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Seacad 5.1 Apr 2026

Get started with your messaging campaign now!

Free and non-binding registration. Free test credit. Get started right away.

seven is your full service messaging provider. Revolutionize your customer communications with powerful API and comprehensive products like Voice, SMS, Text2Speech.

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sms77.io becomes seven.io

You are seeing this message because you joined us through our old name.

~~sms77.io~~ has now become seven.io.

You can now reach our service, our website and us right here on seven.io. Do you have any questions or open concerns about this? Please feel free to contact us!

Learn more about this and all the changes in our blog post.

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Appointment reminders by SMS: efficiently avoid no-shows 6. March 2025
E-invoicing obligation 2025: What you need to know now 7. February 2025

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