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How To Register Sender Name

Pre-Registration countries require you submit a request at our Alphanumeric Sender ID registration site. Be sure to indicate which country you want to register your ID for. When we receive your request, our Sender ID team will review it, and be in touch to update you on the progress.

Once the Sender ID registration is complete, you can use that name to your associated account as the sid parameter in the API request. now destination country mobile number will receive your message from your sender name.

Here are examples of common requirements when sending email to a Pre-Registration request:

  • The desired Sender ID
  • Intended purpose - one-time passwords, account notifications, promotional messaging, etc.
  • Company name
  • Company website
  • Projected SMS traffic (monthly)

Some countries have additional requirements; for example, in Indonesia, each telecommunication provider requires a Letter of Appointment (LOA) which authorizes Twilio to register and send branded messages on the sender’s behalf. In addition, a screenshot(s) of the page where end users insert their account details and phone number is required, as shown in the illustration below.

Prohibited use cases

We have identified the following use cases to be banned from sending messages with alphanumeric sender IDs:

  • Gambling
  • Dating sites
  • Live chats
  • Pornography
  • Antisocial forces and antisocial organization
  • Advertising without Opt-in
  • Harmful to children and teenagers
  • Spam
  • Phishing
  • Scam
  • Infringement of intellectual properties
  • Violations against the law
  • Content deemed to be contrary to public order and morality
  • Pyramid Scheme related