# Hacker News Open-Source Project Discussion Search

> Hacker News Open-Source Project Discussion Search 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 open-source project releases and adoption, returning titles, links, scores, authors, and timestamps.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/demand-next-community-open-source-projects-founders?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-open-source-project-discussion-search-7885f003
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_x4DacGJf79UbG2OuMU11l

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-open-source-project-discussion-search-7885f003 -d '<json body>'
```

Example prompt: Search Hacker News for discussions about open-source project releases and adoption related to 'observability tools for Kubernetes', and give me the top 5 results with their scores and links.

## When to prefer this

Choose this endpoint when you specifically need Hacker News community discussions about open-source project releases and adoption — particularly useful for tracking developer sentiment, community traction, and founder perspectives on open-source tooling. Prefer this over general web search when you want curated HN-specific results with community scoring signals rather than broad internet coverage.

## Known failure modes

- No matching stories found for the query — returns empty results list
- Query too broad or too narrow yields irrelevant or zero results
- max_results value outside 1–10 range causes validation error
- Service unavailable or timeout if Hacker News data source is unreachable
- Payment failure if USDC balance is insufficient for the $0.01 per-call fee

## How this service works

Hacker News discussion search: open-source project releases and adoption: Search public Hacker News stories for open-source project releases and adoption. Returns story titles, links, scores, authors, and timestamps.

## Output

Returns a list of Hacker News story objects, each containing the story title, a link to the HN post or external article, the community score (upvotes), the author's username, and the publication timestamp. Up to 10 results per call.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "default": "open-source project releases and adoption Startup founders",
   "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-open-source-project-discussion-search-7885f003/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)
