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Taking a Payment with the Finix Checkout iOS App

From the Checkout screen, you can process a Sale or Authorization. Sale is selected by default.

  • Sale: A one-step transaction that immediately charges the buyer.
  • Authorization: A two-step transaction that places a hold on funds, which you can later capture or void.

The Finix Checkout iOS app supports three ways to collect payment:

MethodDescription
Card ReaderCollect payment using a paired Pax D135 card reader. The buyer taps, swipes, or dips their card on the device.
Enter Card ManuallyType the buyer's card details directly into the app. No device required.
Payment LinkCreate a payment link and share it with the buyer to pay from their own device.

Step 1: Enter Transaction Details

  1. Tap Checkout in the navigation bar if you are not already on that screen.
  2. Select the Sale or Authorization tab.
  3. Enter the payment amount using the keypad.
Finix Checkout iOS app Checkout screen with keypad for entering a payment amount
  1. Tap Next.
    • The transaction details screen displays.
  2. Optionally, tap Add Description to add a description for the transaction.
  3. Optionally, tap Add Buyer to associate a buyer with the transaction.
    • Search for an existing buyer or tap + to create a new one.
    • Tap Add Buyer when done.
Finix Checkout iOS app transaction details screen showing the Add Buyer optionFinix Checkout iOS app buyer selection list when adding a buyer to a transactionFinix Checkout iOS app new buyer formFinix Checkout iOS app transaction details screen with a buyer added
  1. Tap Confirm and Pay.
    • A screen displays asking how you would like to collect payment.
Finix Checkout iOS app payment method selection screen showing Card Reader, Enter Card Manually, and Payment Link options

Step 2: Collect Payment

Select the payment method that applies to your situation.

Prerequisites

Steps

  1. Tap Use Card Reader.
    • The app displays Tap or Insert Card on Reader, indicating the device is ready.
    • You can optionally connect to a different device.
Finix Checkout iOS app showing Tap or Insert Card on Reader prompt
  1. Have the buyer tap, insert, or swipe their card on the D135.
    • A processing screen displays while the transaction is being submitted.
Finix Checkout iOS app processing screen while the D135 transaction is being submitted

Step 3: Transaction Result

After the transaction is submitted:

  • Approved: A Sale Approved or Authorization Approved screen displays. Choose to send a receipt by email, by text, or select No Receipt.
Finix Checkout iOS app Sale Approved screen with receipt options
  • Failed: A Failed Transaction screen displays with the reason for the failure (for example, the buyer did not complete payment in time, or there was an issue with the card).
Finix Checkout iOS app Failed Transaction screen showing the reason for failure

Tap Done to return to the Checkout screen.