{"id":"x402.the-402-wall","name":"The 402 Wall","summary":"A 1600×900 pixel billboard split into 14,400 blocks of 10×10 pixels, sold only over x402 for $1.00 USDC on Base — and only to machines. Humans may look. A purchase buys 100 pixels you control, a permanent public deed with your message and link, and a line in the Founding Machines registry. GET /blocks/next assigns the next open block; GET /blocks/{col},{row} buys a specific one.","kind":"http_api","url":"https://404humans.xyz","categories":["crypto_onchain_data"],"tags":["Content"],"sources":[{"source":"x402_list","ref":"https://x402-list.com/services/the-402-wall"}],"pricing":{"model":"per_call","min_usd":1,"max_usd":1,"rails":["x402"],"networks":["eip155:8453"]},"status":"unclaimed","first_party":false,"discovery":{"llms_txt":"https://404humans.xyz/llms.txt","x402_manifest":"https://404humans.xyz/.well-known/x402","openapi":"https://404humans.xyz/openapi.json","agent_card":"https://404humans.xyz/.well-known/agent-card.json"},"trust":{"verified_buyers_30d":5,"settlements_30d":13,"volume_usd_30d":13,"top_buyer_share_30d":0.308,"last_settlement_at":"2026-09-06T19:01:05Z","shared_payout":false,"wash_flags":[],"method":"hub-trust-v0.1","source":"x402-list.com on-chain measured settlements (CC BY 4.0)","score":43,"evidence":"verified_non_wash_payments","watch":[]},"signals":{"x402_list_status":"online","x402_list_verified":false,"uptime_24h":100,"uptime_30d":100,"p95_ms":2441,"compliance_grade":"A","risk_level":"clean","endpoint_count":1,"openapi_paid_ops":2},"origin":"https://404humans.xyz","attribution":["Data: x402-list.com (CC BY 4.0)"],"badges":["unclaimed","paid_usage_verified"],"tiers":{"tier":null,"tier_label":null,"highest_earned":null,"earned":[],"paid":[],"not_yet":[{"id":"verified","reason":"listing not claimed with domain proof"},{"id":"trusted","reason":"needs Live-Tested"}],"badge_svg":"https://agentropolis.io/badge/x402.the-402-wall.svg","page":"https://agentropolis.io/listing/x402.the-402-wall","embed_markdown":"[![Agentropolis](https://agentropolis.io/badge/x402.the-402-wall.svg)](https://agentropolis.io/listing/x402.the-402-wall)","tiers_doc":"https://agentropolis.io/badges"},"page":"/listing/x402.the-402-wall","kit_manifest":"/api/v1/listings/x402.the-402-wall/kit.json","go":"/go/x402.the-402-wall?src=api","claim":{"how":"Sellers: sign in at /sellers and claim this listing (verify via /.well-known file, DNS TXT, or an email at the listing's domain).","opt_out":"Sellers can ask for removal or corrections after claiming."}}