# RabbitPay Documentation > Developer documentation for RabbitPay — the 1-Click Checkout platform for Shopify merchants. ## Docs - [api-reference](https://docs.rabbitpay.ai/api/api-reference.md) - [Authentication](https://docs.rabbitpay.ai/api/authentication.md): How to authenticate requests to the RabbitPay REST API. - [Webhooks](https://docs.rabbitpay.ai/api/webhooks.md): Subscribe to real-time RabbitPay events — orders, payments, refunds, and more. - [Installation](https://docs.rabbitpay.ai/getting-started/installation.md): Install RabbitPay on Shopify or wire it into a headless storefront. - [Introduction](https://docs.rabbitpay.ai/getting-started/introduction.md): Meet RabbitPay — the 1-Click Checkout platform built for Shopify merchants. - [Quick Start](https://docs.rabbitpay.ai/getting-started/quick-start.md): Go from zero to your first RabbitPay test order in under 10 minutes. - [COD Management](https://docs.rabbitpay.ai/integrations/cod-management.md): Reduce RTO with OTP verification, risk scoring, and COD rules. - [Partial Payments](https://docs.rabbitpay.ai/integrations/partial-payments.md): Let shoppers pay part of the order upfront and the rest on delivery. - [shopify-integration](https://docs.rabbitpay.ai/integrations/shopify-integration.md) - [Checkout Flow](https://docs.rabbitpay.ai/product/checkout-flow.md): Anatomy of the RabbitPay 1-Click Checkout experience. - [Order Management](https://docs.rabbitpay.ai/product/order-management.md): Manage orders, fulfillment status, refunds, and cancellations. - [Changelog](https://docs.rabbitpay.ai/support/changelog.md): Product and API release notes for RabbitPay. - [contact-us](https://docs.rabbitpay.ai/support/contact-us.md) - [FAQs](https://docs.rabbitpay.ai/support/faqs.md): Answers to the most common questions about RabbitPay.