@polar-sh/express
Payments and Checkouts made dead simple with Express
pnpm install @polar-sh/express zod
CheckoutCopied!
Create a Checkout handler which takes care of redirections.
import express from 'express'
import { Checkout } from "@polar-sh/express";
const app = express();
app.get('/checkout', Checkout({
accessToken: 'xxx', // Or set an environment variable to POLAR_ACCESS_TOKEN
successUrl: process.env.SUCCESS_URL,
server: "sandbox", // Use sandbox if you're testing Polar - omit the parameter or pass 'production' otherwise
}));
Query ParamsCopied!
Pass query params to this route.
-
productId (or productPriceId)
?productId=xxx
-
productPriceId (or productId)
?productPriceId=xxx
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customerId (optional)
?productId=xxx&customerId=xxx
-
customerEmail (optional)
?productId=xxx&[email protected]
-
customerName (optional)
?productId=xxx&customerName=Jane
-
metadata (optional)
URL-Encoded JSON string
Customer PortalCopied!
Create a customer portal where your customer can view orders and subscriptions.
import express from 'express'
import { CustomerPortal } from "@polar-sh/express";
const app = express()
app.get('/portal', CustomerPortal({
accessToken: 'xxx', // Or set an environment variable to POLAR_ACCESS_TOKEN
getCustomerId: (event) => "", // Fuction to resolve a Polar Customer ID
server: "sandbox", // Use sandbox if you're testing Polar - omit the parameter or pass 'production' otherwise
}))
WebhooksCopied!
A simple utility which resolves incoming webhook payloads by signing the webhook secret properly.
import express from 'express'
import { Webhooks } from "@polar-sh/express";
const app = express()
app
.use(express.json())
.post('/polar/webhooks', Webhooks({
webhookSecret: process.env.POLAR_WEBHOOK_SECRET!,
onPayload: async (payload) => /** Handle payload */,
}))
Payload HandlersCopied!
The Webhook handler also supports granular handlers for easy integration.
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onCheckoutCreated: (payload) =>
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onCheckoutUpdated: (payload) =>
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onOrderCreated: (payload) =>
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onSubscriptionCreated: (payload) =>
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onSubscriptionUpdated: (payload) =>
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onSubscriptionActive: (payload) =>
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onSubscriptionCanceled: (payload) =>
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onSubscriptionRevoked: (payload) =>
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onProductCreated: (payload) =>
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onProductUpdated: (payload) =>
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onOrganizationUpdated: (payload) =>
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onBenefitCreated: (payload) =>
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onBenefitUpdated: (payload) =>
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onBenefitGrantCreated: (payload) =>
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onBenefitGrantUpdated: (payload) =>
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onBenefitGrantRevoked: (payload) =>