# Hacker News Discussion Search: Performance Engineering and Optimization

> Hacker News Discussion Search: Performance Engineering and Optimization is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-02).

Searches public Hacker News stories for discussions about performance engineering and optimization, returning titles, links, scores, authors, and timestamps.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/demand-next-community-performance-tuning-builders?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/hacker-news-discussion-search-performance-engineering-and-optimization-2829df21
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ICY8CeuLtxwrUepPoYPvo

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 hacker-news-discussion-search-performance-engineering-and-optimization-2829df21 -d '<json body>'
```

Example prompt: Search Hacker News for the top 5 discussions about performance engineering and optimization — I want to see what the developer community is talking about right now.

## When to prefer this

Choose this endpoint when you specifically want community-curated discussion and opinion from Hacker News — not raw web search results — about performance engineering topics. It's ideal for surfacing practitioner sentiment, highly-voted threads, and trending conversations among software builders. Prefer it over general web search when the user wants to know what experienced developers are actually talking about, not just official documentation or blog posts.

## Known failure modes

- Query returns no results if the topic is too niche or query terms don't match HN content
- max_results outside 1-10 range rejected with validation error
- Payment failure if insufficient USDC balance for x402 protocol
- Stale or cached results if HN index hasn't updated recently
- Network timeout if upstream Hacker News search API is slow or unavailable

## How this service works

Hacker News discussion search: performance engineering and optimization: Search public Hacker News stories for performance engineering and optimization. Returns story titles, links, scores, authors, and timestamps.

## Output

Returns a list of Hacker News stories matching the performance engineering and optimization query, each including the story title, link to the original article or HN thread, upvote score, author username, and submission timestamp — up to 10 results per call.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "default": "performance engineering and optimization Software builders",
   "description": "Optional focused search query."
  },
  "max_results": {
   "type": "integer",
   "default": 5,
   "maximum": 10,
   "minimum": 1
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/hacker-news-discussion-search-performance-engineering-and-optimization-2829df21/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)