The AgentLedger blog
Agentic commerce, explained — protocols, payments and control.
Guides and news on AP2, x402, ACP and the payment networks racing to serve AI agents — written for the people responsible when an agent spends money.
x402 & micropayments · August 10, 2026
You Paid $0.05. It Was Free Two Doors Down.
We bought a $0.05 x402 endpoint and diffed it against the same vendor's free one: four fields were byte-identical, and its one substantial field was a passthrough of Stellar Horizon's public path finding. The x402 quote never says what you're getting — so we taught our gate to measure it.
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x402 & micropayments · August 5, 2026
HTTP Said No. The Chain Said Yes.
Our first real-money x402 payment on Stellar mainnet came with a $0.02 phantom charge: HTTP said the payment failed, the chain settled it 30 seconds later. How a governed agent ledger caught the race — and the four bugs one incident report surfaced.
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Agentic commerce · July 23, 2026
How to Give Your AI Agent a Wallet — and Keep It Governed
How to give an AI agent its own wallet with Privy — server wallets, the policy engine, gasless USDC — and the governance layer (aggregate budgets, approvals, a unified audit trail) that a wallet alone can't provide.
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x402 & micropayments · July 21, 2026
x402 Protocol: The Complete Developer Guide
A developer's guide to x402, the HTTP 402 payment protocol for AI agents: the request/response flow and headers, the exact scheme with EIP-3009 gasless USDC transfers, facilitators, Base/Solana/Stellar support, the Linux Foundation's x402 Foundation, and how x402 settles AP2 mandates.
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AP2 & mandates · July 11, 2026
AP2 Protocol Explained: Google's Agent Payments Protocol
A developer's guide to AP2, the Agent Payments Protocol: how mandates prove an AI agent is authorized to pay, the v0.2 Checkout & Payment Mandate model, the five roles, x402 settlement, and how AP2 fits with ACP and Google's UCP.
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Agentic commerce · Updated July 28, 2026
Agentic Commerce News — July 2026 Roundup
What happened in agentic commerce and agent payments through late July 2026: the UK Treasury consultation on agentic payment liability, the EU AI Act disclosure rules, the x402 Foundation launch, the first verified volume figures, and the guardrails card networks and PSPs actually shipped.
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Agentic commerce · July 9, 2026
What is Agentic Commerce? The Complete 2026 Guide
Agentic commerce explained: how AI agents discover, decide and pay autonomously — the protocols (AP2, x402, ACP), the payment networks, the risks, and how to keep agent spending under control.
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