Payment Processors

Autumn Fee Calculator

Everything about Autumn fees — what Autumn really costs on every sale.

Pay-as-you-go gateway Since 2023 San Francisco, CA
★ 5.0 · 13 reviews

What Is Autumn, and Who Is It For?

Autumn targets AI startups with usage-based and metered billing needs, an emerging niche in the payment space. While it offers Stripe-compatible APIs and flexible billing models, its lack of WordPress integration and non-MoR model make it a specialized tool rather than a general-purpose payment solution for the WordPress audience.

Best for

AI startups needing usage-based and metered billing.

Used by

AI startups Developer tooling Usage-based SaaS

Highlights

  • AI-native billing
  • Usage-based billing
  • Stripe-compatible

Autumn at a Glance

Pricing model
Pay-as-you-go gateway
Domestic fee
2.9% + $0.30
International card fee
4.4% + $0.30
Currency conversion
+1%
Monthly cost
Free — no monthly fee
Tax handling
You handle (or buy add-on)
Chargebacks
You handle, $15 dispute fee

Autumn Fee Calculator: What Does a Sale Actually Cost?

This Autumn fee calculator shows where a sale ends up — drag the slider or type your own amount to see it in real time. Prices are list rates; large merchants can negotiate.

Autumn Fee Calculator: Any Sale, Broken Down

Live scenario

US card · USD payout

You receive

$96.80

$1 Drag or type your amount $1,000+
You keep · 96.8% Autumn fee · 3.2%

Fee breakdown

Card processing 2.9% × $100
−$2.90
Fixed fee per transaction
−$0.30
Total fee
−$3.20
You receive
+$96.80

International card

+1.5%

4.4% + $0.30

$100 → $95.30

Card issued outside your country, payout in your local currency.

Currency conversion

+1%

+1%

$100 → $94.30

Stacked on international when you charge and pay out in different currencies.

Refund · chargeback

Worst case

−$18.20

$100 lost + $15 fee

Lost dispute: you forfeit the $100, the $3.20 processing fee, and a $15 dispute fee.

The fine print headline rates don't show

  • Sales tax / VAT — your responsibility, or +0.5% via Stripe Tax.
  • Chargebacks — $15 per dispute, original fee not refunded.
  • Refunds — the processing fee is not returned to the merchant.
  • Marketplaces — Stripe Connect adds 0.25% + $2 per active connected account, monthly.
What we like
  • Purpose-built for AI and LLM-based products
  • Metered billing for token-based pricing
  • Stripe-compatible API for easy migration
  • Open-source option available
  • Flexible pricing models (per-seat, usage, hybrid)
Where it falls short
  • Not a merchant of record — tax and chargebacks are your problem
  • Newest platform on this list (2023) — minimal track record
  • No WordPress, WooCommerce, or EDD integration
  • AI/ML-focused — less relevant for traditional digital products
  • Requires developer integration

How Does Autumn Work with WordPress?

No official WordPress plugin

Autumn does not have an official WordPress, WooCommerce, or EDD plugin. Integration requires custom development.

If tax + chargebacks worry you

Consider Paddle as a Merchant-of-Record Alternative

Paddle handles VAT, sales tax, and chargebacks globally — and connects to WooCommerce and Easy Digital Downloads through WP Smart Pay's official integrations.