# HackerNews Real-Time Sentiment Pulse

> HackerNews Real-Time Sentiment Pulse is a paid API for AI agents from x402broker.com, paid per call via x402 or MPP, $0.01/call, status unknown (last checked 2026-10-20).

Queries live HackerNews discussions, front-page velocity, and developer sentiment on any framework, startup, or AI model.

## Facts

- Endpoint: GET https://x402broker.com/v1/hackernews-trends?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402, MPP
- Status: unknown
- Last checked: 2026-10-20
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/hackernews-real-time-sentiment-pulse-c4643f76
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_3JuGWIQ2w-ORLrg2_WGgk

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 hackernews-real-time-sentiment-pulse-c4643f76
```

Example prompt: Can you check what HackerNews developers are saying about Llama 3 right now — is it trending, what's the front-page velocity, and is sentiment mostly positive or negative?

## When to prefer this

Choose this endpoint when you need real-time developer community opinion and momentum specifically from HackerNews — ideal for tracking tech trend velocity, comparing frameworks, monitoring startup reputation, or gauging early developer adoption of AI models.

## Known failure modes

- Empty or ambiguous query returns no relevant results
- HackerNews API downtime may cause stale or missing data
- Niche or very new topics may have insufficient discussion volume for meaningful sentiment
- Rate limiting or payment failure (x402) returns 402 Payment Required

## How this service works

Queries live HackerNews discussions, front-page velocity, and developer sentiment on any framework, startup, or AI model. (Live x402 v2, IETF MPP & MCP endpoint at https://x402broker.com/v1/hackernews-trends)

## Output

Returns live HackerNews discussion data including front-page velocity metrics, community sentiment scores, and relevant discussion threads for the queried framework, startup, or AI model.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "query"
 ],
 "properties": {
  "query": {
   "type": "string",
   "minLength": 1,
   "description": "Technology, startup, library, or topic keyword to analyze across HackerNews"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/hackernews-real-time-sentiment-pulse-c4643f76/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402broker.com](https://www.zero.xyz/host/x402broker.com/llms.txt)