{"uid":"cap_6BnzuaROuAammJbq1cIBC","slug":"signal-ledger-author-scorecard-442e8baa","name":"Signal Ledger Author Scorecard","description":"Financial author track record / 财经作者历史成绩. Look up resolved stock-market claims, sample size, hit rate, Wilson confidence interval, direction breakdown, coverage and freshness for an X/Twitter finance creator. Useful for creator credibility and investment-influencer due diligence.","url":"https://43-135-4-66.sslip.io/v1/authors/:handle/scorecard","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AFVSrHY_XNomgdKdr3-hJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a credibility scorecard for an X/Twitter finance creator, including their stock-market claim resolution stats, hit rate, Wilson confidence interval, direction breakdown, and coverage freshness.","exampleAgentPrompt":"Can you pull up the Signal Ledger scorecard for @CathieDWood on X — I want to see her stock-market claim hit rate, sample size, Wilson confidence interval, and how fresh the data is before I decide whether to follow her calls?","exampleUseCases":[{"title":"Pre-investment influencer due diligence","prompt":"Before I act on any of @HedgeyeRisk's stock calls, can you check their Signal Ledger scorecard — specifically their hit rate, sample size, and Wilson confidence interval so I know if their track record is statistically meaningful?"},{"title":"Comparing competing finance creators","prompt":"I follow two finance guys on X — @LongShortTrader and @DeepValueDave. Can you pull up their Signal Ledger scorecards so I can compare their resolved claim hit rates and direction breakdowns side by side?"},{"title":"Screening a newsletter recommendation","prompt":"Someone just recommended I subscribe to a paid stock newsletter whose author posts on X as @QuarterlyAlpha — can you look up their author scorecard on Signal Ledger and tell me how many claims have been resolved, what their hit rate is, and whether the coverage is fresh?"}],"resultDescription":"Returns a scorecard for the specified X/Twitter finance creator including: number of resolved stock-market claims (sample size), overall hit rate, Wilson score confidence interval, breakdown of directional calls (bullish/bearish accuracy), coverage scope, and data freshness timestamp.","failureModes":["Handle not found or not indexed — returns 404 or empty scorecard","Insufficient resolved claims for statistically meaningful results — low sample size warning","Stale data if the author has not posted recently — low freshness score","Rate limiting or payment failure — 402/429 error","Invalid handle format — 400 bad request"],"whenToPreferThis":"Choose this endpoint when you need a statistically grounded, evidence-linked credibility check on a specific X/Twitter finance creator — particularly when evaluating whether to trust or act on their stock-market calls. It is purpose-built for investment-influencer due diligence and provides Wilson confidence intervals that generic social media analytics tools do not offer.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:43:08.809Z","isFirstParty":false}