{"uid":"cap_P9qQ0KrNAGgSevizjq-9f","slug":"sec-8-k-filing-velocity-spike-detector-2cd3eec7","name":"SEC 8-K Filing Velocity Spike Detector","description":"100+ paid x402 MCP tools for AI agents. Prediction markets, SEC filings, federal data, OSINT, academic research, health, environmental. Pay per call in USDC on Base.","url":"https://tollbooth.memerhuwhite.workers.dev/paid/osint/sec-8k-velocity","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"properties":{"hours":{"type":"integer","maximum":72,"minimum":1},"limit":{"type":"integer","maximum":200,"minimum":10},"min_score":{"type":"number","maximum":1,"minimum":0}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"rows":[],"ratio":3.8,"spike":true,"mean_24h":3.2,"filings_last_1h":12}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Vz_PUc0N1mXLmX5zRywCQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Detects unusual spikes in SEC 8-K filing rates over a configurable time window, returning velocity metrics and anomaly signals for OSINT and market surveillance.","exampleAgentPrompt":"Check if there's an unusual spike in SEC 8-K filings right now — look back over the last 24 hours, return up to 100 results, and only flag anomalies with a score above 0.6.","exampleUseCases":[{"title":"Pre-market corporate event alert","prompt":"It's 8am — check the last 6 hours of SEC 8-K filings and tell me if there's an abnormal spike that might signal a major corporate event. I want up to 50 results and flag anything with an anomaly score above 0.5."},{"title":"Overnight regulatory disclosure surge","prompt":"Did any unusual burst of 8-K filings happen overnight? Check the last 12 hours, limit to 100 filings, and only show me if the velocity ratio looks like a real spike."},{"title":"Real-time market surveillance trigger","prompt":"I'm running a trading watchlist — scan the last 1 hour of 8-K filings for velocity anomalies with a minimum score of 0.8 and tell me if a spike is detected so I can investigate."}],"resultDescription":"Returns a JSON object with: a list of matching 8-K filing rows, the current velocity ratio (e.g. 3.8x above baseline), a boolean spike flag, the mean 24-hour filing rate, and the count of filings in the last hour. Allows agents to quickly determine if 8-K filing activity is statistically anomalous.","failureModes":["Invalid hours value outside 1-72 range returns validation error","limit below 10 or above 200 rejected with schema error","min_score outside 0-1 range causes rejection","No filings found returns empty rows array with spike:false","Upstream SEC EDGAR data unavailability may return stale or error response","Payment failure (insufficient USDC) blocks the call entirely"],"whenToPreferThis":"Use this endpoint when you need real-time or near-real-time statistical anomaly detection on SEC 8-K filing rates rather than fetching individual filings. Prefer this over raw EDGAR search when the goal is surveillance, alerting, or detecting market-moving disclosure bursts — especially in automated trading, OSINT pipelines, or news event detection workflows. It is specifically designed for velocity analysis, not document retrieval.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:44:03.222Z","isFirstParty":false}