HTTP 402 has been “reserved for future use” since 1997.
Two protocols now claim it. x402 routes every payment through Coinbase. L402 needs nobody's permission.
Interactive breakdown:
https://lab.sideband.pub/http-402/
npub1cl…upup9
2026-03-08 19:25:22 CET
Author Public Key
npub1clk6vc9xhjp8q5cws262wuf2eh4zuvwupft03hy4ttqqnm7e0jrq3upup9Published at
2026-03-08 19:25:22 CETEvent JSON
{
"id": "3cef6f79358ff0310db24f0e8d3a21424e10d11a685a3d1f71b719bcc65590c7",
"pubkey": "c7eda660a6bc8270530e82b4a7712acdea2e31dc0a56f8dc955ac009efd97c86",
"created_at": 1772994322,
"kind": 1,
"tags": [
[
"r",
"wss://relay.shawnyeager.com/"
],
[
"r",
"wss://relay.bitcoinpark.com/"
],
[
"r",
"wss://wot.nostr.party/"
],
[
"r",
"wss://relay.shawnyeager.com/chat"
],
[
"r",
"wss://premium.primal.net/"
],
[
"r",
"wss://relay.shawnyeager.com/inbox"
],
[
"r",
"wss://relay.shawnyeager.com/outbox"
],
[
"r",
"wss://relay.shawnyeager.com/private"
]
],
"content": "HTTP 402 has been “reserved for future use” since 1997.\n\nTwo protocols now claim it. x402 routes every payment through Coinbase. L402 needs nobody's permission.\n\nInteractive breakdown:\n\nhttps://lab.sideband.pub/http-402/",
"sig": "ac57967c8f148b6fe4e51d036611838f4459b74c2222ed9e60eb71eb1ede8bd00d673cee50a121dc53bec3fccf2148d95e1b43063ec8654162c6c97ad19077ca"
}