Sinch SMS API is one of the easiest APIs we offer and enables you to add fast and reliable global SMS to your applications. Send single messages, scheduled batch messages, use available message templates and more.
API Overview | Sinch (v1)
Overview
Languages
Servers
Global API
https://{region}.sms.api.sinch.com/
Delivery reports
The REST API uses message statuses and error codes in delivery reports, which refer to the state of the batch and can be present in either Retrieve a delivery report or sent as a callback.
OperationsWebhooks
Groups
A group is a set of phone numbers (or MSISDNs) that can be used as a target when sending an SMS. An phone number (MSISDN) can only occur once in a group and any attempts to add a duplicate are ignored but not rejected.
Operations