# HackerNews & Developer Ecosystem Real-Time Sentiment Pulse

> HackerNews & Developer Ecosystem Real-Time Sentiment Pulse is a paid API for AI agents from hn-pulse.agentdiet.dev, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-23).

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

## Facts

- Endpoint: POST https://hn-pulse.agentdiet.dev/paid?utm_source=zero.xyz
- Price: $0.01/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Provider: hn-pulse.agentdiet.dev
- Website: https://hn-pulse.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/hn-pulse-agentdiet-dev-hackernews-developer-ecosystem-real-time-9fdcc0dd
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_v6TRSjHPurvZKS90YhlWk

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 hn-pulse-agentdiet-dev-hackernews-developer-ecosystem-real-time-9fdcc0dd -d '<json body>'
```

Example prompt: What's the current HackerNews developer sentiment on LangChain — how fast is it trending on the front page and what are people saying about it?

## When to prefer this

Choose this endpoint when you need real-time, live developer community sentiment specifically from HackerNews — the gold standard for tech-savvy early-adopter opinion. Prefer it over generic social listening tools when your audience is developers, founders, or investors who care what the HN community thinks about a technology, AI model, or startup. It is especially valuable for tracking front-page velocity, which signals breakout trending moments before mainstream media coverage.

## Known failure modes

- Empty or ambiguous query string returns no meaningful results
- Very niche or newly coined term may have no HackerNews mentions, returning sparse data
- Payment failure via x402 results in 402 response and no data returned
- Rate limiting or HackerNews API outage may cause degraded or stale results
- Overly broad queries (e.g. 'AI') may return unfocused or overwhelming results

## 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://hn-pulse.agentdiet.dev/paid)

## Output

Returns a structured object containing live HackerNews discussion data for the queried topic, including front-page velocity metrics, sentiment signals derived from developer comments and thread activity, relevant discussion threads, and aggregated community opinion indicators.

## 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/hn-pulse-agentdiet-dev-hackernews-developer-ecosystem-real-time-9fdcc0dd/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from hn-pulse.agentdiet.dev](https://www.zero.xyz/host/hn-pulse.agentdiet.dev/llms.txt)