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Categories · Online Card Payment APIs

PayPal Payments vs Square Payments

PayPal Payments and Square Payments are both Online Card Payment APIs, compared here on pricing, compliance, capabilities, and developer experience from structured, cited data - not reviews or paid placement. PayPal Payments starts lower at $0.29 transaction + percent vs $0.30 for Square Payments.

Comparedby a transparent data-readiness score computed from each API's published, sourced fields. No reviews, no paid placement. How we rank.

Data last verified 2026-06-21, with every field cited on each profile.

Head-to-head, from published, cited fields (auto-generated; no paid placement)
FieldPayPal PaymentsSquare Payments
Starting price$0.29 transaction + percent$0.30 transaction + percent
Pricing modelHybridHybrid
Free tier✗✗
Self-serve signup✓✓
SOC 2Type IIType II
HIPAA··
GDPR✓✓
Webhooks✓✓
Sandbox✓✓
Documented actions3626

Full data and citations: PayPal Payments · Square Payments. See more Online Card Payment APIs.