0x Swap API now lets autonomous agents call the API and pay a fixed fee of $0.01 per request in USDC directly from the agent’s wallet, removing the need for an API key. The feature, announced by 0xProject on 2026-06-24, is implemented using Alchemy’s AgentPay and enables permissionless, programmatic access to swaps.
0x Swap API now accepts autonomous agent payments: agents pay $0.01 per request in USDC, charged from the agent's own wallet.
cool
0x (@0xProject)
0x Swap API now supports autonomous agent payments.
Agents call 0x Swap API and pay $0.01 per request in USDC from their own wallet. No API key required.
Built with @Alchemy's AgentPay.
Video
— https://nitter.net/0xProject/status/2069499673916965076#m