# signals.edge.report Crypto News Brief

> signals.edge.report Crypto News Brief is a paid API for AI agents from signals.edge.report, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).

Returns ranked crypto news headlines with source URLs and heuristic sentiment scores, filtered by topic (crypto, base, or defi)

## Facts

- Endpoint: GET https://signals.edge.report/v1/brief
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/signals-edge-report-crypto-news-brief-c9b71362
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_8pTYDmAmkb0PmR9LMmRYf

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 signals-edge-report-crypto-news-brief-c9b71362
```

Example prompt: Give me a ranked digest of the top 10 crypto news headlines with sentiment right now, focused on DeFi.

## When to prefer this

Choose this endpoint when you need a fast, pre-ranked crypto/DeFi/Base news digest with sentiment signals and no requirement for a search API key. It's ideal for agentic workflows that need context about current market events without complex setup. Prefer it over general web search APIs when the topic is specifically crypto, Base, or DeFi and you want structured, ranked output rather than raw search results.

## Known failure modes

- Invalid topic value (not 'crypto', 'base', or 'defi') may return an error or default to crypto
- Limit outside 3-20 range may be clamped or cause a validation error
- Upstream news source unavailability may result in stale or empty results
- Payment failure (x402) if USDC balance is insufficient

## How this service works

Crypto news brief for agents: ranked headlines with source URLs and heuristic sentiment. Topics: crypto, base, defi. Fresh research digest without a search API key.

## Output

A ranked list of news headlines (between 3 and 20 depending on the limit parameter), each with a source URL and a heuristic sentiment indicator (e.g. positive, negative, neutral), covering the requested topic area (crypto, base, or defi). No search API key is required to access the results.

## 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"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "limit": {
       "type": "string",
       "description": "Max headlines to return (3-20)"
      },
      "topic": {
       "type": "string",
       "description": "News topic filter: crypto (default), base, or defi"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "count": 1,
  "topic": "crypto",
  "product": "edge-signals-brief",
  "headlines": [
   {
    "url": "https://cointelegraph.com/example",
    "title": "Bitcoin holds above key level",
    "source": "CoinTelegraph",
    "sentiment": "neutral",
    "publishedAt": "2026-08-08T12:00:00.000Z"
   }
  ],
  "sentiment": {
   "neutral": 1,
   "negative": 0,
   "positive": 0
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/signals-edge-report-crypto-news-brief-c9b71362/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from signals.edge.report](https://www.zero.xyz/host/signals.edge.report/llms.txt)