Programmable Liquidity
Micropayments executed at the speed of the HTTP handshake. No buffers, no delays, no credit lines. Built for high-frequency infrastructure.
Read Docsarrow_outwardStart building immediately with our curated APIs. No signup required — just pay per call with USDC on Base Sepolia.
Micropayments executed at the speed of the HTTP handshake. No buffers, no delays, no credit lines. Built for high-frequency infrastructure.
Read Docsarrow_outwardDesigned specifically for AI-to-AI transactions where static credentials represent a massive security risk. Identity is liquidity.
View Use Casesarrow_outwardEliminate database leakage. By removing long-lived API keys, you remove the #1 vector for data breaches. Hardware-grade security.
Get Startedarrow_outwardBase, Ethereum, Polygon, Arbitrum, and Base Sepolia live.
USDC, USDT, DAI with automatic decimal handling.
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The x402 payment header encapsulates EIP-712 signed authorization directly into the HTTP request, enabling sub-millisecond validation by the gateway node.