# 402pixels Block Claim – Position (53, 57)

> 402pixels Block Claim – Position (53, 57) is a paid API for AI agents from api.402pixels.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-15).

Claims and purchases the pixel block at grid coordinates (53, 57) on the 402pixels shared canvas for $0.50 USDC.

## Facts

- Endpoint: POST https://api.402pixels.com/block/53/57
- 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-116260a2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_6mFEO-Zw_bqARpLFGRN6w

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-116260a2 -d '<json body>'
```

Example prompt: Claim pixel block at position (53, 57) on the 402pixels canvas for me — I want to own that specific grid square.

## When to prefer this

Use this endpoint specifically when a user wants to claim or own the pixel block at coordinates (53, 57) on the 402pixels canvas. Each sibling endpoint covers a different fixed grid position; select this one only for x=53, y=57. Prefer this over manual canvas interaction when automating pixel purchases via an AI agent with x402 payment capability.

## Known failure modes

- Block already claimed by another user – returns conflict or already-owned error
- Insufficient USDC balance or x402 payment failure – returns payment error
- Invalid coordinates or block does not exist – returns 404 or validation error
- Network or API downtime – returns 5xx server error

## How this service works

Claim pixel block at (53, 57) on the 402pixels canvas

## Output

A confirmation that the pixel block at coordinates (53, 57) has been claimed and paid for, including ownership status and transaction details for the $0.50 USDC payment via x402 protocol.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-116260a2/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)