Send and receive SMS messages.
Send and receive MMS messages.
Send using rich messaging channels like RCS and WhatsApp.
Send text-to-speech voice calls.
Send marketing and transactional emails.
Send and receive faxes.
Send letters and postcards via the cloud.
What Is This Page?
Smsu.io is a domain used by ClickSend, an online marketing company used by thousands.
If you have received a marketing message with a smsu.io link attached, please follow the link (including any characters after smsu.io) to remove yourself from any marketing lists. ClickSend is the software provider for this marketing. We don’t send any marketing materials ourselves.