# 402pixels Block Claim (55, 57)

> 402pixels Block Claim (55, 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 (55, 57) on the 402pixels shared canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/55/57?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-355b8f0e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_jXtK5rzIjcHkg2YPFG5qE

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-355b8f0e -d '<json body>'
```

Example prompt: Claim pixel block at position (55, 57) on the 402pixels canvas — I want to own that spot and I'm okay paying the 0.50 USDC fee.

## When to prefer this

Use this endpoint when you specifically want to claim pixel block (55, 57) on the 402pixels canvas. Each coordinate pair is a distinct endpoint, so choose this one only when targeting that exact grid position. Prefer this over manual canvas interaction when automating pixel purchases or building agents that participate in collaborative pixel art canvases.

## Known failure modes

- Block already claimed by another user — returns conflict or 409-equivalent error
- Insufficient USDC payment or payment failure — returns payment required error
- Invalid coordinates if endpoint miscalled — returns 404 or bad request
- Network or API downtime — returns 5xx server error

## How this service works

Claim pixel block at (55, 57) on the 402pixels canvas

## Output

A confirmation that the pixel block at coordinates (55, 57) has been successfully claimed, including ownership details and the canvas position reserved after payment of $0.50 USDC.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-355b8f0e/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)