{"uid":"cap_Khx7QNUGbY0hViFKYHOmi","slug":"crypto-news-signal-da9fe07a","name":"Crypto News Signal","description":"Crypto News Signal: recent CoinDesk, Cointelegraph, and Decrypt headlines filtered by topic, with source links, summaries, publish times, positive/negative keyword hits, sentiment counts, and aggregate market tone for trading, newsletter, and crypto-research agents.","url":"https://76.13.79.47.nip.io/token-signal-x402/v1/crypto-news-signal","method":"GET","headers":{},"bodySchema":{"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","default":"12"},"query":{"type":"string","default":"bitcoin"}}}}},"output":{"type":"object","properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0RTdYFtGKtVUQMh1iDsmO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches recent crypto news headlines with heuristic sentiment analysis, keyword hits, source links, summaries, and aggregate market tone from public no-key feeds","exampleAgentPrompt":"Pull the latest crypto news headlines for bitcoin — I want the sentiment breakdown, positive and negative keyword hits, and an overall market tone summary, give me the top 12 results.","exampleUseCases":[{"title":"Pre-trade sentiment check for BTC","prompt":"Before I place my bitcoin trade, can you grab the latest 12 crypto news headlines for bitcoin, show me the sentiment scores and overall market tone so I know if the mood is bullish or bearish right now?"},{"title":"Ethereum research briefing","prompt":"I'm researching ethereum — can you pull the most recent crypto news for ETH, give me the article summaries and source links, and tell me whether the aggregate market tone is positive or negative based on keyword hits?"},{"title":"Crypto market mood monitoring","prompt":"Keep an eye on the general crypto market mood — fetch the latest 12 headlines with sentiment analysis and let me know if there's a strong positive or negative shift in the aggregate tone compared to usual."}],"resultDescription":"Returns a list of recent crypto news articles including headlines, summaries, source links, positive and negative keyword hits per article, individual heuristic sentiment scores, and an aggregate market tone indicator reflecting the overall mood across fetched articles","failureModes":["Public feed unavailable or rate-limited, returning empty results or error","Query keyword returns no matching articles","Payment of $0.001 USDC not processed, resulting in 402 response","Invalid query parameter type causing schema validation error","Limit parameter out of expected range returning default or error"],"whenToPreferThis":"Choose this endpoint when you need low-cost, no-API-key crypto news sentiment with keyword-level heuristic scoring and aggregate market tone — ideal for trading agents, research bots, or market monitors that need quick sentiment signals without configuring external news API credentials. Prefer alternatives if you need real-time streaming data, deep NLP-based sentiment models, or news from non-crypto domains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:31:37.817Z","isFirstParty":false}