# Services from citation-tracker.pixelcove.co on Zero

> citation-tracker.pixelcove.co serves 2 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/citation-tracker.pixelcove.co
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/citation-tracker.pixelcove.co/health.json

## Services

- [PixelCove Citation Tracker](https://www.zero.xyz/c/pixelcove-citation-tracker-003cef13/llms.txt): $0.75/call via x402. Checks whether AI assistants (Perplexity, ChatGPT, Claude, Gemini) cite a specified domain when answering a given prompt
- [PixelCove Citation Tracker – Shortlist Gate](https://www.zero.xyz/c/pixelcove-citation-tracker-shortlist-gate-9eba8e41/llms.txt): $0.2/call via x402. Checks whether AI assistants (Perplexity, ChatGPT, Claude, Gemini) cite your domain/brand when answering a given prompt, returning which assistants referenced your brand terms

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)