{"uid":"cap_K6SdFVF1DCM0BRdBHwweN","slug":"quietsignal-l2beat-changes-feed-87b1bb8b","name":"QuietSignal L2BEAT Changes Feed","description":"QuietSignal Public Data: independent, read-only rollup, wallet, opportunity, and developer-data facts for agents, paid per request with USDC over HTTP 402 on Base.","url":"https://83-29-153-50.sslip.io/v1/l2beat-changes","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","required":[],"properties":{"tab":{"enum":["rollups","validiumsAndOptimiums","others"],"type":"string","description":"Optional L2BEAT category filter"},"limit":{"type":"integer","maximum":100,"minimum":1,"description":"Maximum number of changes to return"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"schema":"l2beat-changes/v1","comparison":{"changes":[],"change_count":0,"baseline_available":false},"disclaimer":"Material changes detected from public third-party data; verify independently. The current upstream terms do not expressly grant a commercial redistribution license; confirm commercial rights independently before scaling."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"down","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_XJQOlTV6W9c32pHi3CeMo","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns machine-readable rollup of recent material changes detected from L2BEAT public data, filterable by L2 category","exampleAgentPrompt":"Pull the latest L2BEAT changes for me — show up to 50 results and filter to just rollups so I can see what's shifted recently in the rollup category.","exampleUseCases":[{"title":"Daily L2 ecosystem change digest","prompt":"Every morning, grab the latest changes from the L2BEAT feed for all categories and summarize what's new or different in the rollup space — up to 100 items."},{"title":"Validium and optimium monitoring","prompt":"Check for any recent material changes to validiums and optimiums on L2BEAT and let me know if anything significant has shifted — limit to the top 20 results."},{"title":"Automated rollup classification tracker","prompt":"Fetch the most recent L2BEAT rollup changes and tell me if there are any new entries or reclassifications I should know about, up to 50 results."}],"resultDescription":"A JSON object with schema version 'l2beat-changes/v1', a comparison block containing an array of detected changes, a change_count integer, a baseline_available boolean indicating whether a prior snapshot exists for diffing, and a disclaimer about data provenance and commercial redistribution rights.","failureModes":["No baseline available — baseline_available returns false and changes array is empty if no prior snapshot exists for comparison","Invalid tab enum value returns a validation error","Limit out of range (below 1 or above 100) returns a validation error","HTTP 402 if USDC payment via x402 protocol is not provided or insufficient","Upstream L2BEAT data temporarily unavailable causing stale or empty results"],"whenToPreferThis":"Choose this endpoint when you need structured, machine-readable change detection on L2BEAT data without scraping L2BEAT directly — particularly useful for agents monitoring the Layer 2 ecosystem for new rollups, validium reclassifications, or other material project changes. Prefer it over raw web scraping when you need a paid-per-request, pay-as-you-go model via USDC on Base with no API key setup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T21:26:36.105Z","isFirstParty":false}