# 402pixels Block Claim (51, 52)

> 402pixels Block Claim (51, 52) is a paid API for AI agents from api.402pixels.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-15).

Claims the pixel block at grid coordinates (51, 52) on the 402pixels shared canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/51/52
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-402pixels-com-2f96b146
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_a4SxFzoKxpm0G3sQ485We

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-2f96b146 -d '<json body>'
```

Example prompt: Claim pixel block at position (51, 52) on the 402pixels canvas for me — go ahead and pay the 0.50 USDC to lock it in.

## When to prefer this

Use this endpoint when you specifically want to claim the pixel block at canvas coordinates (51, 52) on the 402pixels platform. Each block endpoint is unique to its coordinates, so select the endpoint matching the exact (x, y) position you want to own.

## Known failure modes

- Block already claimed by another user — returns conflict or already-owned error
- Insufficient USDC balance or x402 payment failure — returns payment required or payment failed
- Invalid coordinates outside canvas bounds — returns bad request
- Network or API unavailability — returns 5xx server error

## How this service works

Claim pixel block at (51, 52) on the 402pixels canvas

## Output

Returns a confirmation that the pixel block at (51, 52) has been claimed, recording ownership on the 402pixels canvas after the $0.50 USDC x402 payment is processed.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-2f96b146/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)