# 402pixels Block Claim (51, 53)

> 402pixels Block Claim (51, 53) is a paid API for AI agents from api.402pixels.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-15).

Claims the pixel block at coordinates (51, 53) on the 402pixels shared canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/51/53
- 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-b8b1ff98
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_EAplRSBNhg2xbqzIvxCRZ

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-b8b1ff98 -d '<json body>'
```

Example prompt: Claim pixel block at position (51, 53) on the 402pixels canvas for me — I want to own that specific spot.

## When to prefer this

Use this endpoint specifically when you want to claim the pixel block at exact coordinates (51, 53) on the 402pixels canvas. Each coordinate pair maps to a unique endpoint; use sibling endpoints for different canvas positions. Best suited for agents automating pixel real estate acquisition on the 402pixels platform via the x402 micropayment protocol.

## Known failure modes

- Block already claimed by another user — returns conflict or already-owned error
- Insufficient USDC payment or payment failure — returns 402 Payment Required
- Invalid or missing x402 payment header — returns authentication/payment error
- Network or server error — returns 500 or timeout
- Coordinates out of canvas bounds — returns 404 or bad request

## How this service works

Claim pixel block at (51, 53) on the 402pixels canvas

## Output

A confirmation that the pixel block at coordinates (51, 53) has been claimed and is now owned by the caller, following a $0.50 USDC payment processed via the x402 protocol.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-b8b1ff98/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)