Providers Overview

collana pay SDK ships with 14 built-in payment button providers. Each provider wraps a third-party SDK and exposes a uniform lifecycle (CallbackHandlers).

Providers by Payment Method

Providers are grouped below by the button they render. When multiple providers offer the same payment method, you choose based on your PSP or integration strategy.

PayPal Express

The standard PayPal checkout button (yellow PayPal logo).

Provider Key	Protocol / SDK	Notes
PayPal:PayPalExpress	PayPal JS SDK (direct)	No PSP intermediary; direct or partner auth
Adyen:PayPalExpress	Adyen Drop-in	Managed via Adyen; cannot be combined with native PayPal
Braintree:PayPalExpress	Braintree JS v3	Managed via Braintree; shares SDK with Braintree:PayLater

Pay Later

The PayPal Pay Later / installment button. Only shown when the buyer is eligible.

Provider Key	Protocol / SDK	Notes
PayPal:PayLater	PayPal JS SDK (direct)	Shares SDK singleton with PayPal:PayPalExpress
Braintree:PayLater	Braintree JS v3	Must use the same tokenizationKey as Braintree:PayPalExpress

Google Pay

Provider Key	Protocol / SDK	Notes
Adyen:GooglePay	Adyen Drop-in	Gateway is Adyen
Computop:GooglePay	Google Pay JS API via Computop	Gateway is fixed to computop
Mollie:GooglePay	Google Pay JS API via Mollie	Gateway is mollie; token goes to Mollie's Payments API
Stripe:GooglePay	Stripe Express Checkout Element	Deferred-intent pattern

Apple Pay

All Apple Pay providers require HTTPS and a validated Apple Pay merchant domain. See the individual provider pages for details.

Provider Key	Protocol / SDK	Notes
Adyen:ApplePay	Adyen API-only	Session managed by Adyen
Computop:ApplePay	W3C Payment Request API via Computop	Session managed by Computop
Mollie:ApplePay	W3C Payment Request API via Mollie	Session managed by Mollie

Wallet / Other

Provider Key	Protocol / SDK	Notes
Amazon:AmazonPay	Amazon Pay Checkout v2	Renders the Amazon Pay button
Revolut:RevolutPay	Revolut Checkout Payments SDK	Renders the Revolut Pay button