Signal Ledger Research API

Endpoints (6 live)

• GET /v1/filings/risk-check-by-symbol/AAPL — SEC filing risk analysis by stock symbol / 按股票代码自动做财报风险体检. Submit a US ticker, report type and period; the service retrieves the official SEC filing and company facts, identifies its source and period, extracts key metrics, analyzes accounting, earnings-quality, cash-flow, debt/liquidity and governance risks, and returns traceable evidence with SEC URLs. GET discovery alias; report_type defaults to 10-K and period defaults to latest. (0.25 USDC on Base)
• GET /v1/authors/:handle/scorecard — 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. (0.02 USDC on Base)
• POST /v1/filings/risk-check-by-symbol — SEC filing risk analysis by stock symbol / 按股票代码自动做财报风险体检. Submit a US ticker, report type and period; the service retrieves the official SEC filing and company facts, identifies its source and period, extracts key metrics, analyzes accounting, earnings-quality, cash-flow, debt/liquidity and governance risks, and returns traceable evidence with SEC URLs. (0.25 USDC on Base)
• POST /v1/filings/risk-check — Financial statement risk analysis / 财报风险体检. Analyze supplied SEC filing or financial-report text for accounting red flags, earnings quality, cash-flow anomalies, debt/liquidity, governance and data-quality issues. Returns structured risk scores, exact evidence quotes, filing period, freshness, missing information, follow-up actions and traceable source URLs. (0.25 USDC on Base)
• POST /v1/filings/coverage-check — Financial statement coverage check / 财报可分析性检查. Verify whether supplied filing text contains the statements, period, metric basis and original source needed for reliable analysis before buying a full audit. Deterministic; no AI. (0.005 USDC on Base)
• POST /v1/filings/risk-scan — Financial statement quick risk scan / 财报快速风险扫描. Find up to five highest-priority accounting red flags, earnings-quality issues, cash-flow anomalies, debt/liquidity and governance risks in supplied 10-K, 10-Q or report text. Returns structured scores, evidence quotes and source links. (0.05 USDC on Base)