Finix provides iOS SDKs for accepting payments across different use cases. Select an SDK below to get started.
Accept card and bank payments in your iOS app using a pre-built payment sheet.
Overview
Installation, requirements, and quick start.
PaymentAction
Initialize and present the payment sheet.
Card Scanner
Enable camera-based card scanning.
Form Styles
Choose the payment form layout.
Configuration
Customize branding and appearance.
TokenizedResponse
Handle the tokenization response.
Accept in-person contactless payments on iPhone with no extra hardware.
Overview
How the SDK works, requirements, and quick start.
Integration Guide
Step-by-step guide to integrating the SDK into your own app.
Device Setup
Create and activate an iPhone Device in Finix.
Installation & Initialization
Add the SDK and initialize the entry point.
Account Linking
Link the merchant's Apple Account.
Transactions
Prepare the reader and process contactless payments.
Accept in-person card payments using the PAX D135.
Overview
Quick start and system requirements.
Device Setup
Create and activate a PAX D135 device in Finix.
Installation & Initialization
Add the SDK and connect to a device.
Transactions
Process card-present payments and refunds.
Troubleshooting
Bluetooth tips and LED status reference.
Device Store
Order PAX D135 devices.