# 402pixels Block Claim (58, 51)

> 402pixels Block Claim (58, 51) is a paid API for AI agents from api.402pixels.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-10-18).

Claims the pixel block at coordinates (58, 51) on the 402pixels shared canvas for $0.50 USDC

## Facts

- Endpoint: POST https://api.402pixels.com/block/58/51?utm_source=zero.xyz
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-18
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-402pixels-com-a7351c60
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_EvE6uKyDtlucCXfBU19Uu

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-a7351c60 -d '<json body>'
```

Example prompt: Claim the pixel block at coordinates (58, 51) on the 402pixels canvas for me — pay the $0.50 USDC fee to lock it in.

## When to prefer this

Use this endpoint when you specifically want to claim the pixel block at grid position (58, 51) on the 402pixels canvas. Each coordinate pair is a unique endpoint; use the matching coordinate endpoint for other positions. Ideal for agents participating in the 402pixels collaborative canvas experience using x402 micropayments.

## Known failure modes

- Block already claimed by another user — returns conflict/unavailable error
- Insufficient USDC balance or payment failure — returns payment error
- Invalid or expired x402 payment header — returns 402 Payment Required
- Network timeout during claim — block state may be uncertain
- Block coordinates out of canvas bounds — returns validation error

## How this service works

Claim pixel block at (58, 51) on the 402pixels canvas

## Output

Returns a confirmation that the pixel block at (58, 51) has been successfully claimed, along with ownership details and block metadata. If the block is already taken, returns an error indicating it is unavailable.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-402pixels-com-a7351c60/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)