Crypto News Feed API
Real-time crypto news with sentiment scores and token mentions. Multi-source aggregation for trading signals. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.
Part of the klymax402 marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.
Quickstart -- MCP
Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):
{
"mcpServers": {
"crypto-news": {
"url": "https://crypto-news.api.klymax402.com/mcp"
}
}
}
Quickstart -- HTTP (x402)
curl "https://crypto-news.api.klymax402.com/api/news"
# -> 402 Payment Required, with an x402 payment challenge in the response body
Any x402-aware client (@x402/fetch, x402-agent-tools, ATXP) handles the 402 -> sign -> retry cycle automatically.
Tools
| Tool | Method | Path | Price | Description |
|---|---|---|---|---|
crypto_get_latest_news | GET | /api/news | $0.005 | Get latest crypto news with sentiment scores and token mentions |
crypto_get_latest_news
Use this when you need the latest crypto news and market-moving headlines. Returns aggregated articles with sentiment in JSON.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
limit | number | no | Number of articles to return (default 20, max 100). |
token | string | no | Filter by token symbol (e.g. BTC, ETH, SOL). Optional β returns all if omitted. |
Returns
articles-- array of news items with title, url, source, publishedAtsentiment-- sentiment score per article (-1 to +1, negative=bearish, positive=bullish)mentionedTokens-- array of token symbols mentioned in each articlecategory-- article category (market, regulation, defi, nft, technology)source-- news source name (CoinGecko, CryptoPanic, RSS)
Example response:
{"articles":[{"title":"ETH breaks $3,200 resistance","url":"https://...","source":"CryptoPanic","publishedAt":"2026-04-13T10:30:00Z","sentiment":0.72,"mentionedTokens":["ETH"],"category":"market"}],"total":20}
When to use: market sentiment analysis, news-driven trading signals, and staying updated on crypto events. Filter by token to get focused news.
Not for: price data (use finance_get_token_price), historical candles (use token_get_ohlcv_history), funding rates (use perp_scan_funding_arbitrage), whale movements (use crypto_track_whale_transactions).
Example agent prompts
- "The latest crypto news and market-moving headlines"
Payment
- Protocol: x402 -- HTTP-native pay-per-call, no signup, no API key
- Network: Base L2 (
eip155:8453) - Asset: USDC
- Facilitator: Coinbase CDP (primary), PayAI (fallback)
- Also reachable via ATXP (OAuth-wrapped x402, RFC 9728 protected-resource metadata)
Part of klymax402
100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.
- Catalog: https://klymax402.com/llms.txt
- Full API reference: https://klymax402.com/llms-full.txt
- Live stats: https://klymax402.com/stats
License
MIT