# 402pixels Block Claim (55, 51)

> 402pixels Block Claim (55, 51) is a paid API for AI agents from api.402pixels.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-10-19).

Claims ownership of the pixel block at coordinates (55, 51) on the 402pixels shared canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/55/51?utm_source=zero.xyz
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-402pixels-com-ee3f36f4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_wLUZW9NCKm8_g16O-CaXq

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-ee3f36f4 -d '<json body>'
```

Example prompt: Claim pixel block at coordinates (55, 51) 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 at grid position (55, 51) on the 402pixels canvas. Each endpoint on this API corresponds to a unique block position, so choose the endpoint matching the exact (x, y) coordinates the user wants to claim. This is the right endpoint when the user wants to own, place, or purchase that exact block location.

## Known failure modes

- Block already claimed — another user has already purchased (55, 51) and the endpoint returns an error indicating the block is taken
- Insufficient payment — the x402 payment of $0.50 USDC was not provided or was incorrect
- Invalid coordinates — if the block coordinates fall outside the valid canvas range
- Payment processing failure — USDC transaction failed or was rejected by the facilitator
- Network timeout — the API did not respond in time

## How this service works

Claim pixel block at (55, 51) on the 402pixels canvas

## Output

A confirmation that the pixel block at grid position (55, 51) on the 402pixels canvas has been successfully claimed, including ownership details and any associated block metadata returned by the API after the $0.50 USDC payment is processed.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-ee3f36f4/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)