Loyalty for Zettle by PayPal merchants, at the point of payment
Zettle by PayPal is a popular reader and POS for market traders, cafés and small shops that want simple pricing and PayPal settlement. Zettle by PayPal readers do not host third-party apps, so loyalty on the Zettle by PayPal device itself is not possible today. What is possible is loyalty that happens inside the card payment on a supported Android terminal, with no customer app and no QR code. This page explains the honest options for a Zettle by PayPal merchant.
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Why loyalty fails at a Zettle by PayPal counter
Most schemes ask a Zettle by PayPal merchant's customer to do something extra at the busiest moment of the transaction: find a card, open an app, scan a code. Staff forget to ask, queues build, and enrolment stalls within a few weeks of launch.


Enrolment inside the payment
The terminal handles recognition and sign-up as part of the card transaction the customer is already completing on the Zettle by PayPal card machine. Nothing is added to the queue and nothing is asked of the person serving.
What Zettle by PayPal devices can and cannot do
Zettle Reader and Zettle Terminal run PayPal's own software and do not host third-party applications. Zeal is deployed as software to supported Android payment terminals supplied through our acquirer partners, subject to compatibility for the model, firmware and acquirer route. For a Zettle by PayPal merchant that usually means adding or switching to a supported terminal, and we will tell you plainly whether your volume justifies it.

The card machine is the only thing every customer touches
A loyalty scheme lives or dies on how many people join it, and almost every scheme puts its hardest step first: asking a customer to do something extra while other people wait behind them at the Zettle by PayPal card machine.
Cards get left at home. Apps get installed once and never opened. QR codes need a phone in hand before payment rather than after. Every one of those mechanics loses most of the people it is offered to, and it loses them fastest at exactly the times a business is busiest.
The card machine has none of those problems. It is already in the customer's hands, it already has their attention for a few seconds, and using it requires nothing they have not already decided to do. It is the one moment in the whole visit that is genuinely universal.
So Zeal puts recognition and enrolment there. A returning customer sees their balance or reward while the payment completes. A new one can join in a couple of taps without giving an email address at the counter or downloading anything.
It also means the scheme does not depend on staff. Nobody has to remember the script, new starters need no training on it, and the experience is the same on a quiet Tuesday and a Saturday lunch rush.
For Zettle by PayPal independents and groups
The same software runs on one Zettle by PayPal terminal or across an estate of them. A single site gets the same mechanics a chain gets; a chain gets consistent reporting across sites because every location is running the same thing.
For a small business that usually matters more than the features. Most loyalty tools built for independents are simplified versions of enterprise products; this is the same product, sized to the counter it sits on.
What you can see afterwards
Who is new and who is returning, how often regulars come back, and which offers actually brought someone through the door again. Redemption is recorded at the terminal that issued the offer.
Because a redemption is a real transaction rather than a click, the numbers describe visits and takings. That is a different kind of information from social media reach, and it is the kind an owner can act on.
How it fits with Zettle by PayPal
Zettle by PayPal pricing suits businesses with modest card volume. Once takings grow, many merchants find a contracted acquirer with a supported Android terminal is both cheaper per transaction and able to run loyalty at the point of payment.
If you want to keep Zettle by PayPal, you can. Zeal does not require you to remove anything; it requires a supported terminal to run on. We will map the simplest route for your set-up before anything else is discussed.
What is loyalty on a Zettle by PayPal card machine?
Loyalty on a Zettle by PayPal card machine is a loyalty programme delivered by software running on the payment terminal itself, so customers are recognised and rewarded during the card transaction rather than through a separate card, app or QR code. With Zeal it is installed remotely to supported terminals and does not replace or alter the certified Zettle by PayPal payment application on the device.
What it will not do
It will not bring back a customer who did not enjoy the visit; loyalty rewards intent that already exists. It only reaches people who pay by card, so a cash-heavy business sees a smaller audience. And it builds at the speed of your trade: a quiet week is a quiet week for the programme too.
Zettle by PayPal loyalty questions
Will it work on my Zettle by PayPal card machine?
Not on a Zettle by PayPal reader, which is a closed platform. Zeal runs on supported Android terminals from our acquirer partners. Tell us your monthly card takings and we will say honestly whether it is worth changing anything.
