SMS Sender ID Rules by Country: Alphanumeric, Numeric and Registration

Alphanumeric, numeric, short code and toll-free sender IDs explained, plus a country table showing where alphanumeric names are supported and where registration is required in 40 major markets.

SMS API for Nigeria: Sender IDs, DND, Networks and Delivery Tips

What you need to send SMS to Nigeria through an API: registered sender IDs, how DND treats promotional and transactional traffic, the four networks, encoding and a working request.

SMS Marketing Compliance: GDPR, Consent and Opt-Outs

What the law requires before you send marketing texts: valid consent or the soft opt-in, consent records, a free opt-out in every message, quiet hours and sender ID rules.

10DLC vs Short Code vs Toll-Free: Which US SMS Number to Use

10DLC, toll-free and short codes are the three registered routes for US business SMS. Compare registration, timelines, fees, throughput and fit, and see which one suits your traffic.