# 402pixels Block Claim (57, 56)

> 402pixels Block Claim (57, 56) 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 the pixel block at coordinates (57, 56) on the 402pixels shared canvas for $0.5 USDC.

## Facts

- Endpoint: POST https://api.402pixels.com/block/57/56
- 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-c2550f4c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_w1KexPW6fPYoJ1hjdQPVQ

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-c2550f4c -d '<json body>'
```

Example prompt: Claim the pixel block at position (57, 56) on the 402pixels canvas for me — go ahead and pay the 0.5 USDC to lock it in.

## When to prefer this

Use this endpoint when you specifically want to claim pixel block at coordinates (57, 56) on the 402pixels canvas and are prepared to pay 0.5 USDC via the x402 payment protocol. Each block coordinate has its own dedicated endpoint; choose the one matching your desired canvas position.

## Known failure modes

- Block already claimed by another user — returns conflict or already-owned error
- Insufficient USDC balance or payment failure — transaction rejected
- Invalid coordinates or out-of-bounds request
- Network or API downtime causing request failure
- Payment protocol (x402) handshake failure

## How this service works

Claim pixel block at (57, 56) on the 402pixels canvas

## Output

A confirmation that pixel block (57, 56) on the 402pixels canvas has been claimed and is now owned, along with any ownership metadata returned by the API.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-c2550f4c/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)