{"method":"POST","endpoint":"/paid/screenshot","description":"Capture a PNG screenshot of any public URL — full page or just the viewport, at a chosen size — returned base64-encoded. Backed by a headless browser.","payment":{"protocol":"x402","price":"$0.03","network":"base","asset":"USDC"},"usage":"POST /paid/screenshot with a JSON body. An unpaid request returns an x402 HTTP 402 challenge; sign the USDC payment on Base and retry.","schema":"https://api.agishub.com/openapi.json"}