The trial ends automatically without any commitments! Check out the API documentation here.

Get a SmartDialog 1-way messaging license.  Check out the API documentation here.

Reach your customers with 2-way SMS and WhatsApp messages

Instant messages are a great way to diversify and enhance communication. Our 2-way messaging service is a versatile secure and affordable messaging solution for sending and receiving SMS messages and WhatsApp messages in Finland and globally. With it, you get a quick answer from your customer to a question about, for example, an appointment, an opinion poll or an order.

If you only want to send messages, check out our 1-way messaging service.

2-way messaging service is one of the services included in SmartDialog. All services are managed through the same, easy-to-use user interface. You can choose one service or combine the ones them you need.


2-way messaging functionality

To send and receive messages, you can use the versatile and well-documented API interface, or you can send and receive messages manually via the web management interface. Messages and data content can be received from several different channels (SMS, MMS, WhatsApp, Webhook) to the same service.

SMS features

WhatsApp features

Chat features

Try SmartDialog 1-way SMS messaging API for free

Register as a test customer. The trial ends automatically without any commitments! Check out the api documentation here


  • The duration of the trial period is 30 days
  • Maximum 50 messages
  • Allowed to send to own phone number

Do you want more information about our service?

Contact our customer service or