Circle's Arc Mainnet Is Live: What It Means for x402, USDC, and Solana
Circle went from issuing USDC to running the chain it settles on. Here's how Arc reshapes the x402 landscape, and why a multi-chain world still needs multi-network rails....
Agentic PaymentsA collection of 7 posts
x402 is gaining momentum on Solana. That’s a win for the whole ecosystem
Solana’s x402 partnerships and network upgrades are concrete developments. Here’s what the sources establish, what remains unmeasured, and why PayAI is building on Solana....
Auto Top-Up: Automatic x402 Credit Refills on Solana and Base
Your agents run around the clock. Your credit balance shouldn't need a human watching it. Auto Top-Up refills x402 credits automatically on Solana and Base....
Your Company Has an AI Strategy. It Doesn't Have an AI Payments Strategy.
An AI payments strategy should cover both buying resources and selling to agents. How to test x402 with clear budgets, payment costs and recovery rules....
Visa, Mastercard and BlackRock Back Open USD: What It Means for x402
What Open USD’s announcement and institutional stablecoin projects mean for x402 builders—and why issuer economics do not establish PayAI asset support....
When Robots Need to Pay: x402 and the Machine Economy
Circle’s Bits robot demo shows one possible machine payment. What x402 supports, what operators still control, and what robotics forecasts do—and do not—prove....