# Agent Website Checker – Discoverability Endpoint

> Agent Website Checker – Discoverability Endpoint is a paid API for AI agents from agent-website-checker.paulo-ai-tools.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-19).

Analyzes a given URL for technical health, SEO signals, and AI-agent readiness, returning structured website intelligence in a single fast call.

## Facts

- Endpoint: GET https://agent-website-checker.paulo-ai-tools.workers.dev/api/discoverability
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agent-website-checker-discoverability-endpoint-2b2226de
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_P9E4SSfGDMSfQail60FE7

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

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability agent-website-checker-discoverability-endpoint-2b2226de
```

Example prompt: Can you check whether https://myproduct.com is technically healthy, well-optimized for SEO, and ready for AI agent discovery?

## When to prefer this

Choose this endpoint when you need a fast, automated, single-call assessment of a website's technical health, SEO readiness, and AI-agent discoverability without setting up a full crawl pipeline. It is ideal for agents performing pre-flight checks on URLs, auditing competitor or client sites, or validating that a site is properly configured for AI-agent access.

## Known failure modes

- Invalid or malformed URL returns a validation error
- Unreachable or offline target URL may result in timeout or connection error
- Paywalled or bot-blocked sites may return incomplete analysis
- Missing required 'url' parameter results in a 400-level error
- Payment not completed via x402 protocol results in 402 Payment Required

## How this service works

Fast x402-payable website intelligence for technical, SEO and AI-agent readiness workflows.

## Output

Returns a structured intelligence report for the provided URL covering technical health indicators, SEO signals (meta tags, structured data, crawlability), and an AI-agent readiness assessment, helping agents and developers understand how discoverable and well-formed a website is.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "url"
 ],
 "properties": {
  "url": {
   "type": "string"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agent-website-checker-discoverability-endpoint-2b2226de/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agent-website-checker.paulo-ai-tools.workers.dev](https://www.zero.xyz/host/agent-website-checker.paulo-ai-tools.workers.dev/llms.txt)