# 402pixels Block Claim (51, 50)

> 402pixels Block Claim (51, 50) is a paid API for AI agents from api.402pixels.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-10-19).

Claims the pixel block at canvas coordinates (51, 50) on the 402pixels collaborative pixel canvas for $0.50 USDC.

## Facts

- Endpoint: POST https://api.402pixels.com/block/51/50?utm_source=zero.xyz
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-402pixels-com-5c22dddd
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_kA-3Xt9qkUKHK3jZZGUas

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-5c22dddd -d '<json body>'
```

Example prompt: Claim the pixel block at position (51, 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 pixel block (51, 50) on the 402pixels canvas. Each coordinate pair has its own dedicated endpoint; use the sibling endpoints for other canvas positions. Choose this over alternatives when the user explicitly wants to own a piece of the 402pixels shared canvas at this exact location using on-chain micropayment via x402/USDC.

## Known failure modes

- Block already claimed — coordinates (51, 50) may already be owned by another user
- Payment failure — insufficient USDC balance or x402 protocol error
- Invalid coordinates — though these are hardcoded into the endpoint path
- Network or server error returning 5xx
- Payment not processed — x402 header missing or malformed

## How this service works

Claim pixel block at (51, 50) on the 402pixels canvas

## Output

Returns a confirmation that the pixel block at coordinates (51, 50) has been claimed, along with ownership details. The $0.50 USDC payment is processed via the x402 payment protocol as part of the request.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-5c22dddd/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)