# StealthGuard Topic News Scanner

> StealthGuard Topic News Scanner is a paid API for AI agents from stealthguard-402.onrender.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-17).

Scans and returns sanitized, real-time news from general news sources, HackerNews, and ArXiv for any given keyword or topic.

## Facts

- Endpoint: POST https://stealthguard-402.onrender.com/v1/research/topic-news-scanner?utm_source=zero.xyz
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-17
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/stealthguard-topic-news-scanner-8a2a523a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_di1JLZUjoVcCt4TwbpWWf

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 stealthguard-topic-news-scanner-8a2a523a -d '<json body>'
```

Example prompt: Scan the latest news, HackerNews posts, and ArXiv papers about 'prompt injection' and give me a sanitized intelligence summary I can act on.

## When to prefer this

Choose this endpoint when you need a multi-source, sanitized news and research feed for a specific keyword across general news, developer community (HackerNews), and academic (ArXiv) channels simultaneously, especially when the consuming agent requires pre-sanitized content safe for autonomous processing.

## Known failure modes

- No results found for obscure or misspelled keywords
- Rate limiting or upstream source unavailability returning empty results
- Payment not processed resulting in 402 response
- Malformed request body causing 400 error
- Render.com cold start latency causing timeout on first call

## How this service works

Real-time sanitized news, HackerNews, and ArXiv intelligence scanner for any target keyword or protocol.

## Output

Returns a sanitized, multi-source intelligence report combining relevant articles from general news, HackerNews discussions, and ArXiv academic papers matching the target keyword, formatted for safe consumption by autonomous AI agents.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Target search topic or protocol keyword"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/stealthguard-topic-news-scanner-8a2a523a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from stealthguard-402.onrender.com](https://www.zero.xyz/host/stealthguard-402.onrender.com/llms.txt)