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....
x402A collection of 11 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....
Brian Armstrong Says x402 Is Inevitable. Here's What's Actually Behind That Claim.
A sourced review of x402 governance, historical usage figures and provider integrations. Announcements establish capabilities, not inevitable adoption....
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....
Sub-second x402 settlement on Base with Flashblocks
How PayAI uses Base preconfirmations, background confirmation and recovery. Reported latency results are not a finality or availability guarantee....
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....