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Payment APIs

✓ Last verified: 2026-07-15· Source: official provider pricing page· Auto-monitored — report change →

Payment API fees compared — Stripe and more — what each charges per transaction and how to get your keys.

ST

Stripe

Payments
Card payments and billing.
2.9% + $0.30No monthly fee
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PP

PayPal

Payments
Wallet + card checkout. No monthly fee, per-transaction %.
2.99% + $0.49No monthly fee
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PD

Paddle

Payments · Merchant of Record
MoR for SaaS — payments + global tax handled.
~5% + 50¢No monthly fee
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LS

Lemon Squeezy

Payments · Merchant of Record
MoR for digital products & SaaS, with license keys.
~5% + 50¢No monthly fee
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SQ

Square

Payments · In-person + online
POS + online payments from one provider. Free sandbox, cheap tap-to-pay.
2.9% + 30¢No monthly fee
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AD

Adyen

Payments · Enterprise
Interchange++ for high volume & international cards. Omnichannel, no monthly fee.
~€0.11 + interchangeNo monthly fee
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CC

Coinbase Commerce

Payments · Crypto
Accept crypto (USDC/BTC/ETH). Flat 1% fee, no monthly cost.
1% / txnNo monthly fee
View guide →
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Compare Stripe, PayPal, Paddle, Lemon Squeezy & Square — fees, effective rate & what you keep.
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