# Services from x402-seo-api.restockalarm.workers.dev on Zero

> x402-seo-api.restockalarm.workers.dev 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/x402-seo-api.restockalarm.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-seo-api.restockalarm.workers.dev/health.json

## Services

- [x402 SEO Keyword Questions API](https://www.zero.xyz/c/x402-seo-keyword-questions-api-7fe2ca99/llms.txt): $0.02/call via x402. Returns question-style keyword ideas (how, what, why, etc.) for a given seed keyword, useful for SEO content planning
- [x402 SEO SERP Snippet Lookup](https://www.zero.xyz/c/x402-seo-serp-snippet-lookup-fb01d0e1/llms.txt): $0.02/call via x402. Fetches real SERP snippet data (titles, snippets, and search intent) for a given keyword, paid per-call via x402 on Base
- [x402 SEO Keyword Ideas](https://www.zero.xyz/c/x402-seo-keyword-ideas-68bb7531/llms.txt): $0.01/call via x402. Returns SEO keyword ideas and related search terms based on a seed keyword, paid via x402 micropayment on Base.
- [x402 SEO PAA Question Expander](https://www.zero.xyz/c/x402-seo-paa-question-expander-56a65a4b/llms.txt): $0.01/call via x402. Expands a seed question into related 'People Also Ask' SEO keyword ideas using the x402 micropayment protocol
- [x402 SEO Keyword Ideas Tip Endpoint](https://www.zero.xyz/c/x402-seo-keyword-ideas-tip-endpoint-df6d9d2a/llms.txt): $1/call via x402. Accepts a micropayment tip via x402 protocol on the Base blockchain and returns a confirmation receipt

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)