Bulk SMS API
If you need to send messages in bulk, TeleSign offers the Bulk SMS API. You can send up to 1000 messages at once, making big mass marketing SMS campaigns, alerts, or notifications easy to set up and send.
- Send messages in bulk -
- Send a Bulk SMS Request - Send up to 1000 SMSes at a time.
- POST /v1/verify/bulk_sms - API reference for sending a bulk SMS request.