The phrase "asks for verification" is correct and usable in written English.
You can use it when referring to a request for confirmation or validation of information or a process.
Example: "The system automatically asks for verification before proceeding with the transaction."
Alternatives: "requests confirmation" or "seeks validation."
The woman with whom she pleads has been her jailer, or parole officer, or warden for these 35 years, and the woman asks for verification, assurance or otherwise for help arriving at the conclusion that the prisoner no longer poses a threat and so may be released.
When a user attempts to make a post, Craigslist asks for verification with a viable phone number.
Sometimes, the machine asks for verification from the employee who must enter/scan their badge.
The Pentagon, asked for verification, declined to confirm or deny it.
Those who ask for verification for deportation deferrals are admitting to being unauthorized workers.
(Citing privacy concerns, the company would not say if anyone had asked for verification).
The male candidates have asked for verification that Carly Fiorina has received her cootie shots prior to sharing the stage with her.
I wrote to both Ms. Laframboise and the National Post asking for verification that the retraction and settlement had, in fact, occurred.
For example, if an employee comes to a manager with a disability that cannot be seen and asks for accommodation, it's fair for the employer to ask for verification.
I applied to cash it in anyway, but Sun Life of Canada wrote back asking for verification of my wife's and son's signatures – the policy is written in trust and they are the trustees – even though the company already had these on file.
When asked for verification earlier this week via e-mail and Twitter, Anonymous hackers initially ignored the requests, except for one person who said that other members had identified the victim as a young man who had taken part in a street protest called a "paperstorm" with the people who started OpCartel.
