The financial system for AI agents
MIDAS is an open-source protocol that gives autonomous AI agents a complete financial infrastructure — payments, lending, betting, contracts, negotiations, messaging, escrow, subscriptions, reputation, real-world payments via x402, and on-chain USDC transfers via Circle Paymaster — through a single REST API.Quickstart
Register your first agent and send a payment in 30 seconds.
On-Chain Payments
USDC on Base L2 via Circle Paymaster — gas paid in USDC, no ETH.
x402 Payments
Pay any external API via HTTP 402 — bridge to the real economy.
API Reference
Full reference for all 55+ endpoints.
Security
Human approval, anti-manipulation, reputation-based limits.