{"uid":"cap_dsS8G6iFBn9TzGJ1b5D19","slug":"polyform-insider-activity-api-1153a60d","name":"Polyform Insider Activity API","description":"Pay-per-call data endpoints for AI agents. USDC on Base via x402. No account, no API key — one micropayment per call.","url":"https://api.polyform.org/v1/finance/insider-activity?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"buys":1,"name":"Apple Inc.","sells":4,"signal":"NET SELLING","window":"120d","netValueUSD":-2100000,"transactions":[]}},"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_GV2Hcxs0Utvugj_glgryy","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":"Returns a summary of insider buying and selling activity (transactions, net value, signal) for a publicly traded company over a rolling time window.","exampleAgentPrompt":"What's the insider trading signal for Apple right now — are executives net buying or net selling shares over the last 120 days?","exampleUseCases":[{"title":"Pre-investment insider sentiment check","prompt":"Before I buy into Nvidia, can you check if company insiders have been net buying or selling their own shares recently and what the overall signal looks like?"},{"title":"Earnings research insider context","prompt":"I'm preparing an earnings report on Microsoft — pull the insider activity summary so I can see how many buys and sells executives made and what the net dollar value is."},{"title":"Bearish signal alert for portfolio stock","prompt":"I hold Amazon in my portfolio — are insiders currently net selling? Give me the transaction count and net value so I can decide whether to hold or exit."}],"resultDescription":"A JSON object containing the company name, a buy count, a sell count, a directional signal string (e.g. 'NET SELLING' or 'NET BUYING'), a time window label, the net value in USD (positive for net buys, negative for net sells), and a list of individual insider transactions.","failureModes":["Unknown or invalid ticker/company name returns an error or empty result","Payment not received or x402 micropayment failure results in a 402 response blocking data delivery","Rate limits or upstream data provider outages may yield partial or stale data","Very small-cap or OTC companies may have no insider transaction data available"],"whenToPreferThis":"Use this endpoint when you need a quick, structured insider sentiment signal for a publicly traded company without setting up an account or API key — ideal for AI agents performing on-demand investment research or due diligence via micropayment. Prefer over full brokerage APIs when you only need insider activity and want pay-per-call pricing without subscription overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T00:46:13.970Z","isFirstParty":false,"canonicalSlug":"polyform-insider-activity-api-1153a60d"}