Sending in Sao Tome and Principe
Sao Tome and Principe is served by CST and Unitel STP. eSMS Africa routes to all of them through one API and one USD balance, with real-time delivery reports. A registered Sender ID is required, and our team handles the registration for you so you can launch branded, reliable messaging quickly.
Market at a glance
Networks
CST, Unitel STP
Sender ID
RequiredAlphanumeric, up to 11 characters
Regulator
-
Currency
STN (billed in USD)
Rate from (Basic)
STN 2.4434 / SMS≈ $0.1067 USD local · $0.1498 international
Best for
OTP, alerts, campaignsTransactional + promotional traffic
See the Sao Tome and Principe Pricing, Sender ID and Compliance guides for full details, or talk to sales@esmsafrica.io.