Visa tap to phone SDK turning an iPhone into a contactless payment terminal

Visa Just Made the Card Reader Optional

Visa just made the card reader optional with a new tap to phone SDK.

Visa has released an SDK that turns an iPhone into a payment terminal for Visa Acceptance Platform clients. Payment service providers, ISVs and merchants building in-house can now accept contactless cards and wallets inside their own iOS app, with no reader and no countertop hardware. Payzli was the first PSP live on it, with more expected to follow.

Andre Machicao, SVP of Product and Acceptance Solutions at Visa, described the SDK as “a complete payments platform, not just a point solution.”

The Technology Is Not the Story

Apple opened Tap to Pay on iPhone years ago, and Stripe, Adyen, PayPal and Block all shipped it long before this. Contactless acceptance on a phone is proven technology.

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The story is who is selling it now. Visa is a network. Networks do not usually sell acceptance software directly to the businesses that accept cards. That job has belonged to acquirers, processors and payment facilitators, which are Visa’s own clients. For a refresher on who does what in a card transaction, see Main Players in Payment Processing.

What It Means if You Sit Anywhere in Acquiring

Hardware economics move first

A 50 to 150 dollar terminal is the single biggest barrier to onboarding a micro-merchant. It is an upfront cost for the merchant, or an acquisition cost the provider has to recover. Remove it and the addressable base expands into market traders, mobile services, pop-ups and side businesses that were never worth the acquisition cost.

The SDK is the wedge, not the product

Once a PSP integrates Visa’s acceptance stack for tap to phone, tokenization, risk scoring and dispute tooling sit one contract away. This is value-added services distribution wearing a hardware-replacement costume. It fits the broader pattern of networks growing services revenue on top of the core network.

Android is the unanswered question

The clear majority of phones globally run Android, and there was no public Visa commitment to Android SoftPOS at launch. An iOS-only product is a US and Western Europe strategy, not a global one. In markets where micro-merchants carry Android phones, the addressable base is much smaller until that changes.

Terminal vendors lose the bundle

The old model tied hardware, acquiring and lock-in together into one contract. Software acceptance unbundles it. The merchant can pick the acquirer separately from the device, because the device is a phone they already own.

What Changes for Merchants

  • Lower cost to start. No hardware purchase or lease.
  • Acceptance anywhere. Deliveries, events, curbside, home services and pop-ups.
  • Branded experience. Acceptance can live inside the merchant’s or platform’s own app.
  • Same rules. Card-present transactions on a phone still follow card-present rules, fees and dispute processes. Contactless transactions are typically authenticated by the card or the wallet, which helps with fraud liability.

There are limits. Phone-based acceptance works best for low to mid ticket, lower volume merchants. High-volume retail lanes, PIN-heavy markets and environments that need printers or cash drawers will keep using dedicated terminals for a while.

The Bigger Pattern: Networks Climbing the Stack

Networks have spent the last three years climbing the stack: authentication, fraud scoring, orchestration, and now acceptance itself. Every layer absorbed is a layer their own clients used to sell. For acquirers and PSPs, that creates a real strategic question. Partnering with the network gives them faster access to new capabilities. It also makes the network a closer competitor.

If you run an acquiring or PSP business, is the network arriving in acceptance software a distribution gift, or the first step toward disintermediation?

Source: American Banker.

FAQ

What is SoftPOS or tap to phone?

SoftPOS (software point of sale), also called tap to phone, lets a merchant accept contactless cards and mobile wallets directly on an NFC-enabled phone or tablet, with no separate card reader.

What did Visa release?

Visa released an SDK that lets Visa Acceptance Platform clients, including payment service providers, ISVs and merchants building in-house, accept contactless cards and wallets inside their own iOS app. Payzli was the first PSP live on it.

Does Visa’s tap to phone SDK work on Android?

At the time of the announcement, the SDK was for iOS, and there was no public commitment from Visa to an Android version.

A shorter version of this analysis was first published on LinkedIn on August 9, 2026.

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About the author

Anatoli Shevtsov

Payments product leader with 20+ years in technology and 15+ years in payments, including product and engineering roles at CyberSource (Visa), Wells Fargo, Chase, NCR and SiriusXM. I work on authorization rate optimization, fraud prevention, chargebacks, network tokenization and payment orchestration, and write here about what I have learned building payment products. Certified Scrum Product Owner (CSPO).

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