{"uid":"cap_MXFpC64AXNYEZtn_AXFwY","slug":"messari-news-sources-discovery-807dc117","name":"Messari News Sources Discovery","description":"Discover news sources and coverage channels.","url":"https://api.messari.io/news/v1/news/sources?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"page":{"type":"integer","minimum":1},"limit":{"type":"integer","minimum":1}}},"responseSchema":{"example":{"data":[{"id":"coindesk","sourceName":"CoinDesk","sourceType":"news"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.75","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":"$0.75/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.75","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.75","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_gkyA3x0exbzDZMDEll1OW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.75","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a list of crypto news sources and coverage channels tracked by Messari","exampleAgentPrompt":"Show me all the crypto news sources and coverage channels that Messari tracks, so I know which publishers are available to filter the news feed by.","exampleUseCases":null,"resultDescription":"A list of news source objects, each containing a source ID (e.g. 'coindesk'), a human-readable source name (e.g. 'CoinDesk'), and a source type (e.g. 'news'), representing all coverage channels indexed by Messari.","failureModes":["Invalid or malformed request body returns 400 error","Authentication failure or missing API key returns 401/403","Rate limit exceeded returns 429","Service unavailable returns 503","Empty data array if no sources are currently indexed"],"whenToPreferThis":"Use this endpoint when you need to enumerate available news publishers before filtering a Messari news feed, or when building a UI that lets users select specific crypto news sources. Prefer this over manually guessing source IDs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T18:31:39.309Z","isFirstParty":false,"canonicalSlug":"messari-news-sources-discovery-807dc117"}