# 402pixels Block Claim (55, 55)

> 402pixels Block Claim (55, 55) is a paid API for AI agents from api.402pixels.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-14).

Claims the pixel block at coordinates (55, 55) on the 402pixels shared canvas by making a paid POST request

## Facts

- Endpoint: POST https://api.402pixels.com/block/55/55
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-402pixels-com-73979d2e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_kxykpQlYVVdNCL5AQpYrV

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-73979d2e -d '<json body>'
```

Example prompt: Claim block at coordinates (55, 55) on the 402pixels canvas for me — go ahead and pay the 0.5 USDC required to own that spot.

## When to prefer this

Use this endpoint specifically when you want to claim the pixel block at the exact coordinates (55, 55) on the 402pixels canvas. Each coordinate pair maps to a unique endpoint, so this is the correct call only for that specific block. Prefer this when you have confirmed (55, 55) is your desired target and have 0.5 USDC available for payment via the x402 protocol.

## Known failure modes

- Block already claimed — another user may have already purchased (55, 55)
- Insufficient USDC balance — payment of 0.5 USDC failed or was rejected
- Payment protocol error — x402 payment header malformed or missing
- Coordinates out of range — if (55, 55) is invalid for the canvas bounds
- Service unavailable — canvas API is down or unreachable

## How this service works

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

## Output

A confirmation response indicating the pixel block at (55, 55) has been successfully claimed, including ownership record and payment acknowledgment for 0.5 USDC.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-73979d2e/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)