What are the different ways to opt-in?

New users can opt-in to receive messages and call from your business through the three following options: 

  • Keyword opt-in: for instance, “text START to 75486 to subscribe to our notification services.”
  • Web opt-in: users sign up through a web form. They can subscribe to your notifications services while registering for an account through your website or by changing their notification preferences in the account settings.
  • Paper opt-in: users sign up by filling out a paper form at a store/kiosk. 

Web opt-in

Similar to your terms and conditions page, carriers will look for specific language in the opt-in web form. We will need a link to your web form or a screenshot of this form to submit your application. If you use a web form, it must include the following language: 

  • Opt-out and help keywords in BOLD letters.
  • The shortcode that will be used to send SMS messages.
  • The frequency at which the end users will receive messages.
  • A list of participating carriers.
  • A link to the terms and conditions and privacy policy pages.

For example, this is what the web page should contain:

You will receive up to five messages per day. Message & data rates may apply. Text HELP to 75486 for help. Text STOP to 75486 to cancel. Supported carriers: AT&T, Boost Mobile, T-Mobile, Metro PCS, Verizon Wireless, Sprint, U.S. Cellular, Nextel & Virgin Mobile. See our SMS Terms of Service and Privacy Policy.


Keyword opt-in 

Keywords are mandatory for all services delivered through a shortcode. Your messaging service must support keywords that trigger opt-in, opt-out and help commands. When a user texts any of the supported keywords, the service must have an auto-response that contains specific language around messaging frequency and messaging rates.

Here are a few examples: 

Keyword: START

Response: Thank you for subscribing to Plivo’s notification services. Reply HELP for more information. Reply STOP to cancel. Msg & data rates may apply. Msg freq may vary per user. 

Keyword: HELP

Response:  You can email us at support@plivo.com. Reply STOP to cancel. Msg & data rates may apply. Msg freq may vary per user.

Keyword: STOP

Response:  You have been unsubscribed from xxx and will no longer receive messages. Reply HELP for help. Reply START to resume services.

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