# Quick Brief API

> Quick Brief API is a paid API for AI agents from preview-chat-985505b1-9dc0-470f-9fc3-3704d8b625e3.space-z.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-02).

Performs a single live web search and returns a snippet-level digest of 3-6 cited key points on any topic in seconds, paid per-call via x402.

## Facts

- Endpoint: POST https://preview-chat-985505b1-9dc0-470f-9fc3-3704d8b625e3.space-z.ai/api/x402/quick-brief?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/quick-brief-api-edbba991
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_PZHD_HTQwica9_8Rbo2ej

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 quick-brief-api-edbba991 -d '<json body>'
```

Example prompt: Can you give me a quick cited brief on the latest AI regulation developments, with up to 5 key points pulled from the last 30 days?

## When to prefer this

Choose this endpoint when you need a fast, cited answer with live web data and don't require deep full-page analysis. It's ideal for quick fact-checks, current events summaries, or any query where 3-6 key points with sources are sufficient. Prefer the $0.05 Research Brief sibling on the same origin when you need full-page depth and more thorough source reading. This endpoint is best for speed and cost-efficiency at $0.01 per call with no API key or signup required.

## Known failure modes

- Topic string under 10 characters or over 200 characters returns a validation error
- Payment not provided or x402 handshake fails — endpoint returns 402 Payment Required
- Live web search returns no relevant results for obscure or very niche topics
- recency_days set to 7 for very recent events that haven't been indexed yet — may return sparse results
- max_findings out of range (below 3 or above 6) returns a validation error

## How this service works

Use this when you need a fast cited answer, not deep research: one live web search, relevance-ranked sources, snippet-level digest with 3-6 cited key points in seconds. No API key, no signup — x402 per-call payment only. For full-page depth use the $0.05 Research Brief on the same origin.

## Output

A snippet-level digest containing 3-6 cited key points derived from one live web search, with relevance-ranked sources and brief excerpts supporting each finding, returned in seconds.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "topic": {
   "type": "string",
   "maxLength": 200,
   "minLength": 10
  },
  "max_findings": {
   "type": "integer",
   "maximum": 6,
   "minimum": 3
  },
  "recency_days": {
   "enum": [
    0,
    7,
    30,
    90,
    365
   ],
   "type": "integer"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/quick-brief-api-edbba991/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from preview-chat-985505b1-9dc0-470f-9fc3-3704d8b625e3.space-z.ai](https://www.zero.xyz/host/preview-chat-985505b1-9dc0-470f-9fc3-3704d8b625e3.space-z.ai/llms.txt)