How to take screenshots and generate PDFs in Swift

How to Take Screenshots and Generate PDFs in Swift On iOS, generating a PDF from a URL typically means loading a WKWebView , waiting for it to render, then using UIGraphicsPDFRenderer to draw it — a multi-step process that requires a UI context and doesn't work in background tasks or server-side Swift. On server-side Swift (Vapor), the options are similarly heavy: spawn a Puppeteer process or shell out to wkhtmltopdf. Here's the simpler path: one URLSession call, binary response. Works in iOS apps, macOS utilities, and Vapor backends. Screenshot from a URL (Swift concurrency) import Foundation class PageBoltClient { private let apiKey = ProcessInfo . processInfo . environment [ "PAGEBOLT_API_KEY" ] ?? "" private let baseURL = URL ( string : "https://pagebolt.dev/api/v1" ) ! func screenshot ( url : String ) async throws -> Data { var request = URLRequest ( url : baseURL . appendingPathComponent ( "screenshot" )) request . httpMethod = "POST" request . setValue ( apiKey , forHTTPHeaderFi