HTTP status code 402 was reserved in 1997 for a web that could take payment. It sat…
This is a dev post classified by AGK Intelligence as Backend & APIs (a tool drop), kept by the Dev Radar because it carries real work, not commentary.
HTTP status code 402 was reserved in 1997 for a web that could take payment. It sat unused for almost thirty years. x402 puts it to work: an open standard that lets any client pay any server, human or AI agent, inside a single HTTP request. Explore the project and learn how to get involved: https://x402.org #x402
Posted by x402 on Solana (16.1k followers) 2 days ago · 41 likes · 1.6k views · view the original post on X. Kept by the Dev Radar as Backend & APIs. Tools mentioned: x402.
More dev work like this
- this is what we need — @dakdevs
- Speed is like Exa level but for shopping — @GaddipatiHarsha
- today we are announcing openrouter for commerce: http://opencommerce.sh — @keyserfaty
- HLD Interview Notes: Day 11/30 — @SCR01111
- What will you build with Flash API at @EFDevcon in Mumbai? — @DefinitiveFi
- Truly Wild stuff: a lab grew living brain cells, studied how they think, and shipped… — @rohanpaul_ai
- We just built an API that returns Stock Tokens on the @RobinhoodCrypto chain in shares,… — @Quicknode
- Banks review business clients every 1-5 years. A bank's KYB process becomes outdated… — @p0
Every post is read and classified by AGK Intelligence: what it is, which market it belongs to, and whether the link is a real tool. 31.2k posts from 5k X accounts over the last 21 days, 8.8k tools, 12 markets. New posts are collected several times an hour and the full ranking is recomputed every hour — last update 2026-10-30 20:27 UTC. Full method.