# 402pixels Block Claim (51, 61)

> 402pixels Block Claim (51, 61) 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 (51, 61) on the 402pixels shared canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/51/61
- 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-7e2e0fbb
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_YyDUXhC3YsLtc2i4Gn6Xz

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-7e2e0fbb -d '<json body>'
```

Example prompt: Claim the pixel block at position (51, 61) on the 402pixels canvas for me — I want to own that spot.

## When to prefer this

Use this endpoint when you specifically want to claim pixel block (51, 61) on the 402pixels canvas. Each coordinate pair maps to a unique endpoint; choose sibling endpoints for other specific coordinates on the same canvas.

## Known failure modes

- Block already claimed by another user — returns conflict or ownership error
- Insufficient USDC balance or x402 payment failure — returns payment required error
- Invalid coordinates if block is out of canvas bounds — returns 400 bad request
- Network or server error — returns 500 internal server error

## How this service works

Claim pixel block at (51, 61) on the 402pixels canvas

## Output

A confirmation that the pixel block at coordinates (51, 61) has been claimed and ownership registered, following a $0.50 USDC payment via x402 protocol.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-7e2e0fbb/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)