# 402pixels Block Claim (54, 57)

> 402pixels Block Claim (54, 57) is a paid API for AI agents from api.402pixels.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-10-20).

Claims ownership of the pixel block at coordinates (54, 57) on the 402pixels shared canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/54/57?utm_source=zero.xyz
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-20
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-402pixels-com-55bad22a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_njho9QtWO8E1hN2IN784D

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-55bad22a -d '<json body>'
```

Example prompt: Claim block at coordinates 54, 57 on the 402pixels canvas for me — pay the 0.50 USDC fee to lock in my ownership of that spot.

## When to prefer this

Use this endpoint when you specifically want to claim pixel block (54, 57) on the 402pixels canvas. Each block has unique coordinates, so use the sibling endpoints for other specific coordinate pairs. Prefer this over other canvas services when using the x402 micropayment protocol with USDC on the 402pixels platform.

## Known failure modes

- Block already claimed by another user — returns conflict or already-owned error
- Insufficient USDC balance or failed x402 payment — returns payment required or payment failed
- Invalid coordinates if path is malformed — returns 404 or bad request
- Network or canvas service unavailability — returns 503 or timeout

## How this service works

Claim pixel block at (54, 57) on the 402pixels canvas

## Output

A confirmation that the pixel block at (54, 57) has been successfully claimed, including ownership details and the transaction result after the $0.50 USDC payment is processed.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-55bad22a/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)