Payment gateway for AI agents. Multi-chain L2 support (Base, Arbitrum, Optimism, Polygon). Spending policies, tiered signing, dashboard.
open-source typescript mongodb mcp nextjs ethereum payments polygon base ai-agents l2 optimism walletconnect multi-chain usdc eip-712 arbitrum model-context-protocol x402 spending-policies
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Updated
Mar 9, 2026 - TypeScript