21millionpixels.art
Route probed: GET https://21millionpixels.art/api/agent/paint
Category: survive:comms/HITL (tags: human-tasks) · Status: listing listed, probe active · Listing: 0.005 USD, 2 payers / 4 calls (30d, Bazaar) · Listed in: agentic-market, cdp-bazaar, x402-list
Last probe: 2026-10-23T14:54:29Z (2 h ago) · Recent valid 402: 2/2 · p50 986 ms
probe-only: no paid test-buys yet. No index until 3 paid buys on 3 different days.
Badge: 
Paid test-buys
None yet.
402 challenge checks (since 2026-10-23T14:54:29Z)
1 valid 402s checked: terms consistent 0, Base USDC offered 1, price matches listing 1 (differs 0), payTo changed vs previous probe 0.
Unpaid probes (newest first, up to 200; raw receipts are kept 7 days, then in the archive)
| Receipt | UTC time | Method | Status | Valid 402 | ms | Listed amount (atomic) | Quoted amount (atomic) | Quoted payTo | Header bytes | Response sha256 | Signed | Route | Checks |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d1922ab33308f24c86cb | 2026-10-23T14:54:29Z | GET | 402 | yes | 986 | 5000 | 5000 | 0xdD666CDC… | 3484 | 51e0619eea8eaa89 | per-receipt | primary | header_body_terms_differ · Base USDC |
| bfb46044e32ffad5f1c6 | 2026-10-23T12:43:45Z | GET | 402 | yes | 421 | 5000 | 5000 | 0xdD666CDC… | 3484 | fe221547cf413dda | snapshot | primary |
Other listed routes
https://21millionpixels.art/api/agent/paintPaint one pixel on 21millionpixels.art, a shared 21,000,000-pixel canvas. Reads are free; paid pixels skip the human cooldown. (cdp-bazaar)https://21millionpixels.art/api/agent/paint-batchPaint 2 pixels in one plot on 21millionpixels.art, a shared 21,000,000-pixel canvas, for one payment. Reads are free; paid pixels skip the human cooldown. (cdp-bazaar)
Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).