Zettle
Zettle by PayPal is a cloud-based point-of-sale platform (formerly iZettle) that provides REST APIs for managing product inventory, processing card payments, tracking purchases, handling refunds, and accessing merchant financial and account data.
APIs
Zettle OAuth API
OAuth 2.0 authentication and authorisation for Zettle APIs. Supports authorisation code grant with PKCE for mobile and partner-hosted apps.
Zettle Finance API
Access merchant financial data including payouts, account balances, and transaction fee summaries.
Zettle Purchase API
Retrieve purchase transaction history, individual purchase records, and refund data for a merchant account.
Zettle Product Library API
Manage the merchant product catalogue including products, variants, prices, and categories.
Zettle Inventory API
Track stock levels and inventory movements across merchant locations. Default rate limit is 4 requests per second.
Zettle Image API
Upload and manage product images used in the Zettle product library and POS display.
Zettle Giftcard API
Issue, redeem, and manage gift cards for Zettle merchants.