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API Overview | Sinch (v1)

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.

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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

Batches

Batches are sets of SMS messages. You can send a single message or many. Batches are queued and sent at the rate limit in first-in-first-out order.

Operations

Inbounds

Inbounds, or Mobile Originated (MO) messages, are incoming messages. Inbound messages can be listed and retrieved like batch messages and they can also be delivered by callback requests like delivery reports.

OperationsWebhooks
Webhooks