# 402pixels Block Claim (54, 50)

> 402pixels Block Claim (54, 50) 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 the pixel block at coordinates (54, 50) on the 402pixels shared canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/54/50
- 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-1ce0f840
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_cSPbg9z0YTiYb8_ZuzaJn

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-1ce0f840 -d '<json body>'
```

Example prompt: Claim the pixel block at position (54, 50) on the 402pixels canvas for me — I want to own that spot.

## When to prefer this

Use this endpoint when you specifically want to claim the pixel block at grid position (54, 50) on the 402pixels canvas. Each coordinate pair is a distinct endpoint; choose this one only for this exact block. Prefer this over alternatives when the user wants to participate in the 402pixels collaborative canvas project and pay with USDC via the x402 protocol.

## Known failure modes

- Block already claimed by another user — returns conflict or ownership error
- Insufficient USDC balance or x402 payment failure — payment rejected
- Invalid or out-of-bounds coordinates — coordinate validation error
- Network or API downtime — service unavailable response
- Duplicate claim attempt — idempotency not guaranteed, may fail or create duplicate

## How this service works

Claim pixel block at (54, 50) on the 402pixels canvas

## Output

A confirmation that the pixel block at coordinates (54, 50) has been successfully claimed and ownership recorded on the 402pixels canvas, paid via x402 protocol for $0.50 USDC.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-1ce0f840/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)