Turn Usage
Into Revenue
A billing platform for the intelligence era
Subscriptions, usage, seats, credits, trials, and discounts. Compose them however your product charges.
Revenue, costs & margins in one overview. The unit economics every AI startup needs to scale with confidence.

Polar breaks down LLM spend customer by customer, so you catch the ones bleeding your margins before they bleed your runway.
Customer
Revenue
LLM cost
Gross margin
Jane Doe
Enterprise · 4.1M tokens
$4,200
$294
+93%
John Doe
Growth · 3.3M tokens
$1,800
$234
+87%
Emily Carter
Growth · 2.6M tokens
$920
$184
+80%
Michael Chen
Hobby · 5.5M tokens
$480
$389
+19%
Sarah Müller
Hobby · 8.7M tokens
$90
$612
-580%
From token-metered APIs to autonomous agents and GPU workloads. Polar fits how modern AI products actually charge.
Wrap any model from the Vercel AI SDK with the Polar LLMStrategy. Token usage is metered and billed automatically on every call.
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 llm = Ingestion({ accessToken: process.env.POLAR_ACCESS_TOKEN })
.strategy(new LLMStrategy(openai('gpt-4o')))
.ingest('openai-usage')
const { text } = await generateText({
model: llm.client({ customerId: user.id }),
prompt,
})Customer invoiced automatically
Usage rolls straight into invoices and charges, with no manual billing runs.
Learn more
LLM Usage Breakdown
Margins, Profits & Cashflow Metrics
Cost Anomalies & Insights
Tax Collection & Remittance
Payment Processing
Refunds & Chargebacks
Risk Analysis & Fraud

John Doe
Consumed 23,820 tokens
Polar
Customer invoiced automatically
LLM Usage Breakdown
Margins, Profits & Cashflow Metrics
Cost Anomalies & Insights
Tax Collection & Remittance
Payment Processing
Refunds & Chargebacks
Risk Analysis & Fraud
Merchant Payout
Acme Inc
$9,311
SEB **** 9128
Event-based usage billing. Checkouts that convert. Realtime metrics. Worldwide tax handled.
Polar is the financial layer for a new generation of intelligent software.
From AI startups to infrastructure veterans, the teams building the future ship production billing on Polar in days, not weeks.
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.

The speed at which Polar is executing on the financial infrastructure primitives the new world needs is very impressive.

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.

We switched to @polar_sh because of their killer API, UX, and product. Also love that it's Open-Source. Their team cares A LOT as well. Worth the minor fee difference.

You can tell @polar_sh is building DX first
Free to start validating ideas.
Fees
5.00% + 50¢ per transaction
Features
All features to sell
Standard Support
For builders & early teams.
Fees
3.80% + 40¢ per transaction
Features
All features on Starter
Prioritized Support
For scaling startups.
Fees
3.60% + 35¢ per transaction
Features
All features on Pro
Prioritized Support
For fast growing businesses.
Fees
3.40% + 30¢ per transaction
Features
All features on Growth
Slack Channel
P1 Support