# YRUZ HTTP Headers Lookup

> YRUZ HTTP Headers Lookup is a paid API for AI agents from yruz.one, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-19).

Fetches and returns the HTTP response headers for a given URL

## Facts

- Endpoint: POST https://yruz.one/api/toolkit/http-headers-lookup?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/yruz-http-headers-lookup-d9f16737
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_paeDmrbBFKYG0z8DDKbkl

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 yruz-http-headers-lookup-d9f16737 -d '<json body>'
```

Example prompt: Can you look up the HTTP response headers for https://example.com and tell me what server, caching, and security headers it's sending back?

## When to prefer this

Use this endpoint when you need to quickly inspect the HTTP response headers of any public URL without writing custom networking code. It is ideal for security audits, debugging CDN or caching configurations, checking server software, and verifying CORS or HSTS policies on a per-URL basis.

## Known failure modes

- Invalid or unreachable URL returns empty or error result
- Non-HTTP/HTTPS URLs are not supported
- Target server may block or timeout requests from the lookup service
- Redirects may return headers for the redirect response rather than the final destination
- Some servers return minimal or misleading headers

## How this service works

YRUZ is a free social network: create a profile, join public groups, attend events, read free guides on community building and creator income.

## Output

A JSON object containing the HTTP response headers returned by the target URL, as key-value pairs (e.g. Content-Type, Server, Cache-Control, X-Frame-Options, Strict-Transport-Security, etc.).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "url": {
   "type": "string",
   "description": "http(s) URL (required)"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "tool": "http-headers-lookup",
  "result": {}
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/yruz-http-headers-lookup-d9f16737/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from yruz.one](https://www.zero.xyz/host/yruz.one/llms.txt)