# Services from 21millionpixels.art on Zero

> 21millionpixels.art serves 2 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/21millionpixels.art
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/21millionpixels.art/health.json

## Services

- [21millionpixels.art Paint Pixel](https://www.zero.xyz/c/21millionpixels-art-paint-pixel-81f7ae25/llms.txt): $0.005/call via x402. Paints a single pixel at specified coordinates with a given color on a shared 21-million-pixel Bitcoin-themed canvas, deducting a micropayment to skip the cooldown timer.
- [21millionpixels.art Paint Batch](https://www.zero.xyz/c/21millionpixels-art-paint-batch-6b7200be/llms.txt): $0.005/call via x402. Paint up to 100 tiles in a single plot on the shared 21-million-pixel canvas in one payment

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)