Autonomous-agent payments — rails for machine-to-machine value exchange

Autonomous-agent payments — rails for machine-to-machine value exchange targets a $120B = $3.0T total digital transaction volume x 4% average processing/rails fee total addressable market with medium saturation and a year-over-year growth rate of 35%+ (growth in AI-agent-enabled transactions and developer adoption expected).

Key trends driving demand: Agent-wallet proliferation -- growing counts of autonomous wallets and agents generate demand for programmatic payments and consented billing.; Cloud & payments platform moves -- Stripe, Google, and cloud providers exposing machine payment APIs reduce integration friction and normalize machine payments.; Stablecoins & instant settlement -- USDC-like rails enable near-instant settlement across jurisdictions and make micropayments viable.; Account abstraction & smart wallets -- UX and security primitives let agents hold keys/permissions without burdensome custody models.; Micropayment tooling resurgence -- streaming and per-action billing primitives are re-emerging as low-fee L2 and off-chain solutions mature..