MCP
Model Context Protocol - Anthropic's open standard for connecting AI models to tools. x402 can be layered on top when an MCP server gates calls behind payment, but this is an emerging integration pattern and is not part of the MCP spec itself.
Related terms
- Agentic Commerce - Transactions where one or both parties are autonomous software agents, typically AI agents buying or selling API access, data, or services w
Recent stories
BUILD
- x402station ships $1 Verified Badge - autonomous M2M trust layer flags 17% of x402 endpoints as non-functional · earezki.com
- Stripe Sessions 2026 ships Link Agent Wallet - x402 sits inside the 288-product agentic commerce stack · stripe.com
- Parallel Web Systems adds x402 to Search, Extract, and Deep Research APIs - $0.01 per call · docs.parallel.ai
- ChainAnalyzer ships x402 USDC payments on Base + Solana mainnet for its MCP server · dev.to
- DGrid AI adds x402 micropayments on BNB Chain - pay-per-call AI inference settled in USD1 within a single API request · cryptonews.net