# Hacker News Discussion Search: Product Discovery & User Research

> Hacker News Discussion Search: Product Discovery & User Research 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 product discovery and user research discussions, returning titles, links, scores, authors, and timestamps.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/demand-next-community-product-discovery-operators?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-product-discovery-user-research-aad75e45
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_hPOnyNfJUWTehk2vQ8saz

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-product-discovery-user-research-aad75e45 -d '<json body>'
```

Example prompt: Search Hacker News for discussions about product discovery and platform operators — give me the top 5 stories with their titles, links, scores, and authors.

## When to prefer this

Choose this endpoint when you need to quickly surface real community sentiment and discussions from Hacker News specifically about product discovery, user research, or platform operator topics — particularly useful for startup founders, product managers, and researchers who want to understand what practitioners and early adopters are saying without manually browsing HN.

## Known failure modes

- Query returns zero results if search terms are too niche or obscure on HN
- max_results out of range (below 1 or above 10) causes validation error
- Overly broad queries may return loosely related stories
- Service may return stale or cached results for trending topics
- Network or provider downtime results in no response

## 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 up to 10 Hacker News stories matching the search query, each including the story title, URL link, upvote score, author username, and publication timestamp.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "default": "product discovery and user research Platform operators",
   "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-product-discovery-user-research-aad75e45/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)