# 402pixels Claim Block (57, 57)

> 402pixels Claim Block (57, 57) 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 grid coordinates (57, 57) on the 402pixels shared canvas for $0.50 USDC.

## Facts

- Endpoint: POST https://api.402pixels.com/block/57/57
- 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-4f73df79
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_PxnsDECIEYcB1m10rafSW

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-4f73df79 -d '<json body>'
```

Example prompt: Claim the pixel block at position (57, 57) on the 402pixels canvas — pay the $0.50 USDC fee to secure that spot for me.

## When to prefer this

Use this endpoint specifically when you need to claim the pixel block at grid position (57, 57) on the 402pixels canvas. Choose sibling endpoints for other coordinate positions. This is ideal for agents participating in collaborative pixel canvas projects that use x402 micropayments on-chain.

## Known failure modes

- Block already claimed by another user — returns conflict or ownership error
- Insufficient USDC balance or payment failure — x402 payment rejected
- Invalid coordinates if path is malformed — 404 or bad request
- Network timeout during payment settlement
- Canvas may be full or block unavailable

## How this service works

Claim pixel block at (57, 57) on the 402pixels canvas

## Output

A confirmation that block (57, 57) on the 402pixels canvas has been claimed, including ownership details and transaction confirmation via the x402 USDC payment protocol.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-4f73df79/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)