# 402pixels Block Claim (52, 52)

> 402pixels Block Claim (52, 52) 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 and purchases the pixel block at coordinates (52, 52) on the 402pixels shared canvas for $0.50 USDC.

## Facts

- Endpoint: POST https://api.402pixels.com/block/52/52?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-1efa3320
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Axy5PGHMbjVmbogYV_U0D

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-1efa3320 -d '<json body>'
```

Example prompt: Claim the pixel block at position (52, 52) on the 402pixels canvas — go ahead and pay the $0.50 USDC to reserve it.

## When to prefer this

Use this endpoint specifically when you want to claim pixel block (52, 52) on the 402pixels canvas and are prepared to pay $0.50 USDC via x402 protocol. Each coordinate pair is a distinct endpoint; use the matching sibling endpoint for any other grid position.

## Known failure modes

- Block already claimed by another user — returns conflict error
- Insufficient USDC balance or payment failure — returns payment error
- Invalid x402 payment header — returns 402 Payment Required
- Network or API downtime — returns 5xx server error

## How this service works

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

## Output

A confirmation that the pixel block at coordinates (52, 52) has been successfully claimed and paid for, along with ownership details for that canvas position.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-1efa3320/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)