#3 in Finance & AccountingUpdated 2026-08

Polar

by Polar · Merchant-of-record billing for usage-based and subscription software

70.4 — BenchRank score out of 100

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Overview

Polar is a merchant of record and billing platform for software vendors. It ingests usage events, aggregates them into billable units and generates charges, covering subscriptions, seats, credits, trials and discounts. It also handles tax collection and remittance, payment processing, refunds, chargebacks, fraud checks and payouts, and reports revenue, cost and margin per customer.

Best for: Developers billing AI or SaaS products by usage who want a merchant of record to handle tax
Pricing: Free Starter plan at 5.00% + 50¢ per transaction, then $20, $100 or $400 per month with per-transaction fees falling to 3.40% + 30¢.
Runs on: iOSAndroidSelf-hosted

Strengths and trade-offs

Strengths

Acts as merchant of record: tax collection and remittance included
Usage, subscriptions, seats, credits, trials and discounts in one
Breaks down LLM cost and gross margin per customer
Ingestion SDK meters token usage from Vercel AI SDK models

Trade-offs

A percentage transaction fee applies on top of any monthly plan fee
Single sign-on only on the $400/month Scale plan
Lowest 3.40% rate needs $400/month or acceptance to the Startup Program
Pages show no detail on supported countries, payouts or payment methods

Pricing

Published plans from Polar’s own pricing page, in USD. Usage charges and add-ons may apply on top.

Polar pricing tiers, monthly rates in USD
Plan	Monthly	Includes
Starter	Freeper month	Free to start 5.00% + 50¢ per transaction All features to sell Standard support
Pro	$20per month	3.80% + 40¢ per transaction All features on Starter Preview access to new features Prioritized support
Growth	$100per month	3.60% + 35¢ per transaction All features on Pro Preview access to new features Prioritized support
Scale	$400per month	3.40% + 30¢ per transaction All features on Growth Shared Slack channel and P1 support Single Sign-On
Startup Program	—per month	Free for 12 months 3.40% + 30¢ per transaction Everything on Scale By application

How this score is made up

Each dimension is scored out of 100 and combined into the headline score using fixed weights.

MCP support: 60 out of 100
API quality: 80 out of 100
Documentation: 90 out of 100
Agent friendliness: 82 out of 100
Pricing transparency: 100 out of 100
Changelog: 0 out of 100
Marketing site structure: 65 out of 100
Operational trust: 55 out of 100

Measured, but not part of the score

Useful to know, but not a mark for or against the product — so these do not affect the ranking.

Openness: 85 out of 100
Maintenance: 100 out of 100

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