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POST
/
challenge
/
sms
Start SMS Challenge
curl --request POST \
  --url https://api.authsignal.com/v1/client/challenge/sms \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "smsChannel": "DEFAULT"
}'
{
  "challengeId": "<string>"
}

Authorizations

​
Authorization
string
header
required

Use a short-lived token obtained from the Server API's Track Action endpoint. The token is valid for 10 minutes and should be passed in the Authorization header as 'Bearer {token}'.

Body

application/json
​
smsChannel
enum<string>
Available options:
DEFAULT,
WHATSAPP

Response

OK

​
challengeId
string