# HackerNews & Developer Ecosystem Real-Time Sentiment Pulse

> HackerNews & Developer Ecosystem Real-Time Sentiment Pulse is a paid API for AI agents from x402-audit.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 sentiment for any technology, startup, framework, or AI model keyword.

## Facts

- Endpoint: GET https://x402-audit.agentdiet.dev/v1/hackernews-velocity-radar?utm_source=zero.xyz
- Price: $0.01/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: x402-audit.agentdiet.dev
- Website: https://x402-audit.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/x402-audit-agentdiet-dev-hackernews-developer-ecosystem-real-time-b60fe6c6
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_pr5cTxwXQmeeaUkw6C9af

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 x402-audit-agentdiet-dev-hackernews-developer-ecosystem-real-time-b60fe6c6
```

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

## When to prefer this

Use this endpoint when you need real-time developer community sentiment specifically from HackerNews — the go-to forum for technical founders, engineers, and early adopters. Prefer this over general social sentiment APIs when your audience is developers and you care about front-page velocity and technical discourse quality, not mainstream social media volume.

## Known failure modes

- Missing or empty 'query' parameter returns a validation error
- Query term too generic may return noisy or unfocused sentiment results
- HackerNews API downtime may cause upstream failures or stale data
- Niche or newly coined terms may return sparse results with low confidence
- Rate limiting or payment failure (HTTP 402) blocks the request

## 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://x402-audit.agentdiet.dev/v1/hackernews-velocity-radar)

## Output

Returns real-time HackerNews discussion data including front-page velocity, thread activity, and aggregated developer sentiment signals for the queried technology, startup, or AI model keyword.

## 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/x402-audit-agentdiet-dev-hackernews-developer-ecosystem-real-time-b60fe6c6/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-audit.agentdiet.dev](https://www.zero.xyz/host/x402-audit.agentdiet.dev/llms.txt)