# 402pixels Block Claim (50, 55)

> 402pixels Block Claim (50, 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 (50, 55) on the 402pixels collaborative canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/50/55
- 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-c0c97c4b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_qAuXoBC4Xnc_e_XXKX7W6

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-c0c97c4b -d '<json body>'
```

Example prompt: Claim pixel block at coordinates (50, 55) on the 402pixels canvas for me — I want to own that spot.

## When to prefer this

Use this endpoint when a user explicitly wants to claim or purchase the specific pixel block at canvas coordinates (50, 55) on the 402pixels platform. This is a coordinate-specific endpoint — each pixel block has its own URL. Use sibling endpoints for adjacent or different coordinates.

## Known failure modes

- Block already claimed by another user — returns conflict/409 error
- Insufficient USDC balance or x402 payment failure — returns 402 Payment Required
- Invalid coordinates or block out of canvas bounds — returns 400 error
- Network or API timeout — returns 5xx error
- Payment authorization rejected — returns 401 or 402 error

## How this service works

Claim pixel block at (50, 55) on the 402pixels canvas

## Output

A confirmation that the pixel block at grid position (50, 55) has been claimed, along with ownership details and payment receipt for $0.50 USDC via x402 protocol.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-c0c97c4b/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)