# 402pixels Claim Pixel Block (53, 53)

> 402pixels Claim Pixel Block (53, 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 the pixel block at grid coordinates (53, 53) on the 402pixels shared canvas for $0.50 USDC.

## Facts

- Endpoint: POST https://api.402pixels.com/block/53/53
- 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-b253e03a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_YeGDCBJ84GnYTSVSMEyyb

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-b253e03a -d '<json body>'
```

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

## When to prefer this

Use this endpoint when you specifically want to claim pixel block (53, 53) on the 402pixels canvas. Each coordinate pair is a distinct endpoint, so choose the endpoint matching the exact coordinates you want to own. Prefer this over generic NFT or pixel purchase APIs when interacting specifically with the 402pixels collaborative canvas project that uses the x402 payment protocol.

## Known failure modes

- Block already claimed by another user — returns conflict or already-owned error
- Insufficient USDC payment or payment failure — returns payment required or declined error
- Invalid coordinates outside canvas bounds — returns bad request
- Network or API timeout during payment processing — returns server error
- Payment protocol (x402) not supported by client — returns 402 Payment Required

## How this service works

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

## Output

A confirmation that the pixel block at grid coordinates (53, 53) has been successfully claimed and ownership recorded on the 402pixels canvas, along with any relevant ownership metadata.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-b253e03a/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)