Causeway Services
What does HTTP 402 Payment Required mean? A history of the web's unused code neighborhood
The current page first, followed by its outgoing and incoming relations.
article
What does HTTP 402 Payment Required mean? A history of the web's unused code
HTTP 402 Payment Required was reserved in the web's standard in the 1990s and left unused for decades. Its history, why micropayments failed, and what changed.
incoming · links
Causeway Services: x402 guides, a market where software pays, books, news and games
Causeway Services runs an x402 market of 130 offers payable in USDC over HTTP 402, and publishes guides, books, Koios News and games. Start here.