The SMSCarrier service supports the Short Message Peer to Peer (SMPP) API v3.3 and v3.4. Technical information regarding each of the APIs, including the specific subset of capability supported which is contained in the SMSCarrier Abbreviated SMPP Protocol Implementation Conformance Statement (PICS), is available below.

SMSC simulator

Test your application's SMS messaging capability with our freely accessible SMSC simulators, available via SMPP.