Turn your software into a business with 6 lines of code
Powering billing for thousands of startups
Framework Adapters
Integrate in under a minute
Next.js Adapter
Payments and Checkouts made dead simple with Next.js
Secure & Simple Checkouts
Integrated Customer Portal
Granular & Reliable Webhook Handler
Global Merchant of Record
import { Checkout } from "@polar-sh/nextjs";
export const GET = Checkout({
accessToken: 'xxx'
});Ingestion Based Billing
Usage Based Billing on Autopilot
LLM Strategy
Capture your Customer's LLM Usage & bill them for it
Automatic Token Consumption Ingestion
Prompt & Completion Tokens
Vercel AI SDK Support
import { Ingestion } from "@polar-sh/ingestion";
import { LLMStrategy } from "@polar-sh/ingestion/strategies/LLM";
import { generateText } from "ai";
import { openai } from "@ai-sdk/openai";
const llmIngestion = Ingestion({ accessToken: 'xxx' })
.strategy(new LLMStrategy(openai("gpt-4o")))
.ingest("openai-usage");
export async function POST(req: Request) {
const { prompt }: { prompt: string } = await req.json();
const model = llmIngestion.client({
externalCustomerId: "<USER_ID_FROM_YOUR_DATABASE>",
});
const { text } = await generateText({
model,
system: "You are a helpful assistant.",
prompt,
});
return Response.json({ text });
}Built for simplicity
Powerful Checkouts made simple
Polar as Merchant of Record
Forget all about billing & taxes. We handle it all for you as the merchant of record.
Sales Tax, VAT, GST, etc.
Withdraw with Stripe Connect
Detailed Transactions Ledger
Testimonials
Why people love Polar
Competitive Pricing
Polar is proud to be the cheapest Merchant of Record on the market.
4% + 40¢ per transaction
No hidden fees
Global Merchant of Record
Negotiated Volume Discounts
| Feature | Polar | Stripe |
|---|---|---|
| Payment Processing | ||
| Subscription Management | ||
| Merchant of Record | ||
| Global Tax Compliance | ||
| Framework Adapters | ||
| Payments in 6 lines of code | ||
| Flexible Usage Billing |