Preferred payment partner

Accept Payments with Square in ARI

Square is ARI’s preferred payment processor. Connect your Square account to take secure online invoice payments and in-person card payments — with fast payouts, fair rates, and no extra ARI fees on your transactions.

Get Started with ARI New to Square? See the offer

Available in the US, UK, AU, CA, and JP.

New to Square

Get $5,000 in free processing + $20 off hardware

Don’t have a Square account yet? Sign up through ARI and Square will give you $5,000 in free payment processing plus a $20 discount on hardware as a brand-new seller. Use the link for your country below, create your Square account, then come back to ARI to finish connecting it.

* Offer applies to net-new Square sellers only — merchants who do not already have a Square account — who sign up using the links above and process payments with Square through ARI. Already use Square? Skip ahead to Connect your Square account. Free-processing and hardware-discount amounts are set and fulfilled by Square and may be subject to Square’s terms.

Why mechanics choose Square with ARI

Fast payouts

Quick transaction times are Square’s hallmark. You typically receive online invoice payments in your Square account within 1–2 business days.

Secure

Square is an industry leader in secure payment processing, with advanced encryption, ongoing security updates, and safe data storage.

No extra ARI fees

ARI does not add a platform fee on top of your Square transactions. You only pay Square’s own processing rates.

What you can do with Square in ARI

Online invoice payments

Add a Pay Now button to your digital invoices so clients can pay by card from anywhere.

In-person card payments

Take card payments at the shop with a Square POS terminal or the Square mobile app — synced straight to ARI.

Digital wallets

Let online clients pay with Apple Pay, Google Pay, and Cash App Pay when you’re connected to Square.

1Set up your Square account

You need an active Square account to use Square in ARI. Pick the path that fits you:

New to Square: use the country sign-up links above to create your account and claim $5,000 in free processing + $20 off hardware, then return to ARI to connect it.
Already have Square: you’re all set — no new account needed. Jump straight to connecting Square to ARI.

2Connect Square to ARI

To set Square as your online payment processor in ARI:

Log in to ARI and open Settings.
Go to Online Payment Setup.
Select the Square icon.
Click Connect Now — you’ll be sent to Square to verify the connection (you must be logged in to Square to confirm).
Back in ARI, toggle Square ON to make it your primary processor.

Once connected, a Pay Now button automatically appears on each of your online invoices. Need help on Square’s side? Visit Square Support.

Connecting your Square account in ARI Online Payment Setup

3Take online payments

Create an Invoice or Job Card and add your parts and labor.
Tap Share → Share Online Invoice to send it to your client.
Your client opens it and pays with the Pay Now button. Funds go to your Square account, usually within 1–2 business days.

Track the status of every invoice from the Payments view.

Sharing an online invoice with a Pay Now button in ARI

Accept in-person payments with Square POS

Process card payments at the counter and have them sync automatically to the matching ARI invoice. Two options:

Square Terminal (hardware)

A dedicated card reader for tap, chip, and swipe. Works on web and mobile, and you can issue refunds directly inside ARI.

Square mobile app (no hardware)

Take card payments from your phone or tablet — no extra device to buy. Available on the ARI mobile app; refunds are handled from your Square Dashboard.

How to set it up

Go to Settings → Square (Manage) to open the Square POS setup page.
Click Connect Now and enter your credentials in your Square dashboard.
Back in ARI, you’ll see the Connected status. Pair your device or use the Square mobile app.

To run a payment: Payments → New Payment → Card → POS Terminal. You can also choose to pass card processing fees to your client after setup.

Get the Square app: Square for iOS · Square for Android

Square as your primary processor

Square is set as your primary online payment method as soon as you activate the connection — that’s all you need to start getting paid. ARI runs one active processor at a time, so if you use Stripe, PayPal, or another processor, switch between them from the Online Payment Setup menu whenever you need.

Good to know

When do I get paid?

Online card payments typically land in your Square account within 1–2 business days.

Does ARI charge a fee on Square payments?

No. ARI doesn’t add a platform fee on top — you only pay Square’s standard processing rates.

Which digital wallets are supported?

Apple Pay, Google Pay, and Cash App Pay show up at online checkout for Square-connected shops (enable them in your Square Dashboard under Online Checkout).

Can I pass processing fees to clients?

Yes — you can optionally pass card processing fees to the client. Set it up in your ARI online payment / POS settings.

Can I refund a Square payment?

Square Terminal payments can be refunded directly in ARI. Square mobile-app payments are refunded from your Square Dashboard.