How long an SMS really is, and when it costs two
Why 160 characters is the number that matters, what one accented letter does to your bill, and how to stay inside a single message.
Guides
SMS guides
Practical advice on getting more out of every message you send — written for people running the sending, not for developers.
Choosing a sender ID your customers will trust
The name on your message decides whether it gets read. Here is what fits, what gets rejected, and why capitalisation matters more than you would think.
Building a contact list that actually delivers
Bad numbers cost you money on every send. How to collect, format and maintain a list so your delivery rate reflects your message, not your data.
Reading your delivery reports properly
Sent is not delivered. What each status actually means, how to calculate a delivery rate that is worth acting on, and what to do about failures.
Put it into practice
Create your account and send your first message today.