# HackerNews & Developer Ecosystem Real-Time Sentiment Pulse

> HackerNews & Developer Ecosystem Real-Time Sentiment Pulse is a paid API for AI agents from prompt-guard.agentdiet.dev, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-21).

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

## Facts

- Endpoint: GET https://prompt-guard.agentdiet.dev/v1/tech-trends?utm_source=zero.xyz
- Price: $0.01/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: prompt-guard.agentdiet.dev
- Website: https://prompt-guard.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/prompt-guard-agentdiet-dev-hackernews-developer-ecosystem-real-time-eec50cf4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_fm4V4By-_-rd0_bpFyYCd

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 prompt-guard-agentdiet-dev-hackernews-developer-ecosystem-real-time-eec50cf4
```

Example prompt: What's the current HackerNews sentiment and front-page velocity around 'Deno' right now — are developers excited or skeptical about it?

## When to prefer this

Choose this endpoint when you need real-time developer community sentiment specifically from HackerNews discussions — ideal for gauging organic developer enthusiasm, skepticism, or controversy around a technology. Prefer this over general web search when you need structured sentiment signals rather than raw search results, or when HackerNews front-page velocity is a proxy metric you care about for investment, adoption, or competitive research decisions.

## Known failure modes

- Missing required 'query' parameter returns a validation error
- Empty or whitespace-only query string rejected (minLength:1)
- HackerNews API upstream unavailability may cause timeouts or degraded results
- Very niche or misspelled keywords may return sparse or no data
- Payment failure via x402 prevents endpoint access

## 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://prompt-guard.agentdiet.dev/v1/tech-trends)

## Output

Returns live HackerNews discussion data, front-page velocity metrics, and aggregated developer sentiment signals for the queried keyword, including trend indicators and community reaction patterns.

## 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/prompt-guard-agentdiet-dev-hackernews-developer-ecosystem-real-time-eec50cf4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from prompt-guard.agentdiet.dev](https://www.zero.xyz/host/prompt-guard.agentdiet.dev/llms.txt)