With that said, depending on your country of origin, you'll have different options. For the US I'd recommend you look at team2fa.com which offers US numbers. For Europe and specifically Germany I'd like to propose you check out Daito (disclosure: I am the founder) since we offer a real, SIM-card based phone number from Germany that works much more reliable than VOIP-based services. Source: almost 2 years ago

The Better Stack integration is included with every paid IsDown plan. Sign up for a free 14-day trial — or open Alerts & Integrations in your current IsDown account and add Better Stack now. Your team will see live incidents from AWS, Stripe, GitHub, and hundreds more, all inside the queue they already trust. - Source: dev.to / 28 days ago

Now you can monitor third-party outages right in your Better Stack account with https://isdown.app . What will you get? Single incident feed – Internal alerts and third-party outages appear in the same view. - Source: Hacker News / 28 days ago

I would say almost from day 1. Even at a lower price, it's an important step to validate an idea. When people need to put their credit card in and give you money, it's another level of commitment that I don't think you will have with a free plan. It is a level of commitment from the user but also from you. If you're getting paid, it's expected that, for example, if a service is down/not working, you need to fix... - Source: Hacker News / almost 3 years ago