> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://developers.cash.app/cash-app-pay-partner-api/guides/technical-guides/integrating-with-cash-app-pay/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.cash.app/_mcp/server. # Integrating with Cash App Pay ## Docs - [API Integration Quickstart](https://developers.cash.app/cash-app-pay-partner-api/guides/technical-guides/integrating-with-cash-app-pay/api-integration-quickstart.md) - [Comparing Mobile/Web Environments](https://developers.cash.app/cash-app-pay-partner-api/guides/technical-guides/integrating-with-cash-app-pay/comparing-mobile-web-environments.md) - [Brands and Merchants](https://developers.cash.app/cash-app-pay-partner-api/guides/technical-guides/integrating-with-cash-app-pay/brands-and-merchants.md) - [Security Requirements](https://developers.cash.app/cash-app-pay-partner-api/guides/technical-guides/integrating-with-cash-app-pay/security-requirements.md) - [Optimizing Performance with Request Chaining](https://developers.cash.app/cash-app-pay-partner-api/guides/technical-guides/integrating-with-cash-app-pay/optimizing-performance-with-request-chaining.md)