A robot calls the number and reads out a one-time code. Works with no internet, apps or messengers — landline phones included.
Pass Call (`pass_call` in the API) delivers a one-time code by voice: a robot calls the user’s number and reads the code out. No internet, app or messenger is needed, so it lands where other methods cannot — landlines included. The call is signed «ИП Iskuzhin IT», the caller marking Russian law requires for business calls; it cannot be replaced with your own brand.
Voice verification of a number: a robot calls and dictates a one-time code. The API method is `pass_call`.
No — this is the one method where the model differs. You are charged when the call is placed, even if the user never answers. Every other method is charged on a result.
The call is marked «ИП Iskuzhin IT». Russian law requires business calls to carry that marking and it cannot be swapped for your brand. Tell the user on the waiting screen — noticeably more of them pick up.
Yes, a voice call reaches both landline and mobile numbers.
When the code must arrive without internet or apps, or when earlier cascade steps failed. As a primary method it costs more and carries more billing risk than the reverse call at 0.25 ₽.