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Integration with the service (API)

The API allows you to send messages through your projects and services over the HTTP/HTTPS, SMTP, and SMPP protocols. Ready-made libraries in different programming languages connect to your project and help you send messages from anywhere with a single command.

HTTP/HTTPS SMTP SMPP SOAP OMS SMS Commands Libraries and code examples


Through our SMS gateway, it is possible to send messages using the SMPP protocol versions 3.4 and 5.0.
To get access via the SMPP protocol, you must enable it in the settings in the group "API Settingsselect the appropriate option and add the IP addresses from which you will connect on this page.

SMPP server address:, port: 3700.
For an encrypted SSL connection, port 3443 is used.

Address of the backup SMPP server:

Example of connection settings (kannel format): group = smsc
smsc = smpp
smsc-id = smsc
host =
port = 3700
smsc-username = <login>
smsc-password = <password>
system-type = ""
interface-version = 34
source-addr-autodetect = yes
source-addr-ton = 5
source-addr-npi = 1
dest-addr-ton = 1
dest-addr-npi = 1
validityperiod = 1440
transceiver-mode = true
receive-port = 0
enquire-link-interval = 60
wait-ack-expire = 0
max-pending-submits = 300
throughput = 30

The maximum possible inactivity interval is 2 minutes. During this time, the Client needs to send a message or execute an empty ENQUIRE_LINK command, otherwise the connection will be terminated due to inactivity..

Example of additional settings for SSL connection (kannel versions 1.4.4 and higher): ...
port = 3443
ssl-client-certkey-file = "/etc/kannel.pem"
use-ssl = 1

The certificate can be generated by the command (Linux CentOS): /etc/ssl/certs/make-dummy-cert kannel.pem

The login is used from the personal account, the password must be created on the pagePasswords for access. The username and password must not be in Russian.
This section contains only a brief description of the SMPP protocol. For more information, see the specification.

Download the SMPP Protocol Specification v3.4 (500 Kb) (1,1 Mb).

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