messages.

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