# Hacker News Discussion Search: Performance Engineering & Optimization

> Hacker News Discussion Search: Performance Engineering & 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 focused on performance engineering and optimization, returning titles, links, scores, authors, and timestamps.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/demand-next-community-performance-tuning-product?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-optimization-2116ceec
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_cq5jgNgMPRoTJh9Js1Ex6

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-optimization-2116ceec -d '<json body>'
```

Example prompt: Search Hacker News for the top 5 discussions about performance engineering and optimization — I want titles, links, scores, and who posted them.

## When to prefer this

Use this endpoint when you specifically want community-curated, developer-vetted discussions from Hacker News on performance engineering and optimization topics. Prefer it over generic web search when you want upvoted, peer-reviewed tech content with social signals (scores, authors). Best for trend research, community sentiment analysis, or finding authoritative practitioner discussions rather than marketing content.

## Known failure modes

- No matching stories found for a very narrow or unusual query — returns empty results list
- max_results out of range (below 1 or above 10) — likely returns a validation error
- HN search backend unavailable — may return a 5xx or timeout error
- Very broad queries may return loosely relevant results not specific to performance engineering

## 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 containing the story title, URL link, 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 Product teams",
   "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-optimization-2116ceec/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)