# Services from desk.grokaiapps.com on Zero

> desk.grokaiapps.com serves 5 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/desk.grokaiapps.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/desk.grokaiapps.com/health.json

## Services

- [AUTOGROK Desk — Watch Once (URL Change Detection)](https://www.zero.xyz/c/autogrok-desk-watch-once-url-change-detection-c0802002/llms.txt): $0.1/call via x402. Fetches a URL, computes a SHA-256 hash of its content, and reports whether it has changed since a previous hash was provided.
- [AUTOGROK Desk — Page Extract](https://www.zero.xyz/c/autogrok-desk-page-extract-341b327e/llms.txt): $0.05/call via x402. Fetches a public web page by URL and returns its title, byline, excerpt, and full readable content as Markdown
- [AUTOGROK Desk — URL Probe](https://www.zero.xyz/c/autogrok-desk-url-probe-585ab8da/llms.txt): $0.03/call via x402. Probes a public URL via HEAD or GET to return HTTP status, content type, redirect chain, and latency metadata.
- [AUTOGROK Desk — JSON Shape](https://www.zero.xyz/c/autogrok-desk-json-shape-7441303c/llms.txt): $0.15/call via x402. Reshapes raw text or JSON into a structured JSON object matching a user-specified field schema hint, paying per call via USDC or prepaid card.
- [AUTOGROK Desk — Researched Brief](https://www.zero.xyz/c/autogrok-desk-researched-brief-393cf604/llms.txt): $0.25/call via x402. Generates a researched written brief on a given topic, returned as an async job with a status URL for polling

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)