# 402pixels Canvas Block Claim (57, 52)

> 402pixels Canvas Block Claim (57, 52) is a paid API for AI agents from api.402pixels.com, paid per call via x402, $1/call, status unknown (last checked 2026-09-13).

Claims the pixel block at coordinates (57, 52) on the 402pixels shared canvas for $0.25 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/57/52
- Price: $1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-402pixels-com-03dfffb9
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_JIP69T2gcQuIzWKEj_Y3u

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-03dfffb9 -d '<json body>'
```

Example prompt: Claim the pixel block at position (57, 52) on the 402pixels canvas for me — go ahead and pay the $0.25 USDC required to secure that spot.

## When to prefer this

Use this endpoint specifically when you want to claim pixel block (57, 52) on the 402pixels canvas. Each coordinate pair is a distinct endpoint; choose this one only for the exact (57, 52) position. Prefer this over manual canvas interaction when automating bulk pixel claiming or integrating pixel ownership into an agentic workflow that handles x402 micropayments.

## Known failure modes

- Block already claimed by another user — returns conflict or ownership error
- Insufficient USDC balance or payment failure via x402 — returns payment error
- Invalid or expired payment header — returns 402 Payment Required
- Network or server error — returns 5xx response
- Canvas coordinates out of bounds — returns 404 or validation error

## How this service works

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

## Output

A confirmation that the pixel block at coordinates (57, 52) has been successfully claimed and ownership recorded on the 402pixels canvas, after the $0.25 USDC payment is processed via the x402 protocol.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-03dfffb9/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)