Stripe vs PayPal vs Square for Marketplace Sellers: Stacked Fee Comparison 2026

The base rates in 2026

Here's what each processor charges for online card-present transactions (goods & services):

Stripe and Square are identical on rate. PayPal is 0.09% higher on the percentage AND $0.19 higher on the fixed fee. That double gap matters most on small transactions.

Fee comparison at different order values

The fixed fee gap ($0.19) is constant, but the percentage gap (0.09%) scales with order size. On a $10 order, PayPal costs 34% more than Stripe. On $500, only 4% more.

If your average order is under $30, the processor choice matters most.

Worked example: Etsy seller going direct

You sell handmade candles on Etsy at $32 average. You're considering launching a Shopify store to sell direct.

On Etsy (all-in fees):

• Listing: $0.20
• Transaction (6.5% × $32): $2.08
• Processing (3% × $32 + $0.25): $1.21
• Total: $3.49 (10.9%)

On Shopify with Stripe:

• Shopify subscription: $39/month (allocated across sales)
• Stripe processing (2.9% × $32 + $0.30): $1.23
• Per-transaction cost: $1.23 (3.8%)

At 100 sales/month:

• Etsy total fees: $349
• Shopify + Stripe: $39 + $123 = $162
• Savings going direct: $187/month ($2,244/year)

But: on Etsy, you get built-in traffic. On Shopify, you pay for ads. If you spend $200/month on ads to drive those 100 sales, your real cost is $362 — barely cheaper than Etsy.

The processor fee is just one layer. Use the Marketplace Fee Comparison to see the full picture.

The stacked fee problem for marketplace sellers

Here's where it gets tricky. Some sellers use payment processors ON TOP of marketplace fees:

Scenario: You sell on Etsy AND take custom orders via PayPal invoice

Etsy sale ($50 item):

• Etsy fees: $0.20 + $3.25 + $1.75 = $5.20 (10.4%)

Custom order via PayPal ($50 item):

• PayPal fee: 2.99% × $50 + $0.49 = $1.99 (4.0%)

The PayPal route saves $3.21 per transaction. But you lose Etsy's buyer protection, search visibility, and review system.

Scenario: You sell on eBay AND offer direct checkout via Square

eBay sale ($75 item):

• eBay fees: 13.25% × $75 + $0.30 = $10.24 (13.7%)

Direct via Square ($75 item):

• Square fee: 2.9% × $75 + $0.30 = $2.48 (3.3%)

Direct saves $7.76 per transaction. At 30 sales/month diverted from eBay to direct, that's $233/month saved. But again: you lose eBay's traffic.

When PayPal is worth the extra cost

Despite being the most expensive option, PayPal has advantages:

1. Buyer trust. Some buyers (especially 45+) prefer PayPal and won't enter card details on an unknown site. If offering PayPal increases conversion 10%, the extra $0.28/transaction is easily justified.

2. Buyer protection disputes. PayPal's dispute resolution is buyer-friendly, which sounds bad — but it also means buyers feel safe purchasing from you. More conversions offset higher fees.

3. International sales. PayPal supports 200+ markets with built-in currency conversion. Stripe and Square have more limited international coverage.

4. No monthly fee. Like Stripe, PayPal has no monthly minimum. Square also has no monthly fee for basic service.

When Stripe is the best choice

1. Lowest cost on orders under $100. Identical to Square, cheaper than PayPal.

2. Developer tools. If you run a custom site, Stripe's API is the gold standard. Subscriptions, usage-based billing, multi-currency — all native.

3. Stripe Connect for marketplaces. If you run a multi-vendor marketplace, Stripe Connect handles split payments, onboarding, and 1099-K reporting.

4. Lower dispute fees. Stripe charges $15 per dispute (refunded if you win). PayPal charges $20 (not always refunded).

When Square is the best choice

1. In-person + online hybrid. If you sell at craft fairs AND online, Square's free card reader + 2.6% + $0.10 in-person rate beats both competitors for face-to-face sales.

2. Free POS app. Square's point-of-sale app is free with no monthly fee. Useful for pop-up shops and markets.

3. Same online rate as Stripe. 2.9% + $0.30 online. No reason to pay more unless you need Stripe's developer tools.

Worked example: 500 orders/month at $40 average

PayPal costs $1,380 more per year at this volume. That's a plane ticket, a month of Shopify Plus, or 277 units of a $5 COGS product.

How to choose: decision framework

1. Average order under $30? Stripe or Square. PayPal's fixed fee hurts most here.
2. Sell in-person too? Square (best in-person rates + free POS).
3. Need subscriptions or complex billing? Stripe (best API).
4. Buyers expect PayPal? Offer it as a secondary option. Absorb the $0.19–$0.28 extra as a conversion cost.
5. Selling on a marketplace? You don't choose the processor — Etsy/eBay handle payments. This comparison only matters for your direct sales channel.

Run your exact numbers through the Payment Processor Comparison to see monthly and annual costs at your volume.

Next steps

1. Calculate your average order value and monthly transaction count.
2. Run both through the Payment Processor Comparison for exact monthly costs.
3. If you sell on a marketplace AND direct, compare total fee stacks with the Marketplace Fee Comparison.
4. Verify your true per-order profit after all fees with the Profit Margin & Markup Calculator tool.
5. Consider offering PayPal as a secondary checkout option if 15%+ of your buyers request it.