Integrate with Bun
Add billing and payments to your Bun application.
Use this pre-built prompt to integrate Commet faster with AI assistants.
Install
bun add @commet/nodeConfigure
COMMET_API_KEY=ck_sandbox_xxximport { Commet } from '@commet/node'
export const commet = new Commet({
apiKey: Bun.env.COMMET_API_KEY!,
environment: 'sandbox',
})Subscribe
import { commet } from './commet'
Bun.serve({
port: 3000,
async fetch(req) {
const url = new URL(req.url)
if (url.pathname === '/subscribe' && req.method === 'POST') {
const { customerId, email } = await req.json()
await commet.customers.create({ email, id: customerId })
const subscription = await commet.subscriptions.create({
customerId,
planCode: 'pro',
})
return Response.json({ checkoutUrl: subscription.data.checkoutUrl })
}
return new Response('Not Found', { status: 404 })
},
})Check Access
Add these routes to the fetch handler.
if (url.pathname.startsWith('/subscription/') && req.method === 'GET') {
const customerId = url.pathname.split('/')[2]
const { data } = await commet.subscriptions.get(customerId)
return Response.json({ status: data.status })
}
if (url.pathname.startsWith('/features/') && req.method === 'GET') {
const [, , feature, customerId] = url.pathname.split('/')
const { data } = await commet.features.check({ code: feature, customerId })
return Response.json({ allowed: data.allowed })
}Track Usage
if (url.pathname === '/usage' && req.method === 'POST') {
const { customerId } = await req.json()
await commet.usage.track({
customerId,
feature: 'api_calls',
value: 1,
})
return Response.json({ tracked: true })
}Usage is aggregated and billed at end of period.
Customer Portal
if (url.pathname === '/portal' && req.method === 'GET') {
const customerId = url.searchParams.get('customerId')!
const { data } = await commet.portal.getUrl({ customerId })
return Response.redirect(data.portalUrl)
}Related
How is this guide?