# Agent Newsstand Universe Catalog

> Agent Newsstand Universe Catalog is a paid API for AI agents from api.agentnewsstand.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).

Returns the full catalog of available endpoints on Agent Newsstand, listing all 15 pay-per-call intelligence endpoints for AI agents

## Facts

- Endpoint: GET https://api.agentnewsstand.com/v1/universe
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agent-newsstand-universe-catalog-c28c0b4a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_XpsktMkN78oBCeRQ14gBC

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 agent-newsstand-universe-catalog-c28c0b4a
```

Example prompt: What endpoints are available on Agent Newsstand? I want to see the full list of pay-per-call capabilities so I know what market data and web intelligence tools I can use.

## When to prefer this

Use this endpoint when an AI agent needs to discover what data and intelligence capabilities are available on Agent Newsstand before making specific data calls. Ideal as the first call in an agent workflow to enumerate tools, or when dynamically routing between endpoints based on user intent.

## Known failure modes

- Payment required (402) if USDC payment not included
- Invalid properties filter returns empty or error response
- Service unavailable if Agent Newsstand infrastructure is down

## How this service works

15 pay-per-call endpoints for AI agents: tokenized-asset candles, SEC filings, earnings, US macro, web search, page reader, paywall unlock, screenshots. USDC on Base via x402. No API keys, no signup.

## Output

A catalog of all available Agent Newsstand endpoints, including names, descriptions, pricing (each $0.005 USDC), and capability summaries covering tokenized-asset candles, SEC filings, earnings data, US macro indicators, web search, page reading, paywall unlocking, and screenshots.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agent-newsstand-universe-catalog-c28c0b4a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.agentnewsstand.com](https://www.zero.xyz/host/api.agentnewsstand.com/llms.txt)