Payments APIs

Popular first highlights editorial picks, then ranks providers by monthly downloads of their official SDKs on npm and PyPI (measured 2026-10-18). Others follow A–Z.

PayU

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Payveris

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PCI DSS

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PCI Level 1

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Pelican

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Pie People

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PingPong

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Pinwheel Pay

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Plastiq

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Pocopay

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Powens

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PPRO

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PPS

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Prepaid Financial Services

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Privacy.com

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ProcessOut

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PT Payfazz Teknologi Nusantara

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Rabo OmniKassa

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RadarPayments

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Rapyd

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Ratepay

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Ravelin

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Redsys

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Riskified

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RS2 Software

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Safepay

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Sage Pay

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SaltPay

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Samsung Electronics

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Samsung Pay

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SecurionPay

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Sentenial

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SEPA Incasso

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Seven

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Shieldpay

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Shift4 Payments

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Shuttle

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SIA S.p.A.

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SIBS

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Simplify Commerce

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SIX

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Skrill

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SlimPay

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SocialPay

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SOFORT

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Split Payments

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Splitpay

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SpotOn

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Counts reflect unique named profiles assigned to this category. Documentation and integration details vary by provider.