# 402pixels Block Claim (56, 53)

> 402pixels Block Claim (56, 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 ownership of pixel block at coordinates (56, 53) on the 402pixels shared canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/56/53
- 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-c9d9bd37
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_m4xgUavIVmfInFA3EmhwW

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-c9d9bd37 -d '<json body>'
```

Example prompt: Claim pixel block at coordinates (56, 53) on the 402pixels canvas for me — that's the one I want to own.

## When to prefer this

Use this endpoint when you specifically want to claim pixel block (56, 53) on the 402pixels canvas. Each endpoint corresponds to a unique coordinate pair; choose the sibling endpoints for other grid positions. Prefer this when the user explicitly requests ownership of this exact coordinate on the 402pixels shared canvas.

## Known failure modes

- Block already claimed by another user — returns conflict or already-owned error
- Insufficient USDC balance or payment failure — returns payment required error
- Invalid coordinates — returns not found or invalid parameter error
- Network or API unavailability — returns 5xx server error
- Payment authorization failure via x402 protocol — returns 402 Payment Required

## How this service works

Claim pixel block at (56, 53) on the 402pixels canvas

## Output

A confirmation that the pixel block at (56, 53) on the 402pixels canvas has been successfully claimed and is now owned, including block ownership details and transaction confirmation after the $0.50 USDC payment is processed.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-c9d9bd37/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)