Verify a phone number
without OTP.

import com.otpless.main.OtplessManager
import com.otpless.dto.HeadlessRequest
import com.otpless.dto.HeadlessResponse

// 1. Init the OTPLESS view in your sign-in activity
private val otplessView = OtplessManager
    .getInstance().getOtplessView(this)

// 2. Build the verify request — just a phone number
val request = HeadlessRequest()
request.setPhoneNumber("91", "7069914791")

// 3. Start headless auth — SDK picks the best channel
otplessView.startHeadless(request, ::onHeadlessCallback)

private fun onHeadlessCallback(res: HeadlessResponse) {
    if (res.statusCode == 200 &&
        res.responseType == "ONETAP") {
        val token = res.response.optString("token")
        // → verify token on your backend
    }
}