# 402pixels Block Claim (56, 55)

> 402pixels Block Claim (56, 55) 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 (56, 55) on the 402pixels shared canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/56/55
- 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-790919e2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap___wF9Y-2Ulp635qzjMMYJ

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-790919e2 -d '<json body>'
```

Example prompt: Claim the pixel block at position (56, 55) on the 402pixels canvas for me — pay the $0.50 USDC fee to lock in ownership of that spot.

## When to prefer this

Use this endpoint specifically when you need to claim the block at exact canvas coordinates (56, 55) on the 402pixels platform. Each coordinate pair maps to a unique endpoint; use the sibling endpoints for other coordinates on the same canvas.

## Known failure modes

- Block already claimed — returns conflict or error indicating the coordinate is taken
- Insufficient USDC payment — x402 payment of $0.50 not fulfilled
- Invalid coordinates — if the block falls outside the valid canvas range
- Payment protocol failure — x402 header missing or malformed

## How this service works

Claim pixel block at (56, 55) on the 402pixels canvas

## Output

A confirmation that pixel block (56, 55) has been successfully claimed, including ownership details and the transaction status on the 402pixels canvas.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-790919e2/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)