# 402pixels Block Claim (52, 57)

> 402pixels Block Claim (52, 57) is a paid API for AI agents from api.402pixels.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-10-18).

Claims the pixel block at coordinates (52, 57) on the 402pixels shared canvas for $0.5 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/52/57?utm_source=zero.xyz
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-18
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-402pixels-com-0611a65e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ItlQtcNDp0PYfd6_V41vu

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

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability api-402pixels-com-0611a65e -d '<json body>'
```

Example prompt: Claim the pixel block at position (52, 57) on the 402pixels canvas — go ahead and pay the 0.5 USDC to secure it.

## When to prefer this

Use this endpoint when you specifically want to claim the pixel block at grid coordinates (52, 57) on the 402pixels canvas. Each block endpoint is unique to its coordinates; choose this one only when targeting that exact position.

## Known failure modes

- Block already claimed by another user — returns conflict or ownership error
- Insufficient USDC payment or payment failure via x402 protocol
- Invalid or out-of-bounds coordinates — though these are hardcoded in the URL
- Network or server error returning 500
- Payment authorization timeout

## How this service works

Claim pixel block at (52, 57) on the 402pixels canvas

## Output

A confirmation that the pixel block at coordinates (52, 57) has been successfully claimed, including ownership details and canvas position metadata.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-0611a65e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.402pixels.com](https://www.zero.xyz/host/api.402pixels.com/llms.txt)