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.

let request = OtplessRequest()
request.set(phoneNumber: "9899XXXXXX", withCountryCode: "COUNTRY_CODE")
// in seconds
request.set(otpExpiry: "30")
Task(priority: .userInitiated) {
    await Otpless.shared.start(withRequest: request)
}

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Custom OTP length

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

let request = OtplessRequest()
request.set(phoneNumber: "9899XXXXXX", withCountryCode: "COUNTRY_CODE")
// only 4 or 6 
request.set(otpLength: "6")
Task(priority: .userInitiated) {
    await Otpless.shared.start(withRequest: request)
}

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Custom Delivery Channel

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

let request = OtplessRequest()
request.set(phoneNumber: "9899XXXXXX", withCountryCode: "COUNTRY_CODE")
// WHATSAPP,SMS and VIBER
request.set(deliveryChannelForTransaction: "WHATSAPP")
Task(priority: .userInitiated) {
    await Otpless.shared.start(withRequest: request)
}