Check country SMS rules before launching in a new market.
See which sender types, registration timelines, and two-way reply options apply in each country before you send your first text. Know upfront whether a market requires a pre-registered alphanumeric sender ID, US 10DLC, or a verified toll-free number to avoid surprise carrier blocks, then enable your target countries on your workspace destination allowlist to prevent SMS pumping to unserved regions.
Europe
North America
South America
Asia
Africa
Oceania
Compare countries by sender rule
Check registration requirements, approval lead times, two-way support, and consent rules side by side when planning a multi-country rollout.
The rest of the SMS platform
Provision compliant senders, lock down workspace destinations, and deliver SMS across global mobile networks from one API.
Scale without
losing control.
Organize teams in workspaces, control API access, and trace changes through audit logs.
Organization
Harbor
Access stays in its workspace.
Production/API keys
Delivery agent
ActiveAlex Lee
Admin
Today · UTC
Audit log
Organization
Harbor
Access stays in its workspace.
Production/API keys
Delivery agent
ActiveAlex Lee
Admin
Today · UTC
Audit log
Organization
Harbor
Access stays in its workspace.
Production/API keys
Delivery agent
ActiveAlex Lee
Admin
Today · UTC
Audit log