SMS verification requirements
A verification message belongs to a particular account action. Define its trigger, recipient number type, validity period and the rules of the service requesting verification.
Discuss the actual task
Registration, sign-in and account recovery can have different requirements. Receiving one ordinary text does not demonstrate that every verification sender accepts the number.
What to prepare
Prepare a redacted flow and describe expiry, resend behaviour and failure messages. Keep passwords, live codes and recovery secrets out of an enquiry.
Learn more
SMS Pavilion also publishes guidance about messages and number use, distinguishing general knowledge from a capability that needs confirmation for a particular service.
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