# Services from api.stacktr.ee on Zero

> api.stacktr.ee 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/api.stacktr.ee
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.stacktr.ee/health.json

## Services

- [Stacktree /provision — Provision API Key for Private HTML Sharing](https://www.zero.xyz/c/stacktree-provision-provision-api-key-for-private-html-sharing-7ec55e75/llms.txt): $1/call via x402. Provisions a one-time-shown stk_live_ API key for Stacktree, which lets agents publish private, unguessable links to HTML content such as specs, PR writeups, and status reports.
- [Stacktree HTML Publish](https://www.zero.xyz/c/stacktree-html-publish-bae84725/llms.txt): $0.5/call via x402. Publishes an HTML page to a permanent, private, unguessable URL for $0.50 USDC, returning the URL and a one-time claim token — no account or API key required.

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)