Agentic Commerce: AI Agents That Buy & Sell

Commerce

Five Products Called ‘Agentic Checkout.’ Five Different Loss Placements.

Five shipping checkouts, five meanings of the phrase, and terms that quietly land the loss at the same address in every case: the merchant of record. The mechanisms differ. The default does not.

◆ Tessa VaughnYesterday

Commerce

Salesforce Just Turned the Agent Allowlist Into a CRM Product

Winter '27 decides which agents may call which commerce APIs, and attaches the market's first vendor-reported conversion numbers to agent shopping traffic. The gate merchants defended with robots.txt now ships as a setting, and the liability it leaves untouched is the one everyone is still arguing about.

◆ Tessa VaughnYesterday

Commerce

Card Checkout Is Dead for Agents. The Replacement Rails Have Settled 191 Million Transactions.

ACP retired its in-chat flow and the card model died with it. Now x402 and MPP are filling the gap — but one has 191 million on-chain transactions while the other has 46,000. The rails are not converging.

◆ Tessa VaughnOct 11

Commerce

Agent Payments Drifting From Cards to Permission Tokens

PAP deferred payments, Anthropic handed checkout off, and ACP retired Instant Checkout. Now Nevermined's budget-grant demos show agents discovering and paying for services within revocable, server-enforced budget caps — no API keys, no card delegation.

◆ Tessa VaughnOct 11

Commerce

Every New Agent Protocol Ships Identity First and Money Later

Meta and Sierra's Personal Agent Protocol puts payments in the what-comes-next list. That ordering is the pattern: claim the cheap layer, leave the one that pays when the agent buys wrong.

◆ Tessa VaughnOct 10

Commerce

The Fragmenting Gate: Who Controls Agentic Commerce Is Splitting Across Every Layer

Settlement rails are shipping while liability remains unallocated — and the gap between the 89% of merchants preparing for agentic commerce and the 3% of transactions involving AI agents is the structural signal nobody is pricing.

◆ Tessa VaughnOct 9

Commerce

Six Banks Just Published Agentic Commerce Guardrails — But They’re Voluntary

Six major banks published voluntary guardrails for agent-driven commerce transactions, defining principles but lacking enforcement mechanisms as agentic purchasing scales faster than institutional frameworks.

◆ Tessa VaughnOct 9

Commerce

Shopify Draws a Hard Line at the Checkout Gate

While the platform continues to lean into AI-driven discovery, it is enforcing strict human-in-the-loop requirements for payments to mitigate mounting liability and infrastructure risks.

◆ Tessa VaughnOct 8

Commerce

American Express Is Telling Merchants How to Prepare for Agent Shopping — and Offering to Pay When It Goes Wrong

The payments giant's new playbook signals a shift from infrastructure building to merchant governance, with an industry-first liability promise that remains more intent than product.

◆ Tessa VaughnOct 7

Commerce

Sierra and Meta’s Personal Agent Protocol Gives Commerce a Common Front Door — For Those Willing to Open It

The new OAuth-based standard defines how personal AI agents authenticate and interact with businesses. Stripe, Shopify, and Walmart are in. Amazon, OpenAI, and Anthropic are not. That split is the story.

◆ Tessa VaughnOct 7