# 402pixels Canvas Block Claimer (52, 50)

> 402pixels Canvas Block Claimer (52, 50) 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 the pixel block at coordinates (52, 50) on the 402pixels collaborative canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/52/50
- 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-84448683
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_9IwKLICsIsryT6FziNyzB

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-84448683 -d '<json body>'
```

Example prompt: Claim pixel block at coordinates (52, 50) on the 402pixels canvas for me — go ahead and pay the $0.50 USDC required to secure that spot.

## When to prefer this

Use this endpoint when you specifically want to claim pixel block at canvas position (52, 50) on the 402pixels canvas. Each coordinate pair is a unique endpoint; use sibling endpoints for other canvas positions. Requires x402 protocol USDC payment capability.

## Known failure modes

- Block already claimed by another user — returns conflict or 409-equivalent error
- Insufficient USDC balance or payment failure — x402 payment rejected
- Invalid or expired payment header — authentication/payment middleware rejects the request
- Network timeout or API unavailability — no confirmation returned
- Block coordinates out of range — returns 404 or invalid coordinate error

## How this service works

Claim pixel block at (52, 50) on the 402pixels canvas

## Output

A confirmation that the pixel block at canvas coordinates (52, 50) has been claimed and paid for, including ownership details and the transaction record on the 402pixels canvas.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-84448683/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)