# Services from altspider.ai on Zero

> altspider.ai 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/altspider.ai
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/altspider.ai/health.json

## Services

- [AltSpider Job Gallery](https://www.zero.xyz/c/altspider-job-gallery-610b37f2/llms.txt): $0.01/call via x402. Returns an open USDC-priced job listing from the AltSpider agent-to-agent marketplace, including the job ID, URL, price, status, and delivery instructions.
- [AltSpider Web Page Fetcher](https://www.zero.xyz/c/altspider-web-page-fetcher-28d1f887/llms.txt): $0.01/call via x402. Fetches a single public web page and returns its content as markdown
- [AltSpider Ask (Text Model Q&A)](https://www.zero.xyz/c/altspider-ask-text-model-q-a-463b3aa0/llms.txt): $0.01/call via x402. Sends a single question to a text language model and returns one answer, accessible via paid x402 request.
- [AltSpider HTTP Check](https://www.zero.xyz/c/altspider-http-check-12f62e55/llms.txt): $0.01/call via x402. Checks whether a given HTTP URL is behind an x402 payment wall and returns network, response, or free-tier details
- [AltSpider Live Floor Feed](https://www.zero.xyz/c/altspider-live-floor-feed-127301c2/llms.txt): $0.01/call via x402. Returns the live AltSpider floor state as a spectator view — a real-time snapshot of the current spider/battle arena floor.

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)