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Fast Checkout with OTP Verification

Combine the speed of one-click checkout with secure OTP verification for higher conversion rates.

2 minutes Mar 16, 2026

Overview

In modern e-commerce, speed is everything. Cartsaver’s Fast Checkout is designed to bypass the traditional, multi-step Shopify checkout process. By providing a “Buy It Now” style interface with pre-integrated OTP verification, you can reduce checkout time from minutes to seconds while ensuring every order is coming from a real customer.


Setting Up Fast Checkout in 3 Steps

Step 1: Activate the Flow

Navigate to the Configurations tab. Under Checkout Flow Option, select the middle tile: Fast Checkout.

Important: Ensure the Theme Extension toggle below the tiles is set to Active.

Step 2: Brand Your Interface

Unlike generic checkout apps, Cartsaver lets you customize the UI to match your store’s identity. Use the Primary Color settings on the right side of the dashboard:

  • Color Presets: Choose from elegant themes like Midnight, Ocean, or Velvet.
  • Custom Hex Code: Use the Color Picker to find your exact brand shade (e.g., #DE852E).
  • Live Preview: Check the mobile preview at the bottom of the screen to see exactly how your new checkout will look to customers.

Step 3: Choose Your Verification Method

Under Fast Checkout Settings, decide how you want to handle the security layer:

  1. Confirmation Template (Recommended): Uses a native WhatsApp message with a confirmation button. This requires no manual input from the customer and results in the highest completion rates.
  2. Normal OTP: The customer receives a code via WhatsApp/SMS and enters it manually into the Fast Checkout modal.

Advanced Configurations

  • Online Payment Availability: If you have an online payment gateway (like PayMob or Fawry), toggle Enable Online Payment to offer customers a choice between COD and Card directly in the Fast Checkout window.
  • Contact Verification: Select which payment methods require verification. We recommend enabling this for Cash on Delivery to eliminate “ghost” orders.

Best Practices for High Conversion

  • Target Speed: Aim for a checkout-to-confirmation time of under 45 seconds.
  • Visual Match: Ensure your Fast Checkout primary color matches your store’s “Add to Cart” button for a seamless transition.

Still need help?

Our support team is always ready to assist you with any questions.

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