{"uid":"cap_-GmdQUqzge0mbLgWK5xgm","slug":"vibe-springs-crypto-news-feed-with-sentiment-analysis-b2846234","name":"Vibe Springs Crypto News Feed with Sentiment Analysis","description":"Real-time aggregated cryptocurrency news feed with lexicon-based sentiment analysis and cross-outlet story clustering. Filters by topic, time-range, and sentiment bands.","url":"https://vibesprings.net/api/news/crypto","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":"integer","description":"Max articles to return (1-50, default 20)"},"since":{"type":"string","description":"ISO timestamp or shorthand '1h', '6h', '24h'"},"topic":{"type":"string","description":"Comma-separated keywords (e.g. 'bitcoin,ethereum')"},"maxSentiment":{"type":"number","description":"Maximum sentiment score (-1 to 1)"},"minSentiment":{"type":"number","description":"Minimum sentiment score (-1 to 1)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"meta":{"returned":1,"sourcesDown":1,"oldestArticle":"2026-07-03T18:00:00Z","totalMatching":1,"sourcesHealthy":9,"freshestArticle":"2026-07-03T18:00:00Z"},"articles":[{"id":"a1b2c3d4","link":"https://example.com/btc-100k","title":"Bitcoin Breaks Out Above $100k Amid Strong ETF Inflows","source":"CoinDesk","summary":"Bitcoin surged past the historic $100k mark today as ETF inflows set new records.","sourceId":"coindesk","publishedAt":"2026-07-03T18:00:00Z","scoredTerms":["breakout","surge","strong"],"sourceWeight":0.9,"alsoReportedBy":2,"sentimentLabel":"bullish","sentimentScore":0.75}],"processingTime":"15ms"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Zy0u8xOs36r2OQDL9ZE3U","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a real-time aggregated cryptocurrency news feed with lexicon-based sentiment scores and cross-outlet story clustering, filterable by topic, time range, and sentiment bands.","exampleAgentPrompt":"Pull the top 10 Bitcoin and Ethereum news articles from the last 6 hours and only show me the ones with a positive sentiment score above 0.3.","exampleUseCases":[{"title":"Monitor sentiment shifts in altcoin markets","prompt":"Track the sentiment of news about Solana and Polygon over the last 24 hours — show me both the bullish and bearish articles so I can understand what's driving price movements."},{"title":"Alert on negative crypto news clusters","prompt":"Find all the negative sentiment cryptocurrency stories from today grouped by topic, so I can see what problems the industry is facing and which coins are getting bad press."},{"title":"Identify emerging bullish narratives","prompt":"Give me the most recent crypto news articles with positive sentiment from the past 12 hours, clustered by story, so I can spot which narratives are gaining traction in the market."}],"resultDescription":"A list of up to 50 aggregated crypto news articles, each with a sentiment score between -1 and 1, publication timestamp, source outlet, and story cluster grouping. Results are filtered by the requested topic keywords, time range, and sentiment band.","failureModes":["Invalid 'since' format returns a 400 error — use ISO timestamp or shorthands like '1h', '6h', '24h'","minSentiment or maxSentiment out of range (-1 to 1) returns a 400 validation error","limit exceeding 50 returns a 400 error","No articles matching the filters returns an empty result set","Payment failure (x402) returns a 402 response requiring valid USDC payment","Topic keyword with no matching articles returns empty array"],"whenToPreferThis":"Choose this endpoint when you need real-time cryptocurrency news with sentiment scoring baked in, especially when you want to filter by mood (bullish/bearish) or cluster related stories across multiple outlets. Prefer it over generic news APIs when crypto-specific topic filtering and sentiment bands are required in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:45:24.642Z","isFirstParty":false}