Payments, Usage & Billing
Sell SaaS with flexible pricing models or bill users for usage like AI token consumption.
Customer Management
Advanced customer lifecycle management with detailed profiles & analytics.
Global Merchant of Record
Sit back, relax, while we handle all headaches & tax compliance. No sales tax to worry about.
Event to revenue.
End-to-end.
Polar makes it incredibly easy to monetize your software. Usage billing using event ingestion, SaaS tiers or one-off purchases.
- CHECKOUT
Secure & robust checkouts that converts users to customers
- USAGE EVENTS
Capture API calls, token consumption & custom events
- METERING
Aggregate usage, enforce rate limits & quotas per customer
- INVOICING
Generate itemized invoices for each billing period
Usage Billing on Autopilot
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 } = await req.json();
const model = llmIngestion.client({
externalCustomerId: "user_123",
});
const { text } = await generateText({
model,
system: "You are a helpful assistant.",
prompt,
});
return Response.json({ text });
}import { Checkout } from "@polar-sh/nextjs";
export const GET = Checkout({
accessToken: 'xxx'
});Define tiers.
Ship feature flags.
Define feature flags as benefits and attach them to your subscription tiers. Polar automatically enables and revokes them as customers subscribe and churn.
Trusted by industry leaders
Polar's Python SDK and Webhook infrastructure made our billing integration straightforward.
It gave us production-ready billing in hours, not weeks.
It's rare to find a vendor that moves this fast.
—
Polar was a turning point for Repo Prompt.
I went from dreading payments to having everything live in a weekend.
—
The speed at which Polar is executing on the financial infrastructure primitives the new world needs is very impressive.
—
Open source + great DX + responsive support always wins.
If you're selling stuff online and haven't tried Polar yet — 100% recommend doing so!
—
I've joined Polar as an advisor!
I think it benefits everyone for devs to have more options to get paid to work on their passions, to support upstreams, and for users to have more confidence/transparency in the software they're supporting/purchasing.
—
I switched to Polar a few weeks back. Best decision ever.
—
You can tell Polar is building DX first.
—
Highly recommend using Polar for billing. Easiest and quickest payment integration I’ve done in… ever actually!
Within 50 minutes of signing up had onboarded, integrated, tested in sandbox and was migrating to Production.
That’s hard to beat.
—
Cheapest Merchant of Record on the market
One flat rate covers payment processing, global tax compliance, and reliable support. No monthly fees, no setup costs.
- Global tax & VAT compliance included
- Fraud protection & chargebacks handled
- Volume discounts for high-growth teams
- No monthly or setup fees