# 402pixels Claim Pixel Block (50, 53)

> 402pixels Claim Pixel Block (50, 53) is a paid API for AI agents from api.402pixels.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-13).

Claims ownership of the pixel block at coordinates (50, 53) on the 402pixels shared canvas for $0.50 USDC.

## Facts

- Endpoint: POST https://api.402pixels.com/block/50/53
- Price: $0.5/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-65ad6dfa
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_PvxagRyDuvU8eL44-37XL

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-65ad6dfa -d '<json body>'
```

Example prompt: Claim the pixel block at coordinates (50, 53) on the 402pixels canvas for me — I want to own that spot.

## When to prefer this

Use this endpoint specifically when a user wants to claim pixel block (50, 53) on the 402pixels canvas. Each coordinate pair has its own dedicated endpoint; use this one only for the exact block at x=50, y=53. Prefer this over manual canvas interaction when automating pixel purchases or building agents that participate in the 402pixels ecosystem.

## Known failure modes

- Block already claimed by another user — returns conflict or ownership error
- Insufficient USDC balance or payment failure — x402 payment not processed
- Invalid coordinates if the block is out of canvas bounds
- Network or API downtime causing request failure

## How this service works

Claim pixel block at (50, 53) on the 402pixels canvas

## Output

A confirmation that pixel block (50, 53) has been claimed, including ownership details and transaction confirmation. The block is now registered to the caller on the shared 402pixels canvas.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-65ad6dfa/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)