HTTP 402 Has Been Empty for Thirty Years, Finally Welcoming x402: Allowing AI to Pay for Internet Access

01 Introduction: When AI Can’t Swipe a Credit Card, Which Link in the Internet Economy Gets Stuck? In June 2024, an AI agent named “AutoGPT-Trader” was launched on Reddit. Its task was simple: monitor Tesla’s stock price and send a technical analysis every 15 minutes. After 7 days, it was halted due to “inability to … Read more

Payment Revolution! The 27-Year-Old HTTP Code Reshaping Money Flow in the AI Era

“Your AI assistant wants to book a flight for you, costing $0.005? You don’t have to worry, it will pay automatically.” This is not a science fiction movie, but a reality that is happening. Imagine this: your AI assistant plans a perfect trip for you late at night, needing to call 5 different APIs to … Read more

From HTTP 402 to x402: Redefining Internet Payments

From HTTP 402 to x402: Redefining Internet Payments

Introduction: The HTTP Status Code Shelved for Decades In the long history of the internet, there has been a status code that has been “reserved” for decades—HTTP 402 Payment Required. Since the inception of the HTTP/1.1 standard, this status code has been like an “empty room” in the internet world, with a sign on the … Read more

x402: Reusing HTTP 402 for Internet-Native Stablecoin Payments

x402: Reusing HTTP 402 for Internet-Native Stablecoin Payments

Disclaimer: this is a report generated with my tool: https://github.com/DTeam-Top/tsw-cli. See it as an experiment not a formal research, 😄. Abstract This report studies x402, an open standard initiated by Coinbase that repurposes the HTTP 402 “Payment Required” status code to facilitate internet-native on-chain stablecoin payments. x402 aims to embed programmable, pay-per-use value exchange directly … Read more