# 402pixels Block Claim (56, 54)

> 402pixels Block Claim (56, 54) 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 ownership of pixel block at coordinates (56, 54) on the 402pixels collaborative canvas by making a micropayment

## Facts

- Endpoint: POST https://api.402pixels.com/block/56/54
- 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-259e6c0f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ksP-w6r8XSkH48vJE78Ut

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-259e6c0f -d '<json body>'
```

Example prompt: Claim pixel block at position (56, 54) on the 402pixels canvas for me — spend the 0.5 USDC required to lock it in.

## When to prefer this

Use this endpoint when you specifically want to claim pixel block (56, 54) on the 402pixels canvas. Each coordinate pair has its own dedicated endpoint, so this is the correct call when targeting exactly this block position.

## Known failure modes

- Block already claimed by another user — returns conflict or ownership error
- Insufficient USDC balance — payment of 0.5 USDC fails via x402 protocol
- Invalid coordinates — block outside canvas bounds
- Network or payment gateway timeout during x402 payment processing
- Race condition if another agent claims the block simultaneously

## How this service works

Claim pixel block at (56, 54) on the 402pixels canvas

## Output

A confirmation that the pixel block at coordinates (56, 54) has been successfully claimed and ownership recorded on the 402pixels canvas.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-259e6c0f/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)