# 402pixels Block Claim (56, 57)

> 402pixels Block Claim (56, 57) is a paid API for AI agents from api.402pixels.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-10-18).

Claims the pixel block at grid coordinates (56, 57) on the 402pixels collaborative canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/56/57?utm_source=zero.xyz
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-18
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-402pixels-com-137c2e54
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_MOHycTAluIeRhikk2lUX5

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-137c2e54 -d '<json body>'
```

Example prompt: Claim pixel block at coordinates (56, 57) on the 402pixels canvas — pay the 0.50 USDC to secure that spot for me.

## When to prefer this

Use this endpoint when you specifically want to claim the pixel block at canvas coordinates (56, 57) on the 402pixels canvas. Each sibling endpoint covers a different specific coordinate pair; choose this one only for that exact grid location. Prefer this over manual canvas interaction when automating pixel ownership via the x402 payment protocol.

## Known failure modes

- Block already claimed by another user — returns conflict or already-owned error
- Insufficient USDC balance or failed x402 payment — returns payment required or payment failed
- Invalid or out-of-range coordinates — returns 404 or bad request
- Network or API server error — returns 5xx response

## How this service works

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

## Output

A confirmation that the pixel block at grid position (56, 57) has been claimed and paid for, along with ownership details for that canvas location.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-137c2e54/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)