# 402pixels Block Claim (52, 55)

> 402pixels Block Claim (52, 55) is a paid API for AI agents from api.402pixels.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-13).

Claims the pixel block at grid coordinates (52, 55) on the 402pixels shared canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/52/55
- 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-41d6a8aa
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_FK3nnHFhr7Km-I5ex36OK

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-41d6a8aa -d '<json body>'
```

Example prompt: Claim pixel block at coordinates (52, 55) on the 402pixels canvas for me — I want to own that spot.

## When to prefer this

Use this endpoint specifically when you want to claim the pixel block at grid position (52, 55) on the 402pixels canvas. Each endpoint on this service corresponds to a unique fixed coordinate pair, so only this endpoint can claim this exact block. Choose this when the user explicitly wants (52, 55) or when you are programmatically iterating available blocks.

## Known failure modes

- Block already claimed by another user — returns conflict or already-owned error
- Insufficient USDC payment — returns payment required or insufficient funds error
- Invalid coordinates — block (52, 55) may be out of range or malformed
- x402 payment protocol failure — payment header missing or malformed
- Network timeout or API unavailability

## How this service works

Claim pixel block at (52, 55) on the 402pixels canvas

## Output

A confirmation that the pixel block at (52, 55) has been claimed and is now owned by the caller, along with relevant ownership or transaction details returned by the API.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-41d6a8aa/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)