It’s about to become more expensive for Claude Code subscribers to use Anthropic’s coding assistant with OpenClaw and other third-party tools. According to a customer email shared on Hacker News, ...

Why MARC? AI agents are already transacting at scale. $166M+ in x402 volume across chains (Dune Analytics, Q1 2026), and new agent payment standards like MCP, MPP, and A2A are emerging rapidly. But ...

The current x402 spec defines what a 402 response looks like when payment is required. It does not define any mechanism for communicating why payment is failing when a client repeatedly attempts and ...