Using the Headless SDK, requests can be easily customized to set a specific expiry, adjust the OTP length, and select a preferred delivery channel such as WhatsApp, SMS, or Viber for phone number authentication.

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Custom Expiry

Headless request can be customized with custom expiry.

final HeadlessRequest request = new HeadlessRequest();
request.setPhoneNumber("YOUR_COUNTRY_CODE","YOUR_PHONE_NUMBER");
// in seconds
request.setExpiry(60);
otplessView.startHeadless(request, this::onHeadlessCallback);

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Custom OTP length

Headless request can be customized with custom OTP length 4 or 6.

final HeadlessRequest request = new HeadlessRequest();
request.setPhoneNumber("YOUR_COUNTRY_CODE","YOUR_PHONE_NUMBER");
// only 4 or 6 
request.setOtpLength(6)
otplessView.startHeadless(request, this::onHeadlessCallback);

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Custom Delivery Channel

Headless request can be customized with custom Delivery Channel like WHATSAPP, SMS and VIBER.

final HeadlessRequest request = new HeadlessRequest();
request.setPhoneNumber("YOUR_COUNTRY_CODE","YOUR_PHONE_NUMBER");
// WHATSAPP,SMS and VIBER
request.setDeliveryChannel(OtpDeliveryChannel.WHATSAPP);
otplessView.startHeadless(request, this::onHeadlessCallback);

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