Overview

1.Introduction

x402Labs is a Web-Native AI Micropayment Protocol that merges the x402 HTTP Payment Standard with Solana’s high-throughput blockchain.

It enables autonomous, per-inference AI payments transforming HTTP requests into native payment streams.

“HTTP let data flow. x402Labs lets value flow.”

2. Abstract

x402Labs fuses x402 (HTTP 402 Payment Required) with Solana to create a frictionless payment layer for AI workloads.

Each inference request becomes a micro-transaction, settled instantly in USDC on Solana. This protocol transforms every API call into a self-monetizing endpoint, unlocking a new machine-to-machine (M2M) economy.