You can use the following code sample to explore using parameters and different content types with next/og. To learn more about OG Image Generation, see Open Graph Image Generation.
Create an API route handler:
app/api/og/route.tsx
import { ImageResponse } from 'next/og';// App router includes @vercel/og.// No need to install it.
export async function GET() { return new ImageResponse( ( <div style={{ display: 'flex', fontSize: 40, color: 'black', background: 'white', width: '100%', height: '100%', textAlign: 'center', justifyContent: 'center', alignItems: 'center', }} > <svg fill="black" viewBox="0 0 284 65"> <path d="M141.68 16.25c-11.04 0-19 7.2-19 18s8.96 18 20 18c6.67 0 12.55-2.64 16.19-7.09l-7.65-4.42c-2.02 2.21-5.09 3.5-8.54 3.5-4.79 0-8.86-2.5-10.37-6.5h28.02c.22-1.12.35-2.28.35-3.5 0-10.79-7.96-17.99-19-17.99zm-9.46 14.5c1.25-3.99 4.67-6.5 9.45-6.5 4.79 0 8.21 2.51 9.45 6.5h-18.9zm117.14-14.5c-11.04 0-19 7.2-19 18s8.96 18 20 18c6.67 0 12.55-2.64 16.19-7.09l-7.65-4.42c-2.02 2.21-5.09 3.5-8.54 3.5-4.79 0-8.86-2.5-10.37-6.5h28.02c.22-1.12.35-2.28.35-3.5 0-10.79-7.96-17.99-19-17.99zm-9.45 14.5c1.25-3.99 4.67-6.5 9.45-6.5 4.79 0 8.21 2.51 9.45 6.5h-18.9zm-39.03 3.5c0 6 3.92 10 10 10 4.12 0 7.21-1.87 8.8-4.92l7.68 4.43c-3.18 5.3-9.14 8.49-16.48 8.49-11.05 0-19-7.2-19-18s7.96-18 19-18c7.34 0 13.29 3.19 16.48 8.49l-7.68 4.43c-1.59-3.05-4.68-4.92-8.8-4.92-6.07 0-10 4-10 10zm82.48-29v46h-9v-46h9zM37.59.25l36.95 64H.64l36.95-64zm92.38 5l-27.71 48-27.71-48h10.39l17.32 30 17.32-30h10.39zm58.91 12v9.69c-1-.29-2.06-.49-3.2-.49-5.81 0-10 4-10 10v14.8h-9v-34h9v9.2c0-5.08 5.91-9.2 13.2-9.2z" /> </svg> </div> ), { width: 1200, height: 630, }, );}app/about/opengraph-image.jsx
import { ImageResponse } from 'next/og';// App router includes @vercel/og.// No need to install it.
export async function GET() { return new ImageResponse( ( <div style={{ display: 'flex', fontSize: 40, color: 'black', background: 'white', width: '100%', height: '100%', textAlign: 'center', justifyContent: 'center', alignItems: 'center', }} > <svg fill="black" viewBox="0 0 284 65"> <path d="M141.68 16.25c-11.04 0-19 7.2-19 18s8.96 18 20 18c6.67 0 12.55-2.64 16.19-7.09l-7.65-4.42c-2.02 2.21-5.09 3.5-8.54 3.5-4.79 0-8.86-2.5-10.37-6.5h28.02c.22-1.12.35-2.28.35-3.5 0-10.79-7.96-17.99-19-17.99zm-9.46 14.5c1.25-3.99 4.67-6.5 9.45-6.5 4.79 0 8.21 2.51 9.45 6.5h-18.9zm117.14-14.5c-11.04 0-19 7.2-19 18s8.96 18 20 18c6.67 0 12.55-2.64 16.19-7.09l-7.65-4.42c-2.02 2.21-5.09 3.5-8.54 3.5-4.79 0-8.86-2.5-10.37-6.5h28.02c.22-1.12.35-2.28.35-3.5 0-10.79-7.96-17.99-19-17.99zm-9.45 14.5c1.25-3.99 4.67-6.5 9.45-6.5 4.79 0 8.21 2.51 9.45 6.5h-18.9zm-39.03 3.5c0 6 3.92 10 10 10 4.12 0 7.21-1.87 8.8-4.92l7.68 4.43c-3.18 5.3-9.14 8.49-16.48 8.49-11.05 0-19-7.2-19-18s7.96-18 19-18c7.34 0 13.29 3.19 16.48 8.49l-7.68 4.43c-1.59-3.05-4.68-4.92-8.8-4.92-6.07 0-10 4-10 10zm82.48-29v46h-9v-46h9zM37.59.25l36.95 64H.64l36.95-64zm92.38 5l-27.71 48-27.71-48h10.39l17.32 30 17.32-30h10.39zm58.91 12v9.69c-1-.29-2.06-.49-3.2-.49-5.81 0-10 4-10 10v14.8h-9v-34h9v9.2c0-5.08 5.91-9.2 13.2-9.2z" /> </svg> </div> ), { width: 1200, height: 630, }, );}If you're not using a framework, you must either add "type": "module" to your package.json or change your JavaScript Functions' file extensions from .js to .mjs
Preview the OG route locally by running the following command:
terminal
pnpm devThen, browse to http://localhost:3000/api/og. You will see the following image:
