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Request a MFA token via phone call

Request a MFA token via phone call


The API token must include one of the following scopes: Voice or Messaging or Fax.

Request Body REQUIRED
to string REQUIRED

The E164 number to use as the destination.

from string

The E164 number from your account to use as the origin of the call. SignalWire will use a special verified number if not specified. If using a different caller ID, make sure it is a number you have purchased or have verified on your SignalWire account.

message string

The message to play to the caller before the token is read. The message must be at most 500 characters. Defaults to "Your Personal Authorization Code is".

token_length number

The number of characters in the token, from 4 to 20. Defaults to 6.

max_attempts number

The number of allowed verification attempts, including the first one, from 1 to 20. Defaults to 3.

allow_alphas boolean

Set to true or false, whether to include letters or just numbers in the token. Defaults to false (numbers only).

valid_for number

The number of seconds the token is considered valid for. Defaults to 3600, with a maximum of 604800.



id uuid OPTIONAL

The MFA request ID. Save this for verification.

success boolean OPTIONAL

Whether the request was successfully queued.

to string OPTIONAL

The destination of the MFA request.

channel string OPTIONAL

Can be sms for a text message or call for a phone call.