Does the customer need to download an app?
No. Everything happens on the terminal during the payment. There is no app, no plastic card and no code to scan, which is the whole reason enrolment holds up instead of tailing off after the first month.
Can I add Zeal to my Zettle reader?
Zettle devices are closed, so loyalty cannot be installed on them. Zeal runs on supported Android terminals through our acquirer partners. We will tell you honestly whether that is worth it for your volume before you change anything.
Do I have to leave Zettle by PayPal?
Only if you want loyalty on the terminal itself, because Zettle by PayPal devices cannot host it. Many Zettle by PayPal merchants add a supported terminal from a partner acquirer for their main till and keep Zettle by PayPal as a backup or for markets and events.
Tell us you are on Zettle by PayPal, your rough monthly card takings and what else is on your counter, and we will tell you the simplest way to get loyalty into the payment.
Check my Zettle by PayPal terminalActivating Zeal on your card machines is a breeze
Choose your integration path
Connect host-to-host through our APIs or embed the on-terminal SDK. You get a sandbox, an integration guide and a reference implementation from day one.
Share your estate details
Send your merchant data file with TIDs, MIDs and terminal models. We prepare signed builds for each terminal type, with release notes and a rollback plan.
Pilot, then roll out
We prove the experience on a pilot cohort with hands-on support, then deploy remotely across your estate through your TMS. No hardware changes, no engineer visits.
Go live and activate
Your merchants get onboarding flows, training material and ready-made campaign templates for their first 90 days, and you track activation and usage by cohort.
This is how we’re revolutionising payments for our partners
See what Zeal delivers in the field. Our partners earn new revenue from their terminal estates, and their merchants get customer identification, loyalty and insight at the point of payment.
Merchants run Zeal on the card machines they already own.
More repeat visits for restaurants running loyalty on Zeal.
Customer profiles created for merchants using Zeal.
Don’t take our word for it
Zeal has flexible pricing to fit your business needs
Every agreement is shaped with your commercial team: revenue share on a joint go-to-market, or an annual licence across your MIDs.
Revenue share or annual licence
One integration, two commercial models. Partner on revenue share, where Zeal goes to market inside your merchant proposition and we share the value-added services revenue it creates. Or license annually, a fixed yearly fee that activates Zeal across the MIDs you nominate, with predictable costs from day one.
Enable your card machines to:
Identify customers and offer exclusive rewards
Offer zero-friction card-linked loyalty
Showcase merchant branding and collect feedback
Provide merchants with powerful analytics
Provide you with powerful customer behaviour insights
Want to learn more?
Frequently asked questions
Zeal transforms your card machines into intelligent customer engagement tools, enabling real-time customer insights, visibility over in-store customers, and frictionless loyalty programmes for your merchants.
By integrating Zeal, you open new revenue streams through value-added services, differentiate your offering in a competitive market, and significantly boost merchant retention.
Zeal enables your card machines to identify customers through their payment cards, recognising employees, airline passengers, or telecom customers at the point of sale. This allows you to offer tailored rewards linked to existing corporate benefits or loyalty programmes. With Zeal, you can strengthen strategic partnerships and drive higher transaction volumes for your merchants.
Yes. Zeal is fully compliant with PCI DSS, GDPR, and follows industry best practices for data protection and security. Our technology is designed with privacy and compliance at its core.
Zeal is also recognised by industry leaders such as Visa and Ingenico, and has trusted partners worldwide, reinforcing our commitment to innovation, reliability, and global scalability.
Choose your integration path (host-to-host API or on-terminal SDK), share your merchant data file with TIDs, MIDs and terminal models, and we handle the rest: signed builds, a supported pilot, then remote deployment across your estate through your TMS.
Zeal is card machine-agnostic and works with all devices, both Android models and older Linux-based ones. We support all manufacturers including Ingenico, PAX, Castles, Verifone, Aisino and others, allowing you to activate Zeal across all your existing hardware with ease.
Yes. Zeal is built for global scalability and there are active card machines with Zeal in multiple markets globally. With multilingual support, regional compliance, and flexible integration options, Zeal can be activated anywhere, enabling consistent value-added services for your merchants worldwide.










