Payment Card Industry Data Security Standard. Also known as PCI DSS. In
our Fax API documentation, you’ll see “PCI” for short. These are
security standards for merchants and service providers that process,
store and transmit credit card holder data. ...
That can be very frustrating! I'm sorry you're experiencing unwanted
messages. Opt-in and opt-out features in messaging are recognised good
industry practices and something we strongly recommend at Sinch. Our
developer documentation details how to se...
Great question! In the US, we do support number portability. In general,
portability of numbers depends on the country. To determine if Sinch
supports number portability for a certain country, use our Country
Information tool, and look under the Numb...
If you use our Country Information tool for SMS in the Sinch Customer
Dashboard, you can display information on each country. I looked at New
Zealand as an example and it says 2-way SMS is supported but that all
services must be approved in advance. ...