# 402pixels Block Claim (50, 50)

> 402pixels Block Claim (50, 50) is a paid API for AI agents from api.402pixels.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-15).

Claims the pixel block at coordinates (50, 50) on the 402pixels collaborative canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/50/50
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-402pixels-com-e76fbad2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Vd8TdL82_fOAkDFfrWF06

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-e76fbad2 -d '<json body>'
```

Example prompt: Claim the pixel block at position (50, 50) on the 402pixels canvas — go ahead and pay the 0.50 USDC to secure it for me.

## When to prefer this

Use this endpoint when you specifically want to claim the pixel block at canvas coordinates (50, 50) on the 402pixels platform, paying $0.50 USDC via the x402 payment protocol. Choose this over other block endpoints when the user has identified this exact grid position as the one they want to own.

## Known failure modes

- Block already claimed by another user — returns conflict or ownership error
- Insufficient USDC balance or payment failure via x402 protocol
- Invalid or malformed coordinates in request path
- Canvas service temporarily unavailable
- Payment facilitator rejection or timeout

## How this service works

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

## Output

A confirmation that the pixel block at canvas coordinates (50, 50) has been successfully claimed and ownership recorded, along with any relevant block metadata returned by the API.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-e76fbad2/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)