{"uid":"cap_Tk4WSAlmky2S4GggFw_pB","slug":"chronicapulse-historical-event-research-7db5bb97","name":"ChronicaPulse Historical Event Research","description":"Historical event research for research and historian agents. Returns how newspapers covered wars, disasters, social movements, and world events as primary sources.","url":"https://chronicapulse.theaslangroupllc.com/api/chronica/event?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","errors":{"400":{"example":{"error":"event parameter required"},"description":"Invalid or missing parameter(s) — required: event. Returned before the payment gate on paid requests, so a malformed call is never charged. JSON body: { error: <what is wrong and how to fix it> } plus usage hints."},"402":{"description":"Payment required — x402 v2 challenge; the accepts array lists scheme, network, and amount. Retry the same request with a PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1) header. Verification is free."},"500":{"example":{"error":"upstream_failed"},"description":"Unexpected server error. If a payment settled without a usable result, contact info@theaslangroupllc.com with the settlement tx hash for a re-run or credit."}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.08","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":{"p10Cents":"8.0000","medianCents":"8.0000","p90Cents":"8.0000","minCents":"8.0000","maxCents":"8.0000","p95Cents":"8.0000","sampleCount":1,"varies":false,"failureChargeRate":1},"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.08/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.08","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.08","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ObeAXUHPAx56jDxMnnWpp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.08","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns primary-source newspaper coverage of historical wars, disasters, social movements, and world events as they were reported at the time.","exampleAgentPrompt":"Can you pull up how newspapers actually covered the 1918 Spanish flu pandemic — I want primary source reporting from that era, not modern summaries.","exampleUseCases":[{"title":"Authentic accounts of the Great Depression era","prompt":"I'm writing about how ordinary people experienced the Great Depression. Can you find me actual newspaper articles from the time so I can see what was really being reported and how people were talking about it then?"},{"title":"Civil rights movement newspaper documentation","prompt":"Help me dig up how the major newspapers actually covered the civil rights movement protests and events as they happened. I need the real contemporary reporting, not what textbooks say about it today."},{"title":"Pearl Harbor attack primary source coverage","prompt":"Pull the newspaper articles from right after Pearl Harbor was attacked. I want to see how the press reported it in real-time, with the actual headlines and stories from that moment, not the historical perspective."}],"resultDescription":"The agent receives historical newspaper articles and coverage showing how journalists and publications reported on the specified event at the time it occurred, including article excerpts, publication names, and dates — serving as primary source material for research.","failureModes":["Event too recent or not yet historically archived — returns no results","Event name too ambiguous — returns mixed or unrelated coverage","Date range too narrow to capture meaningful coverage","Unrecognized event identifier — returns empty result set","Network timeout on large event queries"],"whenToPreferThis":"Use this endpoint when an agent needs authentic primary-source newspaper coverage of a specific historical event — wars, disasters, social movements, or world events — rather than modern secondary analysis. Best for historian agents, research agents, or academic workflows that require how events were contemporaneously reported rather than how they are described today.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T19:05:17.952Z","isFirstParty":false,"canonicalSlug":"chronicapulse-historical-event-research-7db5bb97"}