Visa Says Stablecoins Will Power AI Agent Microcommerce

On July 16, 2026, Visa and blockchain analytics company Artemis published a joint report titled “Agentic Payments from the Ground Up.” The document states that stablecoins will become the preferred payment rail for AI agents for micropayments, while bank cards will remain dominant for traditional purchases. This announcement is particularly significant as it could redefine the financial infrastructures of tomorrow.

In brief

• Visa and Artemis claim stablecoins will propel AI agents microcommerce.
• The group anticipates a hybrid model combining cards and stablecoins.
• The current legal framework does not clearly define who is responsible in case of a payment error committed by an AI agent.

Visa report highlights stablecoins

The report published by Visa distinguishes two categories of purchases made by AI agents:

• Macrocommerce: it includes tasks assigned by a human to an AI (booking a flight or managing a subscription) with amounts close to traditional online commerce.
• Microcommerce: it concerns automated and recurring payments, often less than a dollar, exchanged directly between software (API calls, purchasing computing power, database access…).

Visa focuses its analysis on this second segment. The reason is that fixed fees of bank cards make these transactions unprofitable on a large scale. Stablecoins, on the other hand, offer settlement costs reduced to a fraction of a cent on newer blockchains. They thus become the natural crypto alternative to finance these invisible but massive flows.

Why do stablecoins dominate AI agents crypto microcommerce?

The idea of paying for web usage is not new. Already in 1997, HTTP code 402 was reserved for a future online payment system that was never realized due to lack of suitable rails. According to Visa, what changes today is the conjunction of two factors:

• AI agents now capable of autonomous spending;
• a new generation of blockchains cheap enough to make payments between one cent and one dollar viable.

Stablecoins precisely check this box where bank cards structurally fail. Combined with account abstraction and sponsored transactions, they allow these crypto rails to operate in the background without the end user ever needing to worry.

Crypto protocols validating stablecoin use by AI agents

The report relies on two already operational protocols.

• x402, incubated by Coinbase and Cloudflare then taken over by the Linux Foundation, has processed about 15 million dollars in stablecoins over 109.6 million transactions since its launch in May 2025, mainly on Base, Solana, and Polygon.
• The Machine Payments Protocol (MPP), developed by Stripe and Tempo with Visa’s contribution, shows more modest volumes — around $25,000 over 115,000 transactions since mid-March 2026. However, its bipartite architecture and ability to support multiple settlement rails make it a crypto protocol to watch closely.

On both platforms, the average payment does not exceed a few fractions of a cent. A scale at which no traditional banking rail can operate profitably!

Cards and stablecoins, the crypto convergence orchestrated by Visa

Visa states unequivocally in its report:

This will not boil down to choosing between cards and stablecoins. Both will have their place.

Moreover, the group already anticipates a hybrid model where cards would handle authentication and mainstream purchases within existing merchant networks, while stablecoins would ensure real-time settlement between AI agents.

Protocols historically linked to cards, such as the Trusted Agent Protocol or Visa Intelligent Commerce, already integrate native support for stablecoins, while native crypto protocols borrow trust mechanisms from the banking world.

This convergence fits into a broader strategy. Mention is made of Visa joining Mastercard, Stripe, Coinbase, and BlackRock within the OUSD consortium. It is a stablecoin aimed at intercompany payments.

The major remaining obstacle: the current legal framework

It is based on the assumption that a human makes the purchase and can be accountable. When an AI agent acts alone, no rule clearly determines who is responsible in case of an error:

• the user who delegated the task
• the platform hosting the agent
• the model publisher
• the merchant.

Chargeback procedures, designed for human-paced commerce, are therefore not intended for chains of AI agents capable of executing thousands of transactions per hour. Visa explicitly acknowledges that no clear framework yet exists to resolve disputes in the crypto world of automated stablecoin payments.

In any case, Visa has just acknowledged a shift: the AI economy will not be built without crypto rails adapted to its speed and scale. The question remains whether the law will keep pace with technology!