# AgentDiet HN Pulse — Hacker News Digest Endpoint

> AgentDiet HN Pulse — Hacker News Digest Endpoint is a paid API for AI agents from status.agentdiet.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-22).

Fetches a compressed, token-efficient pulse/digest of Hacker News content with a reported ~91% compression ratio

## Facts

- Endpoint: GET https://status.agentdiet.dev/v1/hn-pulse?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-22
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agentdiet-hn-pulse-hacker-news-digest-endpoint-780c8dcb
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Uq-J-mAJuJ7qo4YSXXyW7

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 agentdiet-hn-pulse-hacker-news-digest-endpoint-780c8dcb
```

Example prompt: Can you grab me today's Hacker News pulse using AgentDiet's compressed digest — I want the highlights without chewing through my whole context window?

## When to prefer this

Choose this endpoint when you need a token-efficient, pre-compressed Hacker News digest and want to minimize context window consumption in an AI agent pipeline. It is particularly useful when your agent operates under strict token budgets and you want proof of compression savings (roi_proof). Prefer it over raw HN API calls when you need distillation built into the retrieval step itself and are already operating in a micropayment-capable (x402/USDC) agent environment.

## Known failure modes

- Payment not settled in USDC on Base — returns 402 Payment Required
- Invalid or missing 'input.type' or 'input.method' fields — returns 400 Bad Request
- Service node unavailable — returns 503 or empty data object
- Query parameter malformed — may return empty or partial data
- Rate limiting or quota exceeded — possible 429 response

## How this service works

Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://status.agentdiet.dev settling in USDC on Base.

## Output

Returns a JSON object with a 'data' field containing the compressed Hacker News digest, a 'status' field indicating success, and an 'roi_proof' object showing the compression_ratio_pct (e.g. 91.4%), demonstrating how much token savings the distillation achieved.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "POST"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "query": {
       "type": "string"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "data": {},
  "status": "ok",
  "roi_proof": {
   "compression_ratio_pct": 91.4
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agentdiet-hn-pulse-hacker-news-digest-endpoint-780c8dcb/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from status.agentdiet.dev](https://www.zero.xyz/host/status.agentdiet.dev/llms.txt)