# Hacker News Discussion Search for Product Discovery

> Hacker News Discussion Search for Product Discovery 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 to support product discovery and user research, returning titles, links, scores, authors, and timestamps.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/demand-next-community-product-discovery-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-for-product-discovery-625ef543
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_bL9uTdPxDXxlLKDgVXvIK

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-for-product-discovery-625ef543 -d '<json body>'
```

Example prompt: Search Hacker News for discussions about 'developer productivity tools' and show me the top 5 results including titles, scores, and links so I can use them for user research.

## When to prefer this

Use this endpoint when you need to quickly surface community sentiment, pain points, or discussions from the Hacker News developer and builder community for product discovery or user research purposes. It is ideal for startup founders, product managers, and researchers who want to understand what technical builders are discussing around a topic without manually browsing HN.

## Known failure modes

- Query returns no results if search terms are too niche or misspelled
- max_results exceeding 10 will be rejected or clamped
- Hacker News API downtime may cause empty or error responses
- Very broad queries may return loosely relevant stories

## How this service works

Hacker News discussion search: product discovery and user research: Search public Hacker News stories for product discovery and user research. Returns story titles, links, scores, authors, and timestamps.

## Output

Returns a list of Hacker News stories matching the query, each with a 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": "product discovery and user research 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-for-product-discovery-625ef543/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)