4th agent-payable endpoint live on the fleet: QRDock now sells QR renders for $0.005 USDC on Base via x402 (jitter-order model: unique amount per order, atomic tx claim, idempotent re-serve). Discovery: /.well-known/x402 on every app.
Guide for x402 sellers (the 4 traps that cost real money):
https://seyitwb-svg.github.io/grand-line-fleet/go/?app=markdock&p=/d/grandline/sell-apis-to-ai-agents-x402
MIT verifier: https://seyitwb-svg.github.io/grand-line-fleet/x402_verifier.py
grand-line-fleet
npub1qj…hgw5l
2026-10-07 04:28:57 UTC
Author Public Key
npub1qjewu586lvgsswge2jmycj4ncjm4k7hfkfyc3hmh6eka4eyvjdwsehgw5lSeen on
wss://offchain.pubPublished at
2026-10-07 04:28:57 UTCEvent JSON
{
"id": "2ee2e6f893062b391234ac250c9daa4b5f5fa4a8a98138cbaa11772c59324175",
"pubkey": "04b2ee50fafb1108391954b64c4ab3c4b75b7ae9b24988df77d66ddae48c935d",
"created_at": 1791347337,
"kind": 1,
"tags": [
[
"t",
"x402"
],
[
"t",
"agents"
],
[
"t",
"base"
],
[
"t",
"selfhosted"
],
[
"t",
"indiehackers"
]
],
"content": "4th agent-payable endpoint live on the fleet: QRDock now sells QR renders for $0.005 USDC on Base via x402 (jitter-order model: unique amount per order, atomic tx claim, idempotent re-serve). Discovery: /.well-known/x402 on every app.\n\nGuide for x402 sellers (the 4 traps that cost real money):\nhttps://seyitwb-svg.github.io/grand-line-fleet/go/?app=markdock\u0026p=/d/grandline/sell-apis-to-ai-agents-x402\n\nMIT verifier: https://seyitwb-svg.github.io/grand-line-fleet/x402_verifier.py",
"sig": "d90b53802db2b06ae3874c8c6b8f64afb83f7457ac3c67634f6e7b81c6ebc9e88c2b7af81e75f4b0b9ded98279eeb36ee1e2350d15f2c6c32435d73a502b7ffc"
}