# Crypto News with Sentiment Scores API

> Crypto News with Sentiment Scores API is a paid API for AI agents from crypto-news.api.klymax402.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).

Returns latest cryptocurrency news articles enriched with sentiment scores and token mentions, optionally filtered by token symbol

## Facts

- Endpoint: GET https://crypto-news.api.klymax402.com/api/news
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/crypto-news-api-klymax402-com-1e94f650
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_MlV08-xwL4j3LQnHfiqxn

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 crypto-news-api-klymax402-com-1e94f650
```

Example prompt: Can you get me the latest 30 crypto news articles mentioning ETH, including their sentiment scores and any token mentions?

## When to prefer this

Use this endpoint when you need real-time crypto news enriched with sentiment scores and token-level filtering in a single call. Prefer this over generic news APIs when you specifically need sentiment-tagged cryptocurrency news with token mention data.

## Known failure modes

- Invalid token symbol returns empty results or error
- Limit exceeding 100 may be rejected or capped
- Rate limiting or payment failure returns 402 or 429
- Service unavailable returns 5xx with no articles

## How this service works

Get latest crypto news with sentiment scores and token mentions

## Output

A list of up to 100 cryptocurrency news articles, each enriched with a sentiment score (positive/negative/neutral or numeric) and the token symbols mentioned in the article. Supports filtering to a specific token like BTC, ETH, or SOL.

## Example request

```json
{
 "input": {
  "type": "http",
  "method": "GET",
  "queryParams": {
   "limit": 10,
   "token": "BTC"
  }
 }
}
```

## 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",
     "required": [],
     "properties": {
      "limit": {
       "type": "number",
       "description": "Number of articles to return (default 20, max 100)."
      },
      "token": {
       "type": "string",
       "description": "Filter by token symbol (e.g. BTC, ETH, SOL). Optional — returns all if omitted."
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/crypto-news-api-klymax402-com-1e94f650/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from crypto-news.api.klymax402.com](https://www.zero.xyz/host/crypto-news.api.klymax402.com/llms.txt)