Fortunately, you can create an omnichannel flow where each verification method can be used one after the other in the most effective way, depending on the destination.
This is where the term “Cascade” comes from. The cheapest goes first. If it doesn’t work, then the next one is enabled, and so on and so forth. Here’s an example.
“Cascade” Verification – A key function of verification
Most authentication service providers will offer SMS as the most reliable method of verification because it has the widest reach – anyone with a mobile phone (smartphone or otherwise) can receive an SMS. It’s wise to choose this method first because it ensures the message is delivered.
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