{ "openapi": "3.0.1", "info": { "title": "Website Tech Stack Detector (Wappalyzer, BuiltWith alternative)", "description": "Detect 7,000+ technologies on any website: CMS, ecommerce platform, analytics, ad pixels, payment, live chat, CDN, hosting, email provider (DNS) and more. Bulk domains, clean JSON with version, confidence and evidence. 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Duplicates are removed automatically.", "items": { "type": "string" } }, "checkDns": { "title": "Check DNS records", "type": "boolean", "description": "Also look up MX, TXT, NS, SOA and CNAME records. Detects email providers (Google Workspace, Microsoft 365), DNS hosts and SaaS domain verifications that are not visible on the page.", "default": true }, "categoryFilter": { "title": "Only return these categories", "type": "array", "description": "Optional. Keep only technologies in these categories, e.g. \"Ecommerce\", \"CMS\", \"Analytics\", \"Payment processors\", \"Live chat\", \"Marketing automation\". 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Skipped websites are listed in the results and not charged.", "default": true }, "maxConcurrency": { "title": "Max concurrency", "minimum": 1, "maximum": 100, "type": "integer", "description": "How many websites are scanned in parallel.", "default": 20 }, "requestTimeoutSecs": { "title": "Request timeout (seconds)", "minimum": 5, "maximum": 120, "type": "integer", "description": "How long to wait for a website to respond before retrying.", "default": 30 }, "maxRetries": { "title": "Max retries per website", "minimum": 0, "maximum": 5, "type": "integer", "description": "How many times a failing website is retried before it is reported as failed (failed websites are not charged).", "default": 2 }, "proxyConfiguration": { "title": "Proxy configuration", "type": "object", "description": "Optional. Most websites work without a proxy. 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