Turn Usage Into Revenue

A billing platform built for AI companies

01 — IngestIngest usage & inference on behalf of your users.

02 — AggregateTransform raw signals into billable usage.

03 — ChargeGenerate invoices and collect payment automatically.

All billing primitives you need.
In a single API.

Usage BillingMeter tokens, API calls, compute, storage. Bill with precision down to the event.

SubscriptionsRecurring plans with trials, upgrades, proration, and dunning built in.

SeatsPricing that scales with your customer's teams. Add, remove, prorate automatically.

CreditsPrepay and draw down over time, like a wallet for your API.

TrialsFree or paid trials with automatic conversion, reminders, and grace periods.

DiscountsCoupons, promo codes, and volume tiers. Applied automatically at checkout.

Event-based usage billing. Checkouts that convert. Realtime metrics. Worldwide tax handled.

Polar is the financial layer for a new generation of intelligent software.

Built for the shape of AI.

From token-metered APIs to autonomous agents and GPU workloads. Polar fits how modern AI products actually charge.

AI completionsWrap any model from the Vercel AI SDK with the Polar LLMStrategy. Token usage is metered and billed automatically on every call.

1import { Ingestion } from '@polar-sh/ingestion'
2import { LLMStrategy } from '@polar-sh/ingestion/strategies/LLM'
3import { generateText } from 'ai'
4import { openai } from '@ai-sdk/openai'
5 
6const llm = Ingestion({ accessToken: process.env.POLAR_ACCESS_TOKEN })
7  .strategy(new LLMStrategy(openai('gpt-4o')))
8  .ingest('openai-usage')
9 
10const { text } = await generateText({
11  model: llm.client({ customerId: user.id }),
12  prompt,
13})

— 01

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

Guillermo Rauch

Vercel

— 02

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.

Mitchell Hashimoto

Ghostty

— 03

I switched to Polar a few weeks back. Best decision ever.

Lee Black

1042 Studio