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Phone Numbers API

With TeleSign’s Phone Numbers API, you can buy phone numbers to enable your voice and SMS communication flows.

Use Cases

Common use cases for this API include:

  • Maintain brand consistency - Send and receive SMS or voice-based calls with your customers using a familiar, consistent identifier.
  • Enable 2-way communication - Set up dedicated numbers to send outbound messages and receive inbound messages.
  • Create localized experiences - Enable a localized customer experience by using phone numbers with the same country code as your customers.
  • Mask your communication - Use intermediary phone numbers to mask the identity of your end users.

Next Steps

  • Get Started - Read an overview of how to use the Phone Numbers API, including technical details for all requests.