Advisories

Message History

JUne 15, 2024

Please be advised that beginning July 1, 2024 users will no longer be able to send from the Sender Name "Semaphore". This change is intended to prevent misuse of the system.

Message History

May 1, 2023

Please be advised that as of June 1, 2023 only 30 days of message history will be available via API.

Smart Blocking of Shortened URLs

October 3, 2022

Please be advised that Smart is currently blocking all SMS containing links provided by popular link shortening services like bit.ly, t.me etc. Smart has not provided a list of blocked shortening services and does not provide failure DLRs for blocked messages. Please use full domains when sending SMS with links.

Globe URL Blocking for P2P SMS

September 30, 2022

Please be advised that Globe has started blocking all links in P2P (Person to Person) SMS messages. Semaphore provides A2P (Application to Person) SMS and our service is not affected. You may continue sending SMS containing clickable links to Globe subscribers using Semaphore.