Developers
Our SDK and API integrations open up our leading payments and point-of-sale technologies, to help you bring your brilliant ideas to life.
POS API integrations
Our APIs make it possible to build seamless apps and integrations for our POS app Zettle Go.
Payment SDK integrations
Take payments and issue refunds from within your own app – this easy to integrate and simple to use SDK allows you to accept contactless, card and PayPal QR code payments.
Inventory API
Use our Inventory API to improve and enhance your inventory management system. Update stock and access information about your restock history.
View documentationFinance API
Access information about Zettle transactions such as card payments, card fees and payouts, and connect it to your accounting system.
View documentationProduct library API
Create a visual product library to organise your stock in an attractive way, help ring up sales intuitively and easily apply discounts.
View documentationPurchase API
Use the purchase API to fetch useful POS sales data such as price, VAT and payment method, and sync it with your own system.
View documentationZettle SDK for iOS
Our payment SDK enables you to effortlessly accept card payments using a Zettle Reader and your iOS App.
View documentationZettle SDK for Android
Our payment SDK enables you to effortlessly accept card payments using a Zettle Reader and your Android App.
View documentationOAuth API
Use the OAuth API to securely handle authorisation requests from app users and issue access tokens.
View documentationDidn't find what you were looking for?
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