{"uid":"cap_0H4By_c1k7O4R079XV_f3","slug":"hergert-synthora-crypto-news-feed-d1973cd1","name":"Hergert Synthora Crypto News Feed","description":"SYNTHORA cryptonews: real-time crypto news headlines with sentiment, ranked by importance. Aggregates keyless RSS feeds (CryptoPanic, CoinDesk, CoinTelegraph, Decrypt, Bitcoin Magazine) into deduplicated, freshness-and-source-weighted top headlines, each scored with a lexical bull/bear sentiment (very_bullish.very_bearish) plus an overall market sentiment. Filter by asset (BTC, ETH, SOL, XRP, and more) to get only headlines about that coin. Built for trading and quant agents that need a cheap, fast crypto news + sentiment pulse. Ed25519-signed.","url":"https://api.hergertsynthora.com/v1/cryptonews","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"asset":{"type":"string","description":"Optional ticker to filter headlines, e.g. BTC, ETH, SOL"},"limit":{"type":"integer","maximum":50,"minimum":1,"description":"Max headlines to return (default 10)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__5jYMaWReu2WC56u0FJI4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches aggregated cryptocurrency news headlines with sentiment scores from major crypto media sources, optionally filtered by asset ticker","exampleAgentPrompt":"Pull the latest 15 Bitcoin headlines from across CoinDesk, CoinTelegraph, and Decrypt and tell me the overall sentiment score right now.","exampleUseCases":[{"title":"Pre-trade crypto sentiment check","prompt":"Before I make any moves, can you grab the top 20 BTC headlines right now and tell me whether the overall sentiment is bullish or bearish?"},{"title":"Altcoin news briefing for Solana","prompt":"I want a quick rundown of the latest 10 Solana news stories — include the sentiment on each one so I know which way the market is leaning."},{"title":"General crypto market pulse","prompt":"What's the mood in the crypto market right now? Pull the 15 most recent headlines across all assets and give me the overall sentiment score."}],"resultDescription":"A JSON object containing a list of headlines (up to the requested limit), each with a title, source name, article URL, publication timestamp, and per-article sentiment label (e.g. very_bullish, bearish). Also includes an overall numeric sentiment score, an overall sentiment label, the asset filter applied, the number of results returned, the list of sources queried, and a generated_at timestamp.","failureModes":["Invalid or unrecognized asset ticker returns empty results or error","Limit value outside 1-50 range rejected with validation error","Upstream news source unavailable causes partial or empty results","Payment failure (x402) prevents access to the endpoint","Stale data if upstream sources are delayed or rate-limited"],"whenToPreferThis":"Choose this endpoint when you need aggregated, multi-source crypto news headlines with pre-computed sentiment scores for a specific asset or the broad market. It is preferable to scraping individual news sites manually, and it consolidates CryptoPanic, CoinDesk, CoinTelegraph, Decrypt, and Bitcoin Magazine into a single call. Best suited for real-time trading context, market monitoring, or briefing generation where sentiment polarity matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:51:53.749Z","isFirstParty":false}