Data embedded in the URL path:<\/p>\n\n\n\n Path parameters are best for resource identification: which product, which user, which post.<\/p>\n\n\n\n Data after the Query parameters are best for metadata: tracking, configuration, and optional modifiers.<\/p>\n\n\n\n Data after the Fragments are rarely used in deep links because they are not sent to the server. Use them only for client-side navigation within a page.<\/p>\n\n\n\n Use UTM parameters<\/a> for campaign attribution:<\/p>\n\n\n\n![\"Tolinku](\"https:\/\/tolinku.com\/blog\/wp-content\/uploads\/2026\/03\/platform-route-form.png\")
\nThe route creation form with basics, behavior, and advanced settings sections.<\/em><\/p>\n\n\n\nParameter Types<\/h2>\n\n\n\n
Path Parameters<\/h3>\n\n\n\n
https:\/\/app.example.com\/products\/abc123\n ^^^^^^\n Path parameter: productId = "abc123"\n\nhttps:\/\/app.example.com\/users\/jane\/posts\/42\n ^^^^ ^^\n userId postId\n<\/code><\/pre>\n\n\n\nQuery Parameters<\/h3>\n\n\n\n
?<\/code> in the URL:<\/p>\n\n\n\nhttps:\/\/app.example.com\/products\/abc123?ref=email&campaign=summer&discount=SAVE20\n ^^^ ^^^^^^^^ ^^^^^^^^\n source campaign promo code\n<\/code><\/pre>\n\n\n\nFragment Parameters<\/h3>\n\n\n\n
#<\/code>:<\/p>\n\n\n\nhttps:\/\/app.example.com\/docs\/guide#section-3\n ^^^^^^^^^\n Scroll to section\n<\/code><\/pre>\n\n\n\nParsing Parameters<\/h2>\n\n\n\n
iOS (Swift)<\/h3>\n\n\n\n
func parseDeepLink(_ url: URL) -> DeepLinkData? {\n guard let components = URLComponents(url: url, resolvingAgainstBaseURL: false) else {\n return nil\n }\n\n \/\/ Path parameters\n let pathComponents = components.path\n .split(separator: "\/")\n .map(String.init)\n\n \/\/ Query parameters\n let queryItems = components.queryItems ?? []\n let queryDict = Dictionary(\n uniqueKeysWithValues: queryItems.compactMap { item in\n item.value.map { (item.name, $0) }\n }\n )\n\n \/\/ Example: \/products\/abc123?ref=email\n if pathComponents.first == "products", let productId = pathComponents.dropFirst().first {\n return DeepLinkData(\n screen: .product(id: String(productId)),\n source: queryDict["ref"],\n campaign: queryDict["campaign"],\n discountCode: queryDict["discount"]\n )\n }\n\n return nil\n}\n<\/code><\/pre>\n\n\n\nAndroid (Kotlin)<\/h3>\n\n\n\n
fun parseDeepLink(uri: Uri): DeepLinkData? {\n \/\/ Path parameters\n val pathSegments = uri.pathSegments\n\n \/\/ Query parameters\n val ref = uri.getQueryParameter("ref")\n val campaign = uri.getQueryParameter("campaign")\n val discount = uri.getQueryParameter("discount")\n\n \/\/ Example: \/products\/abc123?ref=email\n if (pathSegments.firstOrNull() == "products" && pathSegments.size >= 2) {\n val productId = pathSegments[1]\n return DeepLinkData(\n screen = Screen.Product(productId),\n source = ref,\n campaign = campaign,\n discountCode = discount\n )\n }\n\n return null\n}\n<\/code><\/pre>\n\n\n\nTypeScript (Server-Side)<\/h3>\n\n\n\n
function parseDeepLink(url: string): DeepLinkData | null {\n const parsed = new URL(url);\n const segments = parsed.pathname.split('\/').filter(Boolean);\n\n \/\/ Path parameter extraction with pattern matching\n const routes: RoutePattern[] = [\n { pattern: ['products', ':productId'], screen: 'ProductDetail' },\n { pattern: ['users', ':userId', 'posts', ':postId'], screen: 'Post' },\n { pattern: ['offers', ':offerId'], screen: 'Offer' },\n { pattern: ['referral', ':referrerId'], screen: 'Referral' },\n ];\n\n for (const route of routes) {\n const params = matchRoute(segments, route.pattern);\n if (params) {\n return {\n screen: route.screen,\n pathParams: params,\n queryParams: Object.fromEntries(parsed.searchParams),\n };\n }\n }\n\n return null;\n}\n\nfunction matchRoute(\n segments: string[],\n pattern: string[]\n): Record<string, string> | null {\n if (segments.length !== pattern.length) return null;\n\n const params: Record<string, string> = {};\n for (let i = 0; i < pattern.length; i++) {\n if (pattern[i].startsWith(':')) {\n params[pattern[i].substring(1)] = segments[i];\n } else if (pattern[i] !== segments[i]) {\n return null;\n }\n }\n return params;\n}\n<\/code><\/pre>\n\n\n\nCommon Parameter Patterns<\/h2>\n\n\n\n
Campaign Tracking (UTM)<\/h3>\n\n\n\n
https:\/\/app.example.com\/offers\/summer?utm_source=email&utm_medium=newsletter&utm_campaign=july-promo&utm_content=hero-banner\n<\/code><\/pre>\n\n\n\n