{"uid":"cap_ZXjfkRwlnoR0q3TZMJTfo","slug":"halowerk-native-stacking-context-paint-order-contraction-detector-c9c0c114","name":"Halowerk Native Stacking Context Paint Order Contraction Detector","description":"A layering debugger needs the native stacking-context forest and DOM sibling-context paint inversions in this offline state.","url":"https://detect.halowerk.com/u/offline-native-stacking-context-paint-order-contraction?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","format":"uri","maxLength":2048}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Vn0S9w8Z2i31SAulmvQb_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes a web page URL to detect and report native CSS stacking-context forest structure and DOM sibling-context paint order inversions for layering debugging.","exampleAgentPrompt":"Can you analyze https://example.com/dashboard for native CSS stacking-context conflicts and paint order inversions so I can figure out why my modal is rendering behind the sidebar?","exampleUseCases":[{"title":"Debugging modal layering behind sidebar","prompt":"My modal keeps appearing behind the navigation sidebar on https://myapp.com/settings — can you detect all the stacking contexts and paint order inversions on that page so I can find the culprit?"},{"title":"Auditing z-index conflicts before launch","prompt":"Before we ship, can you run a stacking-context and paint-order inversion analysis on https://staging.myproduct.com/checkout to make sure there are no hidden layering bugs?"},{"title":"Diagnosing tooltip rendering order","prompt":"The tooltips on https://example.com/pricing are rendering underneath other elements even though they have a high z-index — can you map out the full native stacking-context forest and flag any paint order inversions?"}],"resultDescription":"Returns a structured report of the native CSS stacking-context forest for the given URL, including which DOM elements establish new stacking contexts, their hierarchy, and any detected paint-order inversions between sibling contexts that could cause layering bugs.","failureModes":["Invalid or unreachable URL returns an error indicating the page could not be fetched","Pages with heavy JavaScript rendering may produce incomplete stacking context trees if JS has not fully executed","URLs requiring authentication will likely return incomplete or no stacking context data","Malformed URI input results in a 400-level validation error","Rate limiting or payment failure returns a 402 or 429 response"],"whenToPreferThis":"Use this endpoint when debugging CSS layering issues where z-index behaves unexpectedly, specifically when you need a programmatic, offline-compatible breakdown of the full stacking-context tree and paint-order inversions for a given page URL. Prefer this over manual DevTools inspection when you need structured, machine-readable output for automated layering audits.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-04T06:41:19.185Z","isFirstParty":false,"canonicalSlug":"halowerk-native-stacking-context-paint-order-contraction-detector-c9c0c114"}