Only first-rate SMS messages. Choose between Standard SMS or Premium SMS with encryption.
Acquire virtual numbers to enable payment, donations or signup for competitions via SMS.
Use our HLR lookup service to test availability before SMS broadcasts.
Receive SMS messages in your email inbox and send emails that convert to SMS messages.
Read more about our price structure, possible country restrictions and add-on services.
Latest news, tips & tricks, customer cases, and in-depth technical posts
See possible restrictions for over 200 countries
Use our WordPress SMS plugin to send SMS messages to your customers easily.
Use Make to set up advanced integrations and automations between thousands of services.
No-code platform for setting up integrations and automations between your favorite tools.
Strengthen your webshop and customer satisfaction with SMS customer updates.
View our API-options and learn how to connect with GatewayAPI.
Learn how to quickly get started using your GatewayAPI account.
Watch the status of our APIs as well as secondary services.
Browse our FAQ or get in contact with our support team.
Meet the team behind GatewayAPI and find contact info.
Connect to GatewayAPI with your preferred coding language.
How to send SMS messages with PHP.
How to send SMS messages using WordPress.
At ONLINECITY.IO, the parent company of GatewayAPI, we take our responsibility seriously and strive to make the world a better place both locally and globally